use okttp builder instead of instance in retrofit2

Fix #3188

modules/swagger-codegen/src/main/resources/Java/libraries/retrofit2/ApiClient.mustache

@@ -48,7 +48,7 @@ import {{invokerPackage}}.auth.OAuthFlow;
 public class ApiClient {
 
     private Map<String, Interceptor> apiAuthorizations;
-    private OkHttpClient okClient;
+    private OkHttpClient.Builder okBuilder;
     private Retrofit.Builder adapterBuilder;
 
     public ApiClient() {
@@ -118,7 +118,7 @@ public class ApiClient {
                 .setPassword(password);
     }
 
-   public void createDefaultAdapter() {
+    public void createDefaultAdapter() {
         Gson gson = new GsonBuilder()
                 .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ")
                 {{^java8}}
@@ -130,7 +130,7 @@ public class ApiClient {
                 .registerTypeAdapter(LocalDate.class, new LocalDateTypeAdapter())
                 .create();
 
-        okClient = new OkHttpClient();
+        okBuilder = new OkHttpClient.Builder();
 
         String baseUrl = "{{{basePath}}}";
         if(!baseUrl.endsWith("/"))
@@ -139,14 +139,16 @@ public class ApiClient {
         adapterBuilder = new Retrofit
                 .Builder()
                 .baseUrl(baseUrl)
-                .client(okClient)
                 {{#useRxJava}}.addCallAdapterFactory(RxJavaCallAdapterFactory.create()){{/useRxJava}}
                 .addConverterFactory(ScalarsConverterFactory.create())
                 .addConverterFactory(GsonCustomConverterFactory.create(gson));
     }
 
     public <S> S createService(Class<S> serviceClass) {
-        return adapterBuilder.build().create(serviceClass);
+        return adapterBuilder
+            .client(okBuilder.build())
+            .build()
+            .create(serviceClass);
 
     }
 
@@ -272,7 +274,7 @@ public class ApiClient {
             throw new RuntimeException("auth name \"" + authName + "\" already in api authorizations");
         }
         apiAuthorizations.put(authName, authorization);
-        okClient.interceptors().add(authorization);
+        okBuilder.addInterceptor(authorization);
     }
 
     public Map<String, Interceptor> getApiAuthorizations() {
@@ -291,24 +293,24 @@ public class ApiClient {
         this.adapterBuilder = adapterBuilder;
     }
 
-    public OkHttpClient getOkClient() {
-        return okClient;
+    public OkHttpClient.Builder getOkBuilder() {
+        return okBuilder;
     }
 
-    public void addAuthsToOkClient(OkHttpClient okClient) {
+    public void addAuthsToOkBuilder(OkHttpClient.Builder okBuilder) {
         for(Interceptor apiAuthorization : apiAuthorizations.values()) {
-            okClient.interceptors().add(apiAuthorization);
+            okBuilder.addInterceptor(apiAuthorization);
         }
     }
 
     /**
-     * Clones the okClient given in parameter, adds the auth interceptors and uses it to configure the Retrofit
+     * Clones the okBuilder given in parameter, adds the auth interceptors and uses it to configure the Retrofit
      * @param okClient
      */
     public void configureFromOkclient(OkHttpClient okClient) {
-        OkHttpClient clone = okClient.newBuilder().build();
-        addAuthsToOkClient(clone);
-        adapterBuilder.client(clone);
+        this.okBuilder = okClient.newBuilder();
+        addAuthsToOkBuilder(this.okBuilder);
+
     }
 }
 

modules/swagger-codegen/src/main/resources/Java/libraries/retrofit2/README.mustache

@@ -32,10 +32,6 @@ After the client library is installed/deployed, you can use it in your Maven pro
 
 ```
 
-## Recommendation
-
-It's recommended to create an instance of `ApiClient` per thread in a multithreaded environment to avoid any potential issue.
-
 ## Author
 
 {{#apiInfo}}{{#apis}}{{^hasMore}}{{infoEmail}}

modules/swagger-codegen/src/main/resources/Java/libraries/retrofit2/pom.mustache

@@ -155,16 +155,15 @@
     <java.version>{{#java8}}1.8{{/java8}}{{^java8}}1.7{{/java8}}</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
-    <swagger-core-version>1.5.8</swagger-core-version>
-    <retrofit-version>2.0.2</retrofit-version>
+    <swagger-core-version>1.5.9</swagger-core-version>
+    <retrofit-version>2.1.0</retrofit-version>
     {{#useRxJava}}
-    <rxjava-version>1.1.3</rxjava-version>
+    <rxjava-version>1.1.6</rxjava-version>
     {{/useRxJava}}
     {{^java8}}
-    <jodatime-version>2.9.3</jodatime-version>
+    <jodatime-version>2.9.4</jodatime-version>
     {{/java8}}
     <oltu-version>1.0.1</oltu-version>
-    <maven-plugin-version>1.0.0</maven-plugin-version>
     <junit-version>4.12</junit-version>
   </properties>
 </project>

samples/client/petstore/java/retrofit2/.travis.yml

@@ -0,0 +1,29 @@
+#
+# Generated by: https://github.com/swagger-api/swagger-codegen.git
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+language: java
+jdk:
+  - oraclejdk8
+  - oraclejdk7
+before_install:
+  # ensure gradlew has proper permission
+  - chmod a+x ./gradlew
+script:
+  # test using maven
+  - mvn test
+  # uncomment below to test using gradle
+  # - gradle test
+  # uncomment below to test using sbt 
+  # - sbt test

samples/client/petstore/java/retrofit2/docs/ArrayOfArrayOfNumberOnly.md

@@ -0,0 +1,10 @@
+
+# ArrayOfArrayOfNumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**arrayArrayNumber** | [**List<List<BigDecimal>>**](List.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2/docs/ArrayOfNumberOnly.md

@@ -0,0 +1,10 @@
+
+# ArrayOfNumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**arrayNumber** | [**List<BigDecimal>**](BigDecimal.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2/docs/ArrayTest.md

@@ -7,6 +7,13 @@ Name | Type | Description | Notes
 **arrayOfString** | **List<String>** |  |  [optional]
 **arrayArrayOfInteger** | [**List<List<Long>>**](List.md) |  |  [optional]
 **arrayArrayOfModel** | [**List<List<ReadOnlyFirst>>**](List.md) |  |  [optional]
+**arrayOfEnum** | [**List<ArrayOfEnumEnum>**](#List<ArrayOfEnumEnum>) |  |  [optional]
+
+
+<a name="List<ArrayOfEnumEnum>"></a>
+## Enum: List&lt;ArrayOfEnumEnum&gt;
+Name | Value
+---- | -----
 
 
 

samples/client/petstore/java/retrofit2/docs/FakeApi.md

@@ -4,9 +4,54 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**testCodeInjectEnd**](FakeApi.md#testCodeInjectEnd) | **PUT** fake | To test code injection  =end
 [**testEndpointParameters**](FakeApi.md#testEndpointParameters) | **POST** fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+[**testEnumQueryParameters**](FakeApi.md#testEnumQueryParameters) | **GET** fake | To test enum query parameters
 
 
+<a name="testCodeInjectEnd"></a>
+# **testCodeInjectEnd**
+> Void testCodeInjectEnd(testCodeInjectEnd)
+
+To test code injection  &#x3D;end
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeApi;
+
+
+FakeApi apiInstance = new FakeApi();
+String testCodeInjectEnd = "testCodeInjectEnd_example"; // String | To test code injection  =end
+try {
+    Void result = apiInstance.testCodeInjectEnd(testCodeInjectEnd);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeApi#testCodeInjectEnd");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **testCodeInjectEnd** | **String**| To test code injection  &#x3D;end | [optional]
+
+### Return type
+
+[**Void**](.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json, */ =end'));(phpinfo('
+ - **Accept**: application/json, */ end
+
 <a name="testEndpointParameters"></a>
 # **testEndpointParameters**
 > Void testEndpointParameters(number, _double, string, _byte, integer, int32, int64, _float, binary, date, dateTime, password)
@@ -74,3 +119,50 @@ No authorization required
  - **Content-Type**: application/xml; charset=utf-8, application/json; charset=utf-8
  - **Accept**: application/xml; charset=utf-8, application/json; charset=utf-8
 
+<a name="testEnumQueryParameters"></a>
+# **testEnumQueryParameters**
+> Void testEnumQueryParameters(enumQueryString, enumQueryInteger, enumQueryDouble)
+
+To test enum query parameters
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeApi;
+
+
+FakeApi apiInstance = new FakeApi();
+String enumQueryString = "-efg"; // String | Query parameter enum test (string)
+BigDecimal enumQueryInteger = new BigDecimal(); // BigDecimal | Query parameter enum test (double)
+Double enumQueryDouble = 3.4D; // Double | Query parameter enum test (double)
+try {
+    Void result = apiInstance.testEnumQueryParameters(enumQueryString, enumQueryInteger, enumQueryDouble);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeApi#testEnumQueryParameters");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to -efg] [enum: _abc, -efg, (xyz)]
+ **enumQueryInteger** | **BigDecimal**| Query parameter enum test (double) | [optional]
+ **enumQueryDouble** | **Double**| Query parameter enum test (double) | [optional]
+
+### Return type
+
+[**Void**](.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+

samples/client/petstore/java/retrofit2/docs/HasOnlyReadOnly.md

@@ -0,0 +1,11 @@
+
+# HasOnlyReadOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**bar** | **String** |  |  [optional]
+**foo** | **String** |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2/docs/MapTest.md

@@ -0,0 +1,17 @@
+
+# MapTest
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**mapMapOfString** | [**Map<String, Map<String, String>>**](Map.md) |  |  [optional]
+**mapOfEnumString** | [**Map<String, InnerEnum>**](#Map<String, InnerEnum>) |  |  [optional]
+
+
+<a name="Map<String, InnerEnum>"></a>
+## Enum: Map&lt;String, InnerEnum&gt;
+Name | Value
+---- | -----
+
+
+

samples/client/petstore/java/retrofit2/docs/NumberOnly.md

@@ -0,0 +1,10 @@
+
+# NumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**justNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2/pom.xml

@@ -141,11 +141,10 @@
     <java.version>1.7</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
-    <swagger-core-version>1.5.8</swagger-core-version>
-    <retrofit-version>2.0.2</retrofit-version>
-    <jodatime-version>2.9.3</jodatime-version>
+    <swagger-core-version>1.5.9</swagger-core-version>
+    <retrofit-version>2.1.0</retrofit-version>
+    <jodatime-version>2.9.4</jodatime-version>
     <oltu-version>1.0.1</oltu-version>
-    <maven-plugin-version>1.0.0</maven-plugin-version>
     <junit-version>4.12</junit-version>
   </properties>
 </project>

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/ApiClient.java

@@ -41,7 +41,7 @@ import io.swagger.client.auth.OAuthFlow;
 public class ApiClient {
 
     private Map<String, Interceptor> apiAuthorizations;
-    private OkHttpClient okClient;
+    private OkHttpClient.Builder okBuilder;
     private Retrofit.Builder adapterBuilder;
 
     public ApiClient() {
@@ -110,14 +110,14 @@ public class ApiClient {
                 .setPassword(password);
     }
 
-   public void createDefaultAdapter() {
+    public void createDefaultAdapter() {
         Gson gson = new GsonBuilder()
                 .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ")
                 .registerTypeAdapter(DateTime.class, new DateTimeTypeAdapter())
                 .registerTypeAdapter(LocalDate.class, new LocalDateTypeAdapter())
                 .create();
 
-        okClient = new OkHttpClient();
+        okBuilder = new OkHttpClient.Builder();
 
         String baseUrl = "http://petstore.swagger.io/v2";
         if(!baseUrl.endsWith("/"))
@@ -126,14 +126,16 @@ public class ApiClient {
         adapterBuilder = new Retrofit
                 .Builder()
                 .baseUrl(baseUrl)
-                .client(okClient)
                 
                 .addConverterFactory(ScalarsConverterFactory.create())
                 .addConverterFactory(GsonCustomConverterFactory.create(gson));
     }
 
     public <S> S createService(Class<S> serviceClass) {
-        return adapterBuilder.build().create(serviceClass);
+        return adapterBuilder
+            .client(okBuilder.build())
+            .build()
+            .create(serviceClass);
 
     }
 
@@ -259,7 +261,7 @@ public class ApiClient {
             throw new RuntimeException("auth name \"" + authName + "\" already in api authorizations");
         }
         apiAuthorizations.put(authName, authorization);
-        okClient.interceptors().add(authorization);
+        okBuilder.addInterceptor(authorization);
     }
 
     public Map<String, Interceptor> getApiAuthorizations() {
@@ -278,24 +280,24 @@ public class ApiClient {
         this.adapterBuilder = adapterBuilder;
     }
 
-    public OkHttpClient getOkClient() {
-        return okClient;
+    public OkHttpClient.Builder getOkBuilder() {
+        return okBuilder;
     }
 
-    public void addAuthsToOkClient(OkHttpClient okClient) {
+    public void addAuthsToOkBuilder(OkHttpClient.Builder okBuilder) {
         for(Interceptor apiAuthorization : apiAuthorizations.values()) {
-            okClient.interceptors().add(apiAuthorization);
+            okBuilder.addInterceptor(apiAuthorization);
         }
     }
 
     /**
-     * Clones the okClient given in parameter, adds the auth interceptors and uses it to configure the Retrofit
+     * Clones the okBuilder given in parameter, adds the auth interceptors and uses it to configure the Retrofit
      * @param okClient
      */
     public void configureFromOkclient(OkHttpClient okClient) {
-        OkHttpClient clone = okClient.newBuilder().build();
-        addAuthsToOkClient(clone);
-        adapterBuilder.client(clone);
+        this.okBuilder = okClient.newBuilder();
+        addAuthsToOkBuilder(this.okBuilder);
+
     }
 }
 

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/StringUtil.java

@@ -1,6 +1,6 @@
 /**
  * Swagger Petstore
- * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\ 
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
  *
  * OpenAPI spec version: 1.0.0
  * Contact: apiteam@swagger.io

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/api/FakeApi.java

@@ -18,6 +18,19 @@ import java.util.List;
 import java.util.Map;
 
 public interface FakeApi {
+  /**
+   * To test code injection  =end
+   * 
+   * @param testCodeInjectEnd To test code injection  =end (optional)
+   * @return Call<Void>
+   */
+  
+  @FormUrlEncoded
+  @PUT("fake")
+  Call<Void> testCodeInjectEnd(
+    @Field("test code inject */ &#x3D;end") String testCodeInjectEnd
+  );
+
   /**
    * Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
    * Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
@@ -42,4 +55,19 @@ public interface FakeApi {
     @Field("number") BigDecimal number, @Field("double") Double _double, @Field("string") String string, @Field("byte") byte[] _byte, @Field("integer") Integer integer, @Field("int32") Integer int32, @Field("int64") Long int64, @Field("float") Float _float, @Field("binary") byte[] binary, @Field("date") LocalDate date, @Field("dateTime") DateTime dateTime, @Field("password") String password
   );
 
+  /**
+   * To test enum query parameters
+   * 
+   * @param enumQueryString Query parameter enum test (string) (optional, default to -efg)
+   * @param enumQueryInteger Query parameter enum test (double) (optional)
+   * @param enumQueryDouble Query parameter enum test (double) (optional)
+   * @return Call<Void>
+   */
+  
+  @FormUrlEncoded
+  @GET("fake")
+  Call<Void> testEnumQueryParameters(
+    @Field("enum_query_string") String enumQueryString, @Query("enum_query_integer") BigDecimal enumQueryInteger, @Field("enum_query_double") Double enumQueryDouble
+  );
+
 }

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/auth/OAuthFlow.java

@@ -1,6 +1,6 @@
 /**
  * Swagger Petstore
- * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\ 
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
  *
  * OpenAPI spec version: 1.0.0
  * Contact: apiteam@swagger.io

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/AdditionalPropertiesClass.java

@@ -1,49 +1,89 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * AdditionalPropertiesClass
+ */
 
 public class AdditionalPropertiesClass   {
-  
   @SerializedName("map_property")
   private Map<String, String> mapProperty = new HashMap<String, String>();
 
   @SerializedName("map_of_map_property")
   private Map<String, Map<String, String>> mapOfMapProperty = new HashMap<String, Map<String, String>>();
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public AdditionalPropertiesClass mapProperty(Map<String, String> mapProperty) {
+    this.mapProperty = mapProperty;
+    return this;
+  }
+
+   /**
+   * Get mapProperty
+   * @return mapProperty
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, String> getMapProperty() {
     return mapProperty;
   }
+
   public void setMapProperty(Map<String, String> mapProperty) {
     this.mapProperty = mapProperty;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public AdditionalPropertiesClass mapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
+    this.mapOfMapProperty = mapOfMapProperty;
+    return this;
+  }
+
+   /**
+   * Get mapOfMapProperty
+   * @return mapOfMapProperty
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, Map<String, String>> getMapOfMapProperty() {
     return mapOfMapProperty;
   }
+
   public void setMapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
     this.mapOfMapProperty = mapOfMapProperty;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -51,8 +91,8 @@ public class AdditionalPropertiesClass   {
       return false;
     }
     AdditionalPropertiesClass additionalPropertiesClass = (AdditionalPropertiesClass) o;
-    return Objects.equals(mapProperty, additionalPropertiesClass.mapProperty) &&
-        Objects.equals(mapOfMapProperty, additionalPropertiesClass.mapOfMapProperty);
+    return Objects.equals(this.mapProperty, additionalPropertiesClass.mapProperty) &&
+        Objects.equals(this.mapOfMapProperty, additionalPropertiesClass.mapOfMapProperty);
   }
 
   @Override
@@ -75,10 +115,11 @@ public class AdditionalPropertiesClass   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Animal.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Animal
+ */
 
 public class Animal   {
-  
   @SerializedName("className")
   private String className = null;
 
   @SerializedName("color")
   private String color = "red";
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Animal className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Animal color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Animal   {
       return false;
     }
     Animal animal = (Animal) o;
-    return Objects.equals(className, animal.className) &&
-        Objects.equals(color, animal.color);
+    return Objects.equals(this.className, animal.className) &&
+        Objects.equals(this.color, animal.color);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Animal   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/AnimalFarm.java

@@ -1,3 +1,28 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
@@ -5,30 +30,27 @@ import io.swagger.client.model.Animal;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * AnimalFarm
+ */
 
 public class AnimalFarm extends ArrayList<Animal>  {
-  
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
     if (o == null || getClass() != o.getClass()) {
       return false;
     }
-    AnimalFarm animalFarm = (AnimalFarm) o;
     return true;
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash();
+    return Objects.hash(super.hashCode());
   }
 
   @Override
@@ -44,10 +66,11 @@ public class AnimalFarm extends ArrayList<Animal>  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ArrayOfArrayOfNumberOnly.java

@@ -0,0 +1,102 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * ArrayOfArrayOfNumberOnly
+ */
+
+public class ArrayOfArrayOfNumberOnly   {
+  @SerializedName("ArrayArrayNumber")
+  private List<List<BigDecimal>> arrayArrayNumber = new ArrayList<List<BigDecimal>>();
+
+  public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
+    this.arrayArrayNumber = arrayArrayNumber;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayNumber
+   * @return arrayArrayNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<List<BigDecimal>> getArrayArrayNumber() {
+    return arrayArrayNumber;
+  }
+
+  public void setArrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
+    this.arrayArrayNumber = arrayArrayNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly = (ArrayOfArrayOfNumberOnly) o;
+    return Objects.equals(this.arrayArrayNumber, arrayOfArrayOfNumberOnly.arrayArrayNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(arrayArrayNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class ArrayOfArrayOfNumberOnly {\n");
+    
+    sb.append("    arrayArrayNumber: ").append(toIndentedString(arrayArrayNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ArrayOfNumberOnly.java

@@ -0,0 +1,102 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * ArrayOfNumberOnly
+ */
+
+public class ArrayOfNumberOnly   {
+  @SerializedName("ArrayNumber")
+  private List<BigDecimal> arrayNumber = new ArrayList<BigDecimal>();
+
+  public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {
+    this.arrayNumber = arrayNumber;
+    return this;
+  }
+
+   /**
+   * Get arrayNumber
+   * @return arrayNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<BigDecimal> getArrayNumber() {
+    return arrayNumber;
+  }
+
+  public void setArrayNumber(List<BigDecimal> arrayNumber) {
+    this.arrayNumber = arrayNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    ArrayOfNumberOnly arrayOfNumberOnly = (ArrayOfNumberOnly) o;
+    return Objects.equals(this.arrayNumber, arrayOfNumberOnly.arrayNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(arrayNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class ArrayOfNumberOnly {\n");
+    
+    sb.append("    arrayNumber: ").append(toIndentedString(arrayNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ArrayTest.java

@@ -1,19 +1,44 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import io.swagger.client.model.ReadOnlyFirst;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ArrayTest
+ */
 
 public class ArrayTest   {
-  
   @SerializedName("array_of_string")
   private List<String> arrayOfString = new ArrayList<String>();
 
@@ -24,38 +49,105 @@ public class ArrayTest   {
   private List<List<ReadOnlyFirst>> arrayArrayOfModel = new ArrayList<List<ReadOnlyFirst>>();
 
   /**
-   **/
-  @ApiModelProperty(value = "")
+   * Gets or Sets arrayOfEnum
+   */
+  public enum ArrayOfEnumEnum {
+    @SerializedName("UPPER")
+    UPPER("UPPER"),
+    
+    @SerializedName("lower")
+    LOWER("lower");
+
+    private String value;
+
+    ArrayOfEnumEnum(String value) {
+      this.value = value;
+    }
+
+    @Override
+    public String toString() {
+      return String.valueOf(value);
+    }
+  }
+
+  @SerializedName("array_of_enum")
+  private List<ArrayOfEnumEnum> arrayOfEnum = new ArrayList<ArrayOfEnumEnum>();
+
+  public ArrayTest arrayOfString(List<String> arrayOfString) {
+    this.arrayOfString = arrayOfString;
+    return this;
+  }
+
+   /**
+   * Get arrayOfString
+   * @return arrayOfString
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<String> getArrayOfString() {
     return arrayOfString;
   }
+
   public void setArrayOfString(List<String> arrayOfString) {
     this.arrayOfString = arrayOfString;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ArrayTest arrayArrayOfInteger(List<List<Long>> arrayArrayOfInteger) {
+    this.arrayArrayOfInteger = arrayArrayOfInteger;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayOfInteger
+   * @return arrayArrayOfInteger
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<List<Long>> getArrayArrayOfInteger() {
     return arrayArrayOfInteger;
   }
+
   public void setArrayArrayOfInteger(List<List<Long>> arrayArrayOfInteger) {
     this.arrayArrayOfInteger = arrayArrayOfInteger;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ArrayTest arrayArrayOfModel(List<List<ReadOnlyFirst>> arrayArrayOfModel) {
+    this.arrayArrayOfModel = arrayArrayOfModel;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayOfModel
+   * @return arrayArrayOfModel
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<List<ReadOnlyFirst>> getArrayArrayOfModel() {
     return arrayArrayOfModel;
   }
+
   public void setArrayArrayOfModel(List<List<ReadOnlyFirst>> arrayArrayOfModel) {
     this.arrayArrayOfModel = arrayArrayOfModel;
   }
 
+  public ArrayTest arrayOfEnum(List<ArrayOfEnumEnum> arrayOfEnum) {
+    this.arrayOfEnum = arrayOfEnum;
+    return this;
+  }
+
+   /**
+   * Get arrayOfEnum
+   * @return arrayOfEnum
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<ArrayOfEnumEnum> getArrayOfEnum() {
+    return arrayOfEnum;
+  }
+
+  public void setArrayOfEnum(List<ArrayOfEnumEnum> arrayOfEnum) {
+    this.arrayOfEnum = arrayOfEnum;
+  }
+
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -63,14 +155,15 @@ public class ArrayTest   {
       return false;
     }
     ArrayTest arrayTest = (ArrayTest) o;
-    return Objects.equals(arrayOfString, arrayTest.arrayOfString) &&
-        Objects.equals(arrayArrayOfInteger, arrayTest.arrayArrayOfInteger) &&
-        Objects.equals(arrayArrayOfModel, arrayTest.arrayArrayOfModel);
+    return Objects.equals(this.arrayOfString, arrayTest.arrayOfString) &&
+        Objects.equals(this.arrayArrayOfInteger, arrayTest.arrayArrayOfInteger) &&
+        Objects.equals(this.arrayArrayOfModel, arrayTest.arrayArrayOfModel) &&
+        Objects.equals(this.arrayOfEnum, arrayTest.arrayOfEnum);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(arrayOfString, arrayArrayOfInteger, arrayArrayOfModel);
+    return Objects.hash(arrayOfString, arrayArrayOfInteger, arrayArrayOfModel, arrayOfEnum);
   }
 
   @Override
@@ -81,6 +174,7 @@ public class ArrayTest   {
     sb.append("    arrayOfString: ").append(toIndentedString(arrayOfString)).append("\n");
     sb.append("    arrayArrayOfInteger: ").append(toIndentedString(arrayArrayOfInteger)).append("\n");
     sb.append("    arrayArrayOfModel: ").append(toIndentedString(arrayArrayOfModel)).append("\n");
+    sb.append("    arrayOfEnum: ").append(toIndentedString(arrayOfEnum)).append("\n");
     sb.append("}");
     return sb.toString();
   }
@@ -89,10 +183,11 @@ public class ArrayTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Cat.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Cat
+ */
 
 public class Cat extends Animal  {
-  
   @SerializedName("className")
   private String className = null;
 
@@ -22,39 +46,63 @@ public class Cat extends Animal  {
   @SerializedName("declawed")
   private Boolean declawed = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Cat className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Cat color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Cat declawed(Boolean declawed) {
+    this.declawed = declawed;
+    return this;
+  }
+
+   /**
+   * Get declawed
+   * @return declawed
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Boolean getDeclawed() {
     return declawed;
   }
+
   public void setDeclawed(Boolean declawed) {
     this.declawed = declawed;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -62,14 +110,15 @@ public class Cat extends Animal  {
       return false;
     }
     Cat cat = (Cat) o;
-    return Objects.equals(className, cat.className) &&
-        Objects.equals(color, cat.color) &&
-        Objects.equals(declawed, cat.declawed);
+    return Objects.equals(this.className, cat.className) &&
+        Objects.equals(this.color, cat.color) &&
+        Objects.equals(this.declawed, cat.declawed) &&
+        super.equals(o);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(className, color, declawed);
+    return Objects.hash(className, color, declawed, super.hashCode());
   }
 
   @Override
@@ -88,10 +137,11 @@ public class Cat extends Animal  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Category.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Category
+ */
 
 public class Category   {
-  
   @SerializedName("id")
   private Long id = null;
 
   @SerializedName("name")
   private String name = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Category id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Category name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Category   {
       return false;
     }
     Category category = (Category) o;
-    return Objects.equals(id, category.id) &&
-        Objects.equals(name, category.name);
+    return Objects.equals(this.id, category.id) &&
+        Objects.equals(this.name, category.name);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Category   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Dog.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Dog
+ */
 
 public class Dog extends Animal  {
-  
   @SerializedName("className")
   private String className = null;
 
@@ -22,39 +46,63 @@ public class Dog extends Animal  {
   @SerializedName("breed")
   private String breed = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Dog className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Dog color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Dog breed(String breed) {
+    this.breed = breed;
+    return this;
+  }
+
+   /**
+   * Get breed
+   * @return breed
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBreed() {
     return breed;
   }
+
   public void setBreed(String breed) {
     this.breed = breed;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -62,14 +110,15 @@ public class Dog extends Animal  {
       return false;
     }
     Dog dog = (Dog) o;
-    return Objects.equals(className, dog.className) &&
-        Objects.equals(color, dog.color) &&
-        Objects.equals(breed, dog.breed);
+    return Objects.equals(this.className, dog.className) &&
+        Objects.equals(this.color, dog.color) &&
+        Objects.equals(this.breed, dog.breed) &&
+        super.equals(o);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(className, color, breed);
+    return Objects.hash(className, color, breed, super.hashCode());
   }
 
   @Override
@@ -88,10 +137,11 @@ public class Dog extends Animal  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/EnumClass.java

@@ -1,50 +1,57 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
-
 import com.google.gson.annotations.SerializedName;
 
 
-
-
-
-public class EnumClass   {
+/**
+ * Gets or Sets EnumClass
+ */
+public enum EnumClass {
   
+  @SerializedName("_abc")
+  _ABC("_abc"),
+  
+  @SerializedName("-efg")
+  _EFG("-efg"),
+  
+  @SerializedName("(xyz)")
+  _XYZ_("(xyz)");
 
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-    EnumClass enumClass = (EnumClass) o;
-    return true;
-  }
+  private String value;
 
-  @Override
-  public int hashCode() {
-    return Objects.hash();
+  EnumClass(String value) {
+    this.value = value;
   }
 
   @Override
   public String toString() {
-    StringBuilder sb = new StringBuilder();
-    sb.append("class EnumClass {\n");
-    
-    sb.append("}");
-    return sb.toString();
-  }
-
-  /**
-   * Convert the given object to string with each line indented by 4 spaces
-   * (except the first line).
-   */
-  private String toIndentedString(Object o) {
-    if (o == null) {
-      return "null";
-    }
-    return o.toString().replace("\n", "\n    ");
+    return String.valueOf(value);
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/EnumTest.java

@@ -1,25 +1,48 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * EnumTest
+ */
 
 public class EnumTest   {
-  
-
   /**
    * Gets or Sets enumString
    */
   public enum EnumStringEnum {
     @SerializedName("UPPER")
     UPPER("UPPER"),
-
+    
     @SerializedName("lower")
     LOWER("lower");
 
@@ -38,14 +61,13 @@ public class EnumTest   {
   @SerializedName("enum_string")
   private EnumStringEnum enumString = null;
 
-
   /**
    * Gets or Sets enumInteger
    */
   public enum EnumIntegerEnum {
     @SerializedName("1")
     NUMBER_1(1),
-
+    
     @SerializedName("-1")
     NUMBER_MINUS_1(-1);
 
@@ -64,14 +86,13 @@ public class EnumTest   {
   @SerializedName("enum_integer")
   private EnumIntegerEnum enumInteger = null;
 
-
   /**
    * Gets or Sets enumNumber
    */
   public enum EnumNumberEnum {
     @SerializedName("1.1")
     NUMBER_1_DOT_1(1.1),
-
+    
     @SerializedName("-1.2")
     NUMBER_MINUS_1_DOT_2(-1.2);
 
@@ -90,39 +111,63 @@ public class EnumTest   {
   @SerializedName("enum_number")
   private EnumNumberEnum enumNumber = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumString(EnumStringEnum enumString) {
+    this.enumString = enumString;
+    return this;
+  }
+
+   /**
+   * Get enumString
+   * @return enumString
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumStringEnum getEnumString() {
     return enumString;
   }
+
   public void setEnumString(EnumStringEnum enumString) {
     this.enumString = enumString;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumInteger(EnumIntegerEnum enumInteger) {
+    this.enumInteger = enumInteger;
+    return this;
+  }
+
+   /**
+   * Get enumInteger
+   * @return enumInteger
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumIntegerEnum getEnumInteger() {
     return enumInteger;
   }
+
   public void setEnumInteger(EnumIntegerEnum enumInteger) {
     this.enumInteger = enumInteger;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumNumber(EnumNumberEnum enumNumber) {
+    this.enumNumber = enumNumber;
+    return this;
+  }
+
+   /**
+   * Get enumNumber
+   * @return enumNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumNumberEnum getEnumNumber() {
     return enumNumber;
   }
+
   public void setEnumNumber(EnumNumberEnum enumNumber) {
     this.enumNumber = enumNumber;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -130,9 +175,9 @@ public class EnumTest   {
       return false;
     }
     EnumTest enumTest = (EnumTest) o;
-    return Objects.equals(enumString, enumTest.enumString) &&
-        Objects.equals(enumInteger, enumTest.enumInteger) &&
-        Objects.equals(enumNumber, enumTest.enumNumber);
+    return Objects.equals(this.enumString, enumTest.enumString) &&
+        Objects.equals(this.enumInteger, enumTest.enumInteger) &&
+        Objects.equals(this.enumNumber, enumTest.enumNumber);
   }
 
   @Override
@@ -156,10 +201,11 @@ public class EnumTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/FormatTest.java

@@ -1,20 +1,44 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import java.math.BigDecimal;
 import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * FormatTest
+ */
 
 public class FormatTest   {
-  
   @SerializedName("integer")
   private Integer integer = null;
 
@@ -54,149 +78,253 @@ public class FormatTest   {
   @SerializedName("password")
   private String password = null;
 
-  /**
+  public FormatTest integer(Integer integer) {
+    this.integer = integer;
+    return this;
+  }
+
+   /**
+   * Get integer
    * minimum: 10.0
    * maximum: 100.0
-   **/
-  @ApiModelProperty(value = "")
+   * @return integer
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getInteger() {
     return integer;
   }
+
   public void setInteger(Integer integer) {
     this.integer = integer;
   }
 
-  /**
+  public FormatTest int32(Integer int32) {
+    this.int32 = int32;
+    return this;
+  }
+
+   /**
+   * Get int32
    * minimum: 20.0
    * maximum: 200.0
-   **/
-  @ApiModelProperty(value = "")
+   * @return int32
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getInt32() {
     return int32;
   }
+
   public void setInt32(Integer int32) {
     this.int32 = int32;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest int64(Long int64) {
+    this.int64 = int64;
+    return this;
+  }
+
+   /**
+   * Get int64
+   * @return int64
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getInt64() {
     return int64;
   }
+
   public void setInt64(Long int64) {
     this.int64 = int64;
   }
 
-  /**
+  public FormatTest number(BigDecimal number) {
+    this.number = number;
+    return this;
+  }
+
+   /**
+   * Get number
    * minimum: 32.1
    * maximum: 543.2
-   **/
-  @ApiModelProperty(required = true, value = "")
+   * @return number
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public BigDecimal getNumber() {
     return number;
   }
+
   public void setNumber(BigDecimal number) {
     this.number = number;
   }
 
-  /**
+  public FormatTest _float(Float _float) {
+    this._float = _float;
+    return this;
+  }
+
+   /**
+   * Get _float
    * minimum: 54.3
    * maximum: 987.6
-   **/
-  @ApiModelProperty(value = "")
+   * @return _float
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Float getFloat() {
     return _float;
   }
+
   public void setFloat(Float _float) {
     this._float = _float;
   }
 
-  /**
+  public FormatTest _double(Double _double) {
+    this._double = _double;
+    return this;
+  }
+
+   /**
+   * Get _double
    * minimum: 67.8
    * maximum: 123.4
-   **/
-  @ApiModelProperty(value = "")
+   * @return _double
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Double getDouble() {
     return _double;
   }
+
   public void setDouble(Double _double) {
     this._double = _double;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest string(String string) {
+    this.string = string;
+    return this;
+  }
+
+   /**
+   * Get string
+   * @return string
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getString() {
     return string;
   }
+
   public void setString(String string) {
     this.string = string;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest _byte(byte[] _byte) {
+    this._byte = _byte;
+    return this;
+  }
+
+   /**
+   * Get _byte
+   * @return _byte
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public byte[] getByte() {
     return _byte;
   }
+
   public void setByte(byte[] _byte) {
     this._byte = _byte;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest binary(byte[] binary) {
+    this.binary = binary;
+    return this;
+  }
+
+   /**
+   * Get binary
+   * @return binary
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public byte[] getBinary() {
     return binary;
   }
+
   public void setBinary(byte[] binary) {
     this.binary = binary;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest date(LocalDate date) {
+    this.date = date;
+    return this;
+  }
+
+   /**
+   * Get date
+   * @return date
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public LocalDate getDate() {
     return date;
   }
+
   public void setDate(LocalDate date) {
     this.date = date;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest dateTime(DateTime dateTime) {
+    this.dateTime = dateTime;
+    return this;
+  }
+
+   /**
+   * Get dateTime
+   * @return dateTime
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getDateTime() {
     return dateTime;
   }
+
   public void setDateTime(DateTime dateTime) {
     this.dateTime = dateTime;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest uuid(String uuid) {
+    this.uuid = uuid;
+    return this;
+  }
+
+   /**
+   * Get uuid
+   * @return uuid
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUuid() {
     return uuid;
   }
+
   public void setUuid(String uuid) {
     this.uuid = uuid;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest password(String password) {
+    this.password = password;
+    return this;
+  }
+
+   /**
+   * Get password
+   * @return password
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getPassword() {
     return password;
   }
+
   public void setPassword(String password) {
     this.password = password;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -204,19 +332,19 @@ public class FormatTest   {
       return false;
     }
     FormatTest formatTest = (FormatTest) o;
-    return Objects.equals(integer, formatTest.integer) &&
-        Objects.equals(int32, formatTest.int32) &&
-        Objects.equals(int64, formatTest.int64) &&
-        Objects.equals(number, formatTest.number) &&
-        Objects.equals(_float, formatTest._float) &&
-        Objects.equals(_double, formatTest._double) &&
-        Objects.equals(string, formatTest.string) &&
-        Objects.equals(_byte, formatTest._byte) &&
-        Objects.equals(binary, formatTest.binary) &&
-        Objects.equals(date, formatTest.date) &&
-        Objects.equals(dateTime, formatTest.dateTime) &&
-        Objects.equals(uuid, formatTest.uuid) &&
-        Objects.equals(password, formatTest.password);
+    return Objects.equals(this.integer, formatTest.integer) &&
+        Objects.equals(this.int32, formatTest.int32) &&
+        Objects.equals(this.int64, formatTest.int64) &&
+        Objects.equals(this.number, formatTest.number) &&
+        Objects.equals(this._float, formatTest._float) &&
+        Objects.equals(this._double, formatTest._double) &&
+        Objects.equals(this.string, formatTest.string) &&
+        Objects.equals(this._byte, formatTest._byte) &&
+        Objects.equals(this.binary, formatTest.binary) &&
+        Objects.equals(this.date, formatTest.date) &&
+        Objects.equals(this.dateTime, formatTest.dateTime) &&
+        Objects.equals(this.uuid, formatTest.uuid) &&
+        Objects.equals(this.password, formatTest.password);
   }
 
   @Override
@@ -250,10 +378,11 @@ public class FormatTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/HasOnlyReadOnly.java

@@ -0,0 +1,104 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
+
+/**
+ * HasOnlyReadOnly
+ */
+
+public class HasOnlyReadOnly   {
+  @SerializedName("bar")
+  private String bar = null;
+
+  @SerializedName("foo")
+  private String foo = null;
+
+   /**
+   * Get bar
+   * @return bar
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public String getBar() {
+    return bar;
+  }
+
+   /**
+   * Get foo
+   * @return foo
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public String getFoo() {
+    return foo;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    HasOnlyReadOnly hasOnlyReadOnly = (HasOnlyReadOnly) o;
+    return Objects.equals(this.bar, hasOnlyReadOnly.bar) &&
+        Objects.equals(this.foo, hasOnlyReadOnly.foo);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(bar, foo);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class HasOnlyReadOnly {\n");
+    
+    sb.append("    bar: ").append(toIndentedString(bar)).append("\n");
+    sb.append("    foo: ").append(toIndentedString(foo)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/MapTest.java

@@ -0,0 +1,147 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * MapTest
+ */
+
+public class MapTest   {
+  @SerializedName("map_map_of_string")
+  private Map<String, Map<String, String>> mapMapOfString = new HashMap<String, Map<String, String>>();
+
+  /**
+   * Gets or Sets inner
+   */
+  public enum InnerEnum {
+    @SerializedName("UPPER")
+    UPPER("UPPER"),
+    
+    @SerializedName("lower")
+    LOWER("lower");
+
+    private String value;
+
+    InnerEnum(String value) {
+      this.value = value;
+    }
+
+    @Override
+    public String toString() {
+      return String.valueOf(value);
+    }
+  }
+
+  @SerializedName("map_of_enum_string")
+  private Map<String, InnerEnum> mapOfEnumString = new HashMap<String, InnerEnum>();
+
+  public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
+    this.mapMapOfString = mapMapOfString;
+    return this;
+  }
+
+   /**
+   * Get mapMapOfString
+   * @return mapMapOfString
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public Map<String, Map<String, String>> getMapMapOfString() {
+    return mapMapOfString;
+  }
+
+  public void setMapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
+    this.mapMapOfString = mapMapOfString;
+  }
+
+  public MapTest mapOfEnumString(Map<String, InnerEnum> mapOfEnumString) {
+    this.mapOfEnumString = mapOfEnumString;
+    return this;
+  }
+
+   /**
+   * Get mapOfEnumString
+   * @return mapOfEnumString
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public Map<String, InnerEnum> getMapOfEnumString() {
+    return mapOfEnumString;
+  }
+
+  public void setMapOfEnumString(Map<String, InnerEnum> mapOfEnumString) {
+    this.mapOfEnumString = mapOfEnumString;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    MapTest mapTest = (MapTest) o;
+    return Objects.equals(this.mapMapOfString, mapTest.mapMapOfString) &&
+        Objects.equals(this.mapOfEnumString, mapTest.mapOfEnumString);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(mapMapOfString, mapOfEnumString);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class MapTest {\n");
+    
+    sb.append("    mapMapOfString: ").append(toIndentedString(mapMapOfString)).append("\n");
+    sb.append("    mapOfEnumString: ").append(toIndentedString(mapOfEnumString)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -1,6 +1,32 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
@@ -9,14 +35,12 @@ import java.util.List;
 import java.util.Map;
 import org.joda.time.DateTime;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * MixedPropertiesAndAdditionalPropertiesClass
+ */
 
 public class MixedPropertiesAndAdditionalPropertiesClass   {
-  
   @SerializedName("uuid")
   private String uuid = null;
 
@@ -26,39 +50,63 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
   @SerializedName("map")
   private Map<String, Animal> map = new HashMap<String, Animal>();
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass uuid(String uuid) {
+    this.uuid = uuid;
+    return this;
+  }
+
+   /**
+   * Get uuid
+   * @return uuid
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUuid() {
     return uuid;
   }
+
   public void setUuid(String uuid) {
     this.uuid = uuid;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass dateTime(DateTime dateTime) {
+    this.dateTime = dateTime;
+    return this;
+  }
+
+   /**
+   * Get dateTime
+   * @return dateTime
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getDateTime() {
     return dateTime;
   }
+
   public void setDateTime(DateTime dateTime) {
     this.dateTime = dateTime;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass map(Map<String, Animal> map) {
+    this.map = map;
+    return this;
+  }
+
+   /**
+   * Get map
+   * @return map
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, Animal> getMap() {
     return map;
   }
+
   public void setMap(Map<String, Animal> map) {
     this.map = map;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -66,9 +114,9 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
       return false;
     }
     MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass = (MixedPropertiesAndAdditionalPropertiesClass) o;
-    return Objects.equals(uuid, mixedPropertiesAndAdditionalPropertiesClass.uuid) &&
-        Objects.equals(dateTime, mixedPropertiesAndAdditionalPropertiesClass.dateTime) &&
-        Objects.equals(map, mixedPropertiesAndAdditionalPropertiesClass.map);
+    return Objects.equals(this.uuid, mixedPropertiesAndAdditionalPropertiesClass.uuid) &&
+        Objects.equals(this.dateTime, mixedPropertiesAndAdditionalPropertiesClass.dateTime) &&
+        Objects.equals(this.map, mixedPropertiesAndAdditionalPropertiesClass.map);
   }
 
   @Override
@@ -92,10 +140,11 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Model200Response.java

@@ -1,49 +1,87 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing model name starting with number
- **/
+ */
 @ApiModel(description = "Model for testing model name starting with number")
+
 public class Model200Response   {
-  
   @SerializedName("name")
   private Integer name = null;
 
   @SerializedName("class")
   private String PropertyClass = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Model200Response name(Integer name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getName() {
     return name;
   }
+
   public void setName(Integer name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Model200Response PropertyClass(String PropertyClass) {
+    this.PropertyClass = PropertyClass;
+    return this;
+  }
+
+   /**
+   * Get PropertyClass
+   * @return PropertyClass
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPropertyClass() {
     return PropertyClass;
   }
+
   public void setPropertyClass(String PropertyClass) {
     this.PropertyClass = PropertyClass;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -51,8 +89,8 @@ public class Model200Response   {
       return false;
     }
     Model200Response _200Response = (Model200Response) o;
-    return Objects.equals(name, _200Response.name) &&
-        Objects.equals(PropertyClass, _200Response.PropertyClass);
+    return Objects.equals(this.name, _200Response.name) &&
+        Objects.equals(this.PropertyClass, _200Response.PropertyClass);
   }
 
   @Override
@@ -75,10 +113,11 @@ public class Model200Response   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ModelApiResponse.java

@@ -1,17 +1,41 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ModelApiResponse
+ */
 
 public class ModelApiResponse   {
-  
   @SerializedName("code")
   private Integer code = null;
 
@@ -21,39 +45,63 @@ public class ModelApiResponse   {
   @SerializedName("message")
   private String message = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse code(Integer code) {
+    this.code = code;
+    return this;
+  }
+
+   /**
+   * Get code
+   * @return code
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getCode() {
     return code;
   }
+
   public void setCode(Integer code) {
     this.code = code;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse type(String type) {
+    this.type = type;
+    return this;
+  }
+
+   /**
+   * Get type
+   * @return type
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getType() {
     return type;
   }
+
   public void setType(String type) {
     this.type = type;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse message(String message) {
+    this.message = message;
+    return this;
+  }
+
+   /**
+   * Get message
+   * @return message
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getMessage() {
     return message;
   }
+
   public void setMessage(String message) {
     this.message = message;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -61,9 +109,9 @@ public class ModelApiResponse   {
       return false;
     }
     ModelApiResponse _apiResponse = (ModelApiResponse) o;
-    return Objects.equals(code, _apiResponse.code) &&
-        Objects.equals(type, _apiResponse.type) &&
-        Objects.equals(message, _apiResponse.message);
+    return Objects.equals(this.code, _apiResponse.code) &&
+        Objects.equals(this.type, _apiResponse.type) &&
+        Objects.equals(this.message, _apiResponse.message);
   }
 
   @Override
@@ -87,10 +135,11 @@ public class ModelApiResponse   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ModelReturn.java

@@ -1,36 +1,66 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing reserved words
- **/
+ */
 @ApiModel(description = "Model for testing reserved words")
+
 public class ModelReturn   {
-  
   @SerializedName("return")
   private Integer _return = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelReturn _return(Integer _return) {
+    this._return = _return;
+    return this;
+  }
+
+   /**
+   * Get _return
+   * @return _return
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getReturn() {
     return _return;
   }
+
   public void setReturn(Integer _return) {
     this._return = _return;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -38,7 +68,7 @@ public class ModelReturn   {
       return false;
     }
     ModelReturn _return = (ModelReturn) o;
-    return Objects.equals(_return, _return._return);
+    return Objects.equals(this._return, _return._return);
   }
 
   @Override
@@ -60,10 +90,11 @@ public class ModelReturn   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Name.java

@@ -1,20 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing model name same as property name
- **/
+ */
 @ApiModel(description = "Model for testing model name same as property name")
+
 public class Name   {
-  
   @SerializedName("name")
   private Integer name = null;
 
@@ -27,43 +49,63 @@ public class Name   {
   @SerializedName("123Number")
   private Integer _123Number = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Name name(Integer name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public Integer getName() {
     return name;
   }
+
   public void setName(Integer name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get snakeCase
+   * @return snakeCase
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getSnakeCase() {
     return snakeCase;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Name property(String property) {
+    this.property = property;
+    return this;
+  }
+
+   /**
+   * Get property
+   * @return property
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getProperty() {
     return property;
   }
+
   public void setProperty(String property) {
     this.property = property;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get _123Number
+   * @return _123Number
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer get123Number() {
     return _123Number;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -71,10 +113,10 @@ public class Name   {
       return false;
     }
     Name name = (Name) o;
-    return Objects.equals(name, name.name) &&
-        Objects.equals(snakeCase, name.snakeCase) &&
-        Objects.equals(property, name.property) &&
-        Objects.equals(_123Number, name._123Number);
+    return Objects.equals(this.name, name.name) &&
+        Objects.equals(this.snakeCase, name.snakeCase) &&
+        Objects.equals(this.property, name.property) &&
+        Objects.equals(this._123Number, name._123Number);
   }
 
   @Override
@@ -99,10 +141,11 @@ public class Name   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/NumberOnly.java

@@ -0,0 +1,100 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+
+
+/**
+ * NumberOnly
+ */
+
+public class NumberOnly   {
+  @SerializedName("JustNumber")
+  private BigDecimal justNumber = null;
+
+  public NumberOnly justNumber(BigDecimal justNumber) {
+    this.justNumber = justNumber;
+    return this;
+  }
+
+   /**
+   * Get justNumber
+   * @return justNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public BigDecimal getJustNumber() {
+    return justNumber;
+  }
+
+  public void setJustNumber(BigDecimal justNumber) {
+    this.justNumber = justNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    NumberOnly numberOnly = (NumberOnly) o;
+    return Objects.equals(this.justNumber, numberOnly.justNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(justNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class NumberOnly {\n");
+    
+    sb.append("    justNumber: ").append(toIndentedString(justNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Order.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import org.joda.time.DateTime;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Order
+ */
 
 public class Order   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -25,17 +49,16 @@ public class Order   {
   @SerializedName("shipDate")
   private DateTime shipDate = null;
 
-
   /**
    * Order Status
    */
   public enum StatusEnum {
     @SerializedName("placed")
     PLACED("placed"),
-
+    
     @SerializedName("approved")
     APPROVED("approved"),
-
+    
     @SerializedName("delivered")
     DELIVERED("delivered");
 
@@ -57,70 +80,117 @@ public class Order   {
   @SerializedName("complete")
   private Boolean complete = false;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order petId(Long petId) {
+    this.petId = petId;
+    return this;
+  }
+
+   /**
+   * Get petId
+   * @return petId
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getPetId() {
     return petId;
   }
+
   public void setPetId(Long petId) {
     this.petId = petId;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order quantity(Integer quantity) {
+    this.quantity = quantity;
+    return this;
+  }
+
+   /**
+   * Get quantity
+   * @return quantity
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getQuantity() {
     return quantity;
   }
+
   public void setQuantity(Integer quantity) {
     this.quantity = quantity;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order shipDate(DateTime shipDate) {
+    this.shipDate = shipDate;
+    return this;
+  }
+
+   /**
+   * Get shipDate
+   * @return shipDate
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getShipDate() {
     return shipDate;
   }
+
   public void setShipDate(DateTime shipDate) {
     this.shipDate = shipDate;
   }
 
-  /**
+  public Order status(StatusEnum status) {
+    this.status = status;
+    return this;
+  }
+
+   /**
    * Order Status
-   **/
-  @ApiModelProperty(value = "Order Status")
+   * @return status
+  **/
+  @ApiModelProperty(example = "null", value = "Order Status")
   public StatusEnum getStatus() {
     return status;
   }
+
   public void setStatus(StatusEnum status) {
     this.status = status;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order complete(Boolean complete) {
+    this.complete = complete;
+    return this;
+  }
+
+   /**
+   * Get complete
+   * @return complete
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Boolean getComplete() {
     return complete;
   }
+
   public void setComplete(Boolean complete) {
     this.complete = complete;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -128,12 +198,12 @@ public class Order   {
       return false;
     }
     Order order = (Order) o;
-    return Objects.equals(id, order.id) &&
-        Objects.equals(petId, order.petId) &&
-        Objects.equals(quantity, order.quantity) &&
-        Objects.equals(shipDate, order.shipDate) &&
-        Objects.equals(status, order.status) &&
-        Objects.equals(complete, order.complete);
+    return Objects.equals(this.id, order.id) &&
+        Objects.equals(this.petId, order.petId) &&
+        Objects.equals(this.quantity, order.quantity) &&
+        Objects.equals(this.shipDate, order.shipDate) &&
+        Objects.equals(this.status, order.status) &&
+        Objects.equals(this.complete, order.complete);
   }
 
   @Override
@@ -160,10 +230,11 @@ public class Order   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Pet.java

@@ -1,6 +1,32 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Category;
@@ -8,14 +34,12 @@ import io.swagger.client.model.Tag;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Pet
+ */
 
 public class Pet   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -31,17 +55,16 @@ public class Pet   {
   @SerializedName("tags")
   private List<Tag> tags = new ArrayList<Tag>();
 
-
   /**
    * pet status in the store
    */
   public enum StatusEnum {
     @SerializedName("available")
     AVAILABLE("available"),
-
+    
     @SerializedName("pending")
     PENDING("pending"),
-
+    
     @SerializedName("sold")
     SOLD("sold");
 
@@ -60,70 +83,117 @@ public class Pet   {
   @SerializedName("status")
   private StatusEnum status = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet category(Category category) {
+    this.category = category;
+    return this;
+  }
+
+   /**
+   * Get category
+   * @return category
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Category getCategory() {
     return category;
   }
+
   public void setCategory(Category category) {
     this.category = category;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Pet name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "doggie", required = true, value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Pet photoUrls(List<String> photoUrls) {
+    this.photoUrls = photoUrls;
+    return this;
+  }
+
+   /**
+   * Get photoUrls
+   * @return photoUrls
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public List<String> getPhotoUrls() {
     return photoUrls;
   }
+
   public void setPhotoUrls(List<String> photoUrls) {
     this.photoUrls = photoUrls;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet tags(List<Tag> tags) {
+    this.tags = tags;
+    return this;
+  }
+
+   /**
+   * Get tags
+   * @return tags
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<Tag> getTags() {
     return tags;
   }
+
   public void setTags(List<Tag> tags) {
     this.tags = tags;
   }
 
-  /**
+  public Pet status(StatusEnum status) {
+    this.status = status;
+    return this;
+  }
+
+   /**
    * pet status in the store
-   **/
-  @ApiModelProperty(value = "pet status in the store")
+   * @return status
+  **/
+  @ApiModelProperty(example = "null", value = "pet status in the store")
   public StatusEnum getStatus() {
     return status;
   }
+
   public void setStatus(StatusEnum status) {
     this.status = status;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -131,12 +201,12 @@ public class Pet   {
       return false;
     }
     Pet pet = (Pet) o;
-    return Objects.equals(id, pet.id) &&
-        Objects.equals(category, pet.category) &&
-        Objects.equals(name, pet.name) &&
-        Objects.equals(photoUrls, pet.photoUrls) &&
-        Objects.equals(tags, pet.tags) &&
-        Objects.equals(status, pet.status);
+    return Objects.equals(this.id, pet.id) &&
+        Objects.equals(this.category, pet.category) &&
+        Objects.equals(this.name, pet.name) &&
+        Objects.equals(this.photoUrls, pet.photoUrls) &&
+        Objects.equals(this.tags, pet.tags) &&
+        Objects.equals(this.status, pet.status);
   }
 
   @Override
@@ -163,10 +233,11 @@ public class Pet   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/ReadOnlyFirst.java

@@ -1,43 +1,77 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ReadOnlyFirst
+ */
 
 public class ReadOnlyFirst   {
-  
   @SerializedName("bar")
   private String bar = null;
 
   @SerializedName("baz")
   private String baz = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get bar
+   * @return bar
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBar() {
     return bar;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ReadOnlyFirst baz(String baz) {
+    this.baz = baz;
+    return this;
+  }
+
+   /**
+   * Get baz
+   * @return baz
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBaz() {
     return baz;
   }
+
   public void setBaz(String baz) {
     this.baz = baz;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -45,8 +79,8 @@ public class ReadOnlyFirst   {
       return false;
     }
     ReadOnlyFirst readOnlyFirst = (ReadOnlyFirst) o;
-    return Objects.equals(bar, readOnlyFirst.bar) &&
-        Objects.equals(baz, readOnlyFirst.baz);
+    return Objects.equals(this.bar, readOnlyFirst.bar) &&
+        Objects.equals(this.baz, readOnlyFirst.baz);
   }
 
   @Override
@@ -69,10 +103,11 @@ public class ReadOnlyFirst   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/SpecialModelName.java

@@ -1,33 +1,65 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * SpecialModelName
+ */
 
 public class SpecialModelName   {
-  
   @SerializedName("$special[property.name]")
   private Long specialPropertyName = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public SpecialModelName specialPropertyName(Long specialPropertyName) {
+    this.specialPropertyName = specialPropertyName;
+    return this;
+  }
+
+   /**
+   * Get specialPropertyName
+   * @return specialPropertyName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getSpecialPropertyName() {
     return specialPropertyName;
   }
+
   public void setSpecialPropertyName(Long specialPropertyName) {
     this.specialPropertyName = specialPropertyName;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -35,7 +67,7 @@ public class SpecialModelName   {
       return false;
     }
     SpecialModelName specialModelName = (SpecialModelName) o;
-    return Objects.equals(specialPropertyName, specialModelName.specialPropertyName);
+    return Objects.equals(this.specialPropertyName, specialModelName.specialPropertyName);
   }
 
   @Override
@@ -57,10 +89,11 @@ public class SpecialModelName   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/Tag.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Tag
+ */
 
 public class Tag   {
-  
   @SerializedName("id")
   private Long id = null;
 
   @SerializedName("name")
   private String name = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Tag id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Tag name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Tag   {
       return false;
     }
     Tag tag = (Tag) o;
-    return Objects.equals(id, tag.id) &&
-        Objects.equals(name, tag.name);
+    return Objects.equals(this.id, tag.id) &&
+        Objects.equals(this.name, tag.name);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Tag   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2/src/main/java/io/swagger/client/model/User.java

@@ -1,17 +1,41 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * User
+ */
 
 public class User   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -36,90 +60,153 @@ public class User   {
   @SerializedName("userStatus")
   private Integer userStatus = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User username(String username) {
+    this.username = username;
+    return this;
+  }
+
+   /**
+   * Get username
+   * @return username
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUsername() {
     return username;
   }
+
   public void setUsername(String username) {
     this.username = username;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User firstName(String firstName) {
+    this.firstName = firstName;
+    return this;
+  }
+
+   /**
+   * Get firstName
+   * @return firstName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getFirstName() {
     return firstName;
   }
+
   public void setFirstName(String firstName) {
     this.firstName = firstName;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User lastName(String lastName) {
+    this.lastName = lastName;
+    return this;
+  }
+
+   /**
+   * Get lastName
+   * @return lastName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getLastName() {
     return lastName;
   }
+
   public void setLastName(String lastName) {
     this.lastName = lastName;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User email(String email) {
+    this.email = email;
+    return this;
+  }
+
+   /**
+   * Get email
+   * @return email
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getEmail() {
     return email;
   }
+
   public void setEmail(String email) {
     this.email = email;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User password(String password) {
+    this.password = password;
+    return this;
+  }
+
+   /**
+   * Get password
+   * @return password
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPassword() {
     return password;
   }
+
   public void setPassword(String password) {
     this.password = password;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User phone(String phone) {
+    this.phone = phone;
+    return this;
+  }
+
+   /**
+   * Get phone
+   * @return phone
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPhone() {
     return phone;
   }
+
   public void setPhone(String phone) {
     this.phone = phone;
   }
 
-  /**
+  public User userStatus(Integer userStatus) {
+    this.userStatus = userStatus;
+    return this;
+  }
+
+   /**
    * User Status
-   **/
-  @ApiModelProperty(value = "User Status")
+   * @return userStatus
+  **/
+  @ApiModelProperty(example = "null", value = "User Status")
   public Integer getUserStatus() {
     return userStatus;
   }
+
   public void setUserStatus(Integer userStatus) {
     this.userStatus = userStatus;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -127,14 +214,14 @@ public class User   {
       return false;
     }
     User user = (User) o;
-    return Objects.equals(id, user.id) &&
-        Objects.equals(username, user.username) &&
-        Objects.equals(firstName, user.firstName) &&
-        Objects.equals(lastName, user.lastName) &&
-        Objects.equals(email, user.email) &&
-        Objects.equals(password, user.password) &&
-        Objects.equals(phone, user.phone) &&
-        Objects.equals(userStatus, user.userStatus);
+    return Objects.equals(this.id, user.id) &&
+        Objects.equals(this.username, user.username) &&
+        Objects.equals(this.firstName, user.firstName) &&
+        Objects.equals(this.lastName, user.lastName) &&
+        Objects.equals(this.email, user.email) &&
+        Objects.equals(this.password, user.password) &&
+        Objects.equals(this.phone, user.phone) &&
+        Objects.equals(this.userStatus, user.userStatus);
   }
 
   @Override
@@ -163,10 +250,11 @@ public class User   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/.travis.yml

@@ -0,0 +1,29 @@
+#
+# Generated by: https://github.com/swagger-api/swagger-codegen.git
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+language: java
+jdk:
+  - oraclejdk8
+  - oraclejdk7
+before_install:
+  # ensure gradlew has proper permission
+  - chmod a+x ./gradlew
+script:
+  # test using maven
+  - mvn test
+  # uncomment below to test using gradle
+  # - gradle test
+  # uncomment below to test using sbt 
+  # - sbt test

samples/client/petstore/java/retrofit2rx/docs/ArrayOfArrayOfNumberOnly.md

@@ -0,0 +1,10 @@
+
+# ArrayOfArrayOfNumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**arrayArrayNumber** | [**List<List<BigDecimal>>**](List.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2rx/docs/ArrayOfNumberOnly.md

@@ -0,0 +1,10 @@
+
+# ArrayOfNumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**arrayNumber** | [**List<BigDecimal>**](BigDecimal.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2rx/docs/ArrayTest.md

@@ -7,6 +7,13 @@ Name | Type | Description | Notes
 **arrayOfString** | **List<String>** |  |  [optional]
 **arrayArrayOfInteger** | [**List<List<Long>>**](List.md) |  |  [optional]
 **arrayArrayOfModel** | [**List<List<ReadOnlyFirst>>**](List.md) |  |  [optional]
+**arrayOfEnum** | [**List<ArrayOfEnumEnum>**](#List<ArrayOfEnumEnum>) |  |  [optional]
+
+
+<a name="List<ArrayOfEnumEnum>"></a>
+## Enum: List&lt;ArrayOfEnumEnum&gt;
+Name | Value
+---- | -----
 
 
 

samples/client/petstore/java/retrofit2rx/docs/FakeApi.md

@@ -4,9 +4,54 @@ All URIs are relative to *http://petstore.swagger.io/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**testCodeInjectEnd**](FakeApi.md#testCodeInjectEnd) | **PUT** fake | To test code injection  =end
 [**testEndpointParameters**](FakeApi.md#testEndpointParameters) | **POST** fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+[**testEnumQueryParameters**](FakeApi.md#testEnumQueryParameters) | **GET** fake | To test enum query parameters
 
 
+<a name="testCodeInjectEnd"></a>
+# **testCodeInjectEnd**
+> Void testCodeInjectEnd(testCodeInjectEnd)
+
+To test code injection  &#x3D;end
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeApi;
+
+
+FakeApi apiInstance = new FakeApi();
+String testCodeInjectEnd = "testCodeInjectEnd_example"; // String | To test code injection  =end
+try {
+    Void result = apiInstance.testCodeInjectEnd(testCodeInjectEnd);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeApi#testCodeInjectEnd");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **testCodeInjectEnd** | **String**| To test code injection  &#x3D;end | [optional]
+
+### Return type
+
+[**Void**](.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json, */ =end'));(phpinfo('
+ - **Accept**: application/json, */ end
+
 <a name="testEndpointParameters"></a>
 # **testEndpointParameters**
 > Void testEndpointParameters(number, _double, string, _byte, integer, int32, int64, _float, binary, date, dateTime, password)
@@ -74,3 +119,50 @@ No authorization required
  - **Content-Type**: application/xml; charset=utf-8, application/json; charset=utf-8
  - **Accept**: application/xml; charset=utf-8, application/json; charset=utf-8
 
+<a name="testEnumQueryParameters"></a>
+# **testEnumQueryParameters**
+> Void testEnumQueryParameters(enumQueryString, enumQueryInteger, enumQueryDouble)
+
+To test enum query parameters
+
+### Example
+```java
+// Import classes:
+//import io.swagger.client.ApiException;
+//import io.swagger.client.api.FakeApi;
+
+
+FakeApi apiInstance = new FakeApi();
+String enumQueryString = "-efg"; // String | Query parameter enum test (string)
+BigDecimal enumQueryInteger = new BigDecimal(); // BigDecimal | Query parameter enum test (double)
+Double enumQueryDouble = 3.4D; // Double | Query parameter enum test (double)
+try {
+    Void result = apiInstance.testEnumQueryParameters(enumQueryString, enumQueryInteger, enumQueryDouble);
+    System.out.println(result);
+} catch (ApiException e) {
+    System.err.println("Exception when calling FakeApi#testEnumQueryParameters");
+    e.printStackTrace();
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to -efg] [enum: _abc, -efg, (xyz)]
+ **enumQueryInteger** | **BigDecimal**| Query parameter enum test (double) | [optional]
+ **enumQueryDouble** | **Double**| Query parameter enum test (double) | [optional]
+
+### Return type
+
+[**Void**](.md)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/json
+ - **Accept**: application/json
+

samples/client/petstore/java/retrofit2rx/docs/HasOnlyReadOnly.md

@@ -0,0 +1,11 @@
+
+# HasOnlyReadOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**bar** | **String** |  |  [optional]
+**foo** | **String** |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2rx/docs/MapTest.md

@@ -0,0 +1,17 @@
+
+# MapTest
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**mapMapOfString** | [**Map<String, Map<String, String>>**](Map.md) |  |  [optional]
+**mapOfEnumString** | [**Map<String, InnerEnum>**](#Map<String, InnerEnum>) |  |  [optional]
+
+
+<a name="Map<String, InnerEnum>"></a>
+## Enum: Map&lt;String, InnerEnum&gt;
+Name | Value
+---- | -----
+
+
+

samples/client/petstore/java/retrofit2rx/docs/NumberOnly.md

@@ -0,0 +1,10 @@
+
+# NumberOnly
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**justNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+
+
+

samples/client/petstore/java/retrofit2rx/pom.xml

@@ -151,12 +151,11 @@
     <java.version>1.7</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
-    <swagger-core-version>1.5.8</swagger-core-version>
-    <retrofit-version>2.0.2</retrofit-version>
-    <rxjava-version>1.1.3</rxjava-version>
-    <jodatime-version>2.9.3</jodatime-version>
+    <swagger-core-version>1.5.9</swagger-core-version>
+    <retrofit-version>2.1.0</retrofit-version>
+    <rxjava-version>1.1.6</rxjava-version>
+    <jodatime-version>2.9.4</jodatime-version>
     <oltu-version>1.0.1</oltu-version>
-    <maven-plugin-version>1.0.0</maven-plugin-version>
     <junit-version>4.12</junit-version>
   </properties>
 </project>

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/ApiClient.java

@@ -41,7 +41,7 @@ import io.swagger.client.auth.OAuthFlow;
 public class ApiClient {
 
     private Map<String, Interceptor> apiAuthorizations;
-    private OkHttpClient okClient;
+    private OkHttpClient.Builder okBuilder;
     private Retrofit.Builder adapterBuilder;
 
     public ApiClient() {
@@ -110,14 +110,14 @@ public class ApiClient {
                 .setPassword(password);
     }
 
-   public void createDefaultAdapter() {
+    public void createDefaultAdapter() {
         Gson gson = new GsonBuilder()
                 .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ")
                 .registerTypeAdapter(DateTime.class, new DateTimeTypeAdapter())
                 .registerTypeAdapter(LocalDate.class, new LocalDateTypeAdapter())
                 .create();
 
-        okClient = new OkHttpClient();
+        okBuilder = new OkHttpClient.Builder();
 
         String baseUrl = "http://petstore.swagger.io/v2";
         if(!baseUrl.endsWith("/"))
@@ -126,14 +126,16 @@ public class ApiClient {
         adapterBuilder = new Retrofit
                 .Builder()
                 .baseUrl(baseUrl)
-                .client(okClient)
                 .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                 .addConverterFactory(ScalarsConverterFactory.create())
                 .addConverterFactory(GsonCustomConverterFactory.create(gson));
     }
 
     public <S> S createService(Class<S> serviceClass) {
-        return adapterBuilder.build().create(serviceClass);
+        return adapterBuilder
+            .client(okBuilder.build())
+            .build()
+            .create(serviceClass);
 
     }
 
@@ -259,7 +261,7 @@ public class ApiClient {
             throw new RuntimeException("auth name \"" + authName + "\" already in api authorizations");
         }
         apiAuthorizations.put(authName, authorization);
-        okClient.interceptors().add(authorization);
+        okBuilder.addInterceptor(authorization);
     }
 
     public Map<String, Interceptor> getApiAuthorizations() {
@@ -278,24 +280,24 @@ public class ApiClient {
         this.adapterBuilder = adapterBuilder;
     }
 
-    public OkHttpClient getOkClient() {
-        return okClient;
+    public OkHttpClient.Builder getOkBuilder() {
+        return okBuilder;
     }
 
-    public void addAuthsToOkClient(OkHttpClient okClient) {
+    public void addAuthsToOkBuilder(OkHttpClient.Builder okBuilder) {
         for(Interceptor apiAuthorization : apiAuthorizations.values()) {
-            okClient.interceptors().add(apiAuthorization);
+            okBuilder.addInterceptor(apiAuthorization);
         }
     }
 
     /**
-     * Clones the okClient given in parameter, adds the auth interceptors and uses it to configure the Retrofit
+     * Clones the okBuilder given in parameter, adds the auth interceptors and uses it to configure the Retrofit
      * @param okClient
      */
     public void configureFromOkclient(OkHttpClient okClient) {
-        OkHttpClient clone = okClient.newBuilder().build();
-        addAuthsToOkClient(clone);
-        adapterBuilder.client(clone);
+        this.okBuilder = okClient.newBuilder();
+        addAuthsToOkBuilder(this.okBuilder);
+
     }
 }
 

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/StringUtil.java

@@ -1,6 +1,6 @@
 /**
  * Swagger Petstore
- * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\ 
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
  *
  * OpenAPI spec version: 1.0.0
  * Contact: apiteam@swagger.io

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/api/FakeApi.java

@@ -18,6 +18,19 @@ import java.util.List;
 import java.util.Map;
 
 public interface FakeApi {
+  /**
+   * To test code injection  =end
+   * 
+   * @param testCodeInjectEnd To test code injection  =end (optional)
+   * @return Call<Void>
+   */
+  
+  @FormUrlEncoded
+  @PUT("fake")
+  Observable<Void> testCodeInjectEnd(
+    @Field("test code inject */ &#x3D;end") String testCodeInjectEnd
+  );
+
   /**
    * Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
    * Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
@@ -42,4 +55,19 @@ public interface FakeApi {
     @Field("number") BigDecimal number, @Field("double") Double _double, @Field("string") String string, @Field("byte") byte[] _byte, @Field("integer") Integer integer, @Field("int32") Integer int32, @Field("int64") Long int64, @Field("float") Float _float, @Field("binary") byte[] binary, @Field("date") LocalDate date, @Field("dateTime") DateTime dateTime, @Field("password") String password
   );
 
+  /**
+   * To test enum query parameters
+   * 
+   * @param enumQueryString Query parameter enum test (string) (optional, default to -efg)
+   * @param enumQueryInteger Query parameter enum test (double) (optional)
+   * @param enumQueryDouble Query parameter enum test (double) (optional)
+   * @return Call<Void>
+   */
+  
+  @FormUrlEncoded
+  @GET("fake")
+  Observable<Void> testEnumQueryParameters(
+    @Field("enum_query_string") String enumQueryString, @Query("enum_query_integer") BigDecimal enumQueryInteger, @Field("enum_query_double") Double enumQueryDouble
+  );
+
 }

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/auth/OAuthFlow.java

@@ -1,6 +1,6 @@
 /**
  * Swagger Petstore
- * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\ 
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
  *
  * OpenAPI spec version: 1.0.0
  * Contact: apiteam@swagger.io

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/AdditionalPropertiesClass.java

@@ -1,49 +1,89 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * AdditionalPropertiesClass
+ */
 
 public class AdditionalPropertiesClass   {
-  
   @SerializedName("map_property")
   private Map<String, String> mapProperty = new HashMap<String, String>();
 
   @SerializedName("map_of_map_property")
   private Map<String, Map<String, String>> mapOfMapProperty = new HashMap<String, Map<String, String>>();
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public AdditionalPropertiesClass mapProperty(Map<String, String> mapProperty) {
+    this.mapProperty = mapProperty;
+    return this;
+  }
+
+   /**
+   * Get mapProperty
+   * @return mapProperty
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, String> getMapProperty() {
     return mapProperty;
   }
+
   public void setMapProperty(Map<String, String> mapProperty) {
     this.mapProperty = mapProperty;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public AdditionalPropertiesClass mapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
+    this.mapOfMapProperty = mapOfMapProperty;
+    return this;
+  }
+
+   /**
+   * Get mapOfMapProperty
+   * @return mapOfMapProperty
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, Map<String, String>> getMapOfMapProperty() {
     return mapOfMapProperty;
   }
+
   public void setMapOfMapProperty(Map<String, Map<String, String>> mapOfMapProperty) {
     this.mapOfMapProperty = mapOfMapProperty;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -51,8 +91,8 @@ public class AdditionalPropertiesClass   {
       return false;
     }
     AdditionalPropertiesClass additionalPropertiesClass = (AdditionalPropertiesClass) o;
-    return Objects.equals(mapProperty, additionalPropertiesClass.mapProperty) &&
-        Objects.equals(mapOfMapProperty, additionalPropertiesClass.mapOfMapProperty);
+    return Objects.equals(this.mapProperty, additionalPropertiesClass.mapProperty) &&
+        Objects.equals(this.mapOfMapProperty, additionalPropertiesClass.mapOfMapProperty);
   }
 
   @Override
@@ -75,10 +115,11 @@ public class AdditionalPropertiesClass   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Animal.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Animal
+ */
 
 public class Animal   {
-  
   @SerializedName("className")
   private String className = null;
 
   @SerializedName("color")
   private String color = "red";
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Animal className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Animal color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Animal   {
       return false;
     }
     Animal animal = (Animal) o;
-    return Objects.equals(className, animal.className) &&
-        Objects.equals(color, animal.color);
+    return Objects.equals(this.className, animal.className) &&
+        Objects.equals(this.color, animal.color);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Animal   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/AnimalFarm.java

@@ -1,3 +1,28 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
@@ -5,30 +30,27 @@ import io.swagger.client.model.Animal;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * AnimalFarm
+ */
 
 public class AnimalFarm extends ArrayList<Animal>  {
-  
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
     if (o == null || getClass() != o.getClass()) {
       return false;
     }
-    AnimalFarm animalFarm = (AnimalFarm) o;
     return true;
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash();
+    return Objects.hash(super.hashCode());
   }
 
   @Override
@@ -44,10 +66,11 @@ public class AnimalFarm extends ArrayList<Animal>  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ArrayOfArrayOfNumberOnly.java

@@ -0,0 +1,102 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * ArrayOfArrayOfNumberOnly
+ */
+
+public class ArrayOfArrayOfNumberOnly   {
+  @SerializedName("ArrayArrayNumber")
+  private List<List<BigDecimal>> arrayArrayNumber = new ArrayList<List<BigDecimal>>();
+
+  public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
+    this.arrayArrayNumber = arrayArrayNumber;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayNumber
+   * @return arrayArrayNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<List<BigDecimal>> getArrayArrayNumber() {
+    return arrayArrayNumber;
+  }
+
+  public void setArrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {
+    this.arrayArrayNumber = arrayArrayNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    ArrayOfArrayOfNumberOnly arrayOfArrayOfNumberOnly = (ArrayOfArrayOfNumberOnly) o;
+    return Objects.equals(this.arrayArrayNumber, arrayOfArrayOfNumberOnly.arrayArrayNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(arrayArrayNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class ArrayOfArrayOfNumberOnly {\n");
+    
+    sb.append("    arrayArrayNumber: ").append(toIndentedString(arrayArrayNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ArrayOfNumberOnly.java

@@ -0,0 +1,102 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+
+/**
+ * ArrayOfNumberOnly
+ */
+
+public class ArrayOfNumberOnly   {
+  @SerializedName("ArrayNumber")
+  private List<BigDecimal> arrayNumber = new ArrayList<BigDecimal>();
+
+  public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {
+    this.arrayNumber = arrayNumber;
+    return this;
+  }
+
+   /**
+   * Get arrayNumber
+   * @return arrayNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<BigDecimal> getArrayNumber() {
+    return arrayNumber;
+  }
+
+  public void setArrayNumber(List<BigDecimal> arrayNumber) {
+    this.arrayNumber = arrayNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    ArrayOfNumberOnly arrayOfNumberOnly = (ArrayOfNumberOnly) o;
+    return Objects.equals(this.arrayNumber, arrayOfNumberOnly.arrayNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(arrayNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class ArrayOfNumberOnly {\n");
+    
+    sb.append("    arrayNumber: ").append(toIndentedString(arrayNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ArrayTest.java

@@ -1,19 +1,44 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import io.swagger.client.model.ReadOnlyFirst;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ArrayTest
+ */
 
 public class ArrayTest   {
-  
   @SerializedName("array_of_string")
   private List<String> arrayOfString = new ArrayList<String>();
 
@@ -24,38 +49,105 @@ public class ArrayTest   {
   private List<List<ReadOnlyFirst>> arrayArrayOfModel = new ArrayList<List<ReadOnlyFirst>>();
 
   /**
-   **/
-  @ApiModelProperty(value = "")
+   * Gets or Sets arrayOfEnum
+   */
+  public enum ArrayOfEnumEnum {
+    @SerializedName("UPPER")
+    UPPER("UPPER"),
+    
+    @SerializedName("lower")
+    LOWER("lower");
+
+    private String value;
+
+    ArrayOfEnumEnum(String value) {
+      this.value = value;
+    }
+
+    @Override
+    public String toString() {
+      return String.valueOf(value);
+    }
+  }
+
+  @SerializedName("array_of_enum")
+  private List<ArrayOfEnumEnum> arrayOfEnum = new ArrayList<ArrayOfEnumEnum>();
+
+  public ArrayTest arrayOfString(List<String> arrayOfString) {
+    this.arrayOfString = arrayOfString;
+    return this;
+  }
+
+   /**
+   * Get arrayOfString
+   * @return arrayOfString
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<String> getArrayOfString() {
     return arrayOfString;
   }
+
   public void setArrayOfString(List<String> arrayOfString) {
     this.arrayOfString = arrayOfString;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ArrayTest arrayArrayOfInteger(List<List<Long>> arrayArrayOfInteger) {
+    this.arrayArrayOfInteger = arrayArrayOfInteger;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayOfInteger
+   * @return arrayArrayOfInteger
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<List<Long>> getArrayArrayOfInteger() {
     return arrayArrayOfInteger;
   }
+
   public void setArrayArrayOfInteger(List<List<Long>> arrayArrayOfInteger) {
     this.arrayArrayOfInteger = arrayArrayOfInteger;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ArrayTest arrayArrayOfModel(List<List<ReadOnlyFirst>> arrayArrayOfModel) {
+    this.arrayArrayOfModel = arrayArrayOfModel;
+    return this;
+  }
+
+   /**
+   * Get arrayArrayOfModel
+   * @return arrayArrayOfModel
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<List<ReadOnlyFirst>> getArrayArrayOfModel() {
     return arrayArrayOfModel;
   }
+
   public void setArrayArrayOfModel(List<List<ReadOnlyFirst>> arrayArrayOfModel) {
     this.arrayArrayOfModel = arrayArrayOfModel;
   }
 
+  public ArrayTest arrayOfEnum(List<ArrayOfEnumEnum> arrayOfEnum) {
+    this.arrayOfEnum = arrayOfEnum;
+    return this;
+  }
+
+   /**
+   * Get arrayOfEnum
+   * @return arrayOfEnum
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public List<ArrayOfEnumEnum> getArrayOfEnum() {
+    return arrayOfEnum;
+  }
+
+  public void setArrayOfEnum(List<ArrayOfEnumEnum> arrayOfEnum) {
+    this.arrayOfEnum = arrayOfEnum;
+  }
+
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -63,14 +155,15 @@ public class ArrayTest   {
       return false;
     }
     ArrayTest arrayTest = (ArrayTest) o;
-    return Objects.equals(arrayOfString, arrayTest.arrayOfString) &&
-        Objects.equals(arrayArrayOfInteger, arrayTest.arrayArrayOfInteger) &&
-        Objects.equals(arrayArrayOfModel, arrayTest.arrayArrayOfModel);
+    return Objects.equals(this.arrayOfString, arrayTest.arrayOfString) &&
+        Objects.equals(this.arrayArrayOfInteger, arrayTest.arrayArrayOfInteger) &&
+        Objects.equals(this.arrayArrayOfModel, arrayTest.arrayArrayOfModel) &&
+        Objects.equals(this.arrayOfEnum, arrayTest.arrayOfEnum);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(arrayOfString, arrayArrayOfInteger, arrayArrayOfModel);
+    return Objects.hash(arrayOfString, arrayArrayOfInteger, arrayArrayOfModel, arrayOfEnum);
   }
 
   @Override
@@ -81,6 +174,7 @@ public class ArrayTest   {
     sb.append("    arrayOfString: ").append(toIndentedString(arrayOfString)).append("\n");
     sb.append("    arrayArrayOfInteger: ").append(toIndentedString(arrayArrayOfInteger)).append("\n");
     sb.append("    arrayArrayOfModel: ").append(toIndentedString(arrayArrayOfModel)).append("\n");
+    sb.append("    arrayOfEnum: ").append(toIndentedString(arrayOfEnum)).append("\n");
     sb.append("}");
     return sb.toString();
   }
@@ -89,10 +183,11 @@ public class ArrayTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Cat.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Cat
+ */
 
 public class Cat extends Animal  {
-  
   @SerializedName("className")
   private String className = null;
 
@@ -22,39 +46,63 @@ public class Cat extends Animal  {
   @SerializedName("declawed")
   private Boolean declawed = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Cat className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Cat color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Cat declawed(Boolean declawed) {
+    this.declawed = declawed;
+    return this;
+  }
+
+   /**
+   * Get declawed
+   * @return declawed
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Boolean getDeclawed() {
     return declawed;
   }
+
   public void setDeclawed(Boolean declawed) {
     this.declawed = declawed;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -62,14 +110,15 @@ public class Cat extends Animal  {
       return false;
     }
     Cat cat = (Cat) o;
-    return Objects.equals(className, cat.className) &&
-        Objects.equals(color, cat.color) &&
-        Objects.equals(declawed, cat.declawed);
+    return Objects.equals(this.className, cat.className) &&
+        Objects.equals(this.color, cat.color) &&
+        Objects.equals(this.declawed, cat.declawed) &&
+        super.equals(o);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(className, color, declawed);
+    return Objects.hash(className, color, declawed, super.hashCode());
   }
 
   @Override
@@ -88,10 +137,11 @@ public class Cat extends Animal  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Category.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Category
+ */
 
 public class Category   {
-  
   @SerializedName("id")
   private Long id = null;
 
   @SerializedName("name")
   private String name = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Category id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Category name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Category   {
       return false;
     }
     Category category = (Category) o;
-    return Objects.equals(id, category.id) &&
-        Objects.equals(name, category.name);
+    return Objects.equals(this.id, category.id) &&
+        Objects.equals(this.name, category.name);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Category   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Dog.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Dog
+ */
 
 public class Dog extends Animal  {
-  
   @SerializedName("className")
   private String className = null;
 
@@ -22,39 +46,63 @@ public class Dog extends Animal  {
   @SerializedName("breed")
   private String breed = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Dog className(String className) {
+    this.className = className;
+    return this;
+  }
+
+   /**
+   * Get className
+   * @return className
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getClassName() {
     return className;
   }
+
   public void setClassName(String className) {
     this.className = className;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Dog color(String color) {
+    this.color = color;
+    return this;
+  }
+
+   /**
+   * Get color
+   * @return color
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getColor() {
     return color;
   }
+
   public void setColor(String color) {
     this.color = color;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Dog breed(String breed) {
+    this.breed = breed;
+    return this;
+  }
+
+   /**
+   * Get breed
+   * @return breed
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBreed() {
     return breed;
   }
+
   public void setBreed(String breed) {
     this.breed = breed;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -62,14 +110,15 @@ public class Dog extends Animal  {
       return false;
     }
     Dog dog = (Dog) o;
-    return Objects.equals(className, dog.className) &&
-        Objects.equals(color, dog.color) &&
-        Objects.equals(breed, dog.breed);
+    return Objects.equals(this.className, dog.className) &&
+        Objects.equals(this.color, dog.color) &&
+        Objects.equals(this.breed, dog.breed) &&
+        super.equals(o);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(className, color, breed);
+    return Objects.hash(className, color, breed, super.hashCode());
   }
 
   @Override
@@ -88,10 +137,11 @@ public class Dog extends Animal  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/EnumClass.java

@@ -1,50 +1,57 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
-
 import com.google.gson.annotations.SerializedName;
 
 
-
-
-
-public class EnumClass   {
+/**
+ * Gets or Sets EnumClass
+ */
+public enum EnumClass {
   
+  @SerializedName("_abc")
+  _ABC("_abc"),
+  
+  @SerializedName("-efg")
+  _EFG("-efg"),
+  
+  @SerializedName("(xyz)")
+  _XYZ_("(xyz)");
 
-  @Override
-  public boolean equals(Object o) {
-    if (this == o) {
-      return true;
-    }
-    if (o == null || getClass() != o.getClass()) {
-      return false;
-    }
-    EnumClass enumClass = (EnumClass) o;
-    return true;
-  }
+  private String value;
 
-  @Override
-  public int hashCode() {
-    return Objects.hash();
+  EnumClass(String value) {
+    this.value = value;
   }
 
   @Override
   public String toString() {
-    StringBuilder sb = new StringBuilder();
-    sb.append("class EnumClass {\n");
-    
-    sb.append("}");
-    return sb.toString();
-  }
-
-  /**
-   * Convert the given object to string with each line indented by 4 spaces
-   * (except the first line).
-   */
-  private String toIndentedString(Object o) {
-    if (o == null) {
-      return "null";
-    }
-    return o.toString().replace("\n", "\n    ");
+    return String.valueOf(value);
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/EnumTest.java

@@ -1,25 +1,48 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * EnumTest
+ */
 
 public class EnumTest   {
-  
-
   /**
    * Gets or Sets enumString
    */
   public enum EnumStringEnum {
     @SerializedName("UPPER")
     UPPER("UPPER"),
-
+    
     @SerializedName("lower")
     LOWER("lower");
 
@@ -38,14 +61,13 @@ public class EnumTest   {
   @SerializedName("enum_string")
   private EnumStringEnum enumString = null;
 
-
   /**
    * Gets or Sets enumInteger
    */
   public enum EnumIntegerEnum {
     @SerializedName("1")
     NUMBER_1(1),
-
+    
     @SerializedName("-1")
     NUMBER_MINUS_1(-1);
 
@@ -64,14 +86,13 @@ public class EnumTest   {
   @SerializedName("enum_integer")
   private EnumIntegerEnum enumInteger = null;
 
-
   /**
    * Gets or Sets enumNumber
    */
   public enum EnumNumberEnum {
     @SerializedName("1.1")
     NUMBER_1_DOT_1(1.1),
-
+    
     @SerializedName("-1.2")
     NUMBER_MINUS_1_DOT_2(-1.2);
 
@@ -90,39 +111,63 @@ public class EnumTest   {
   @SerializedName("enum_number")
   private EnumNumberEnum enumNumber = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumString(EnumStringEnum enumString) {
+    this.enumString = enumString;
+    return this;
+  }
+
+   /**
+   * Get enumString
+   * @return enumString
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumStringEnum getEnumString() {
     return enumString;
   }
+
   public void setEnumString(EnumStringEnum enumString) {
     this.enumString = enumString;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumInteger(EnumIntegerEnum enumInteger) {
+    this.enumInteger = enumInteger;
+    return this;
+  }
+
+   /**
+   * Get enumInteger
+   * @return enumInteger
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumIntegerEnum getEnumInteger() {
     return enumInteger;
   }
+
   public void setEnumInteger(EnumIntegerEnum enumInteger) {
     this.enumInteger = enumInteger;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public EnumTest enumNumber(EnumNumberEnum enumNumber) {
+    this.enumNumber = enumNumber;
+    return this;
+  }
+
+   /**
+   * Get enumNumber
+   * @return enumNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public EnumNumberEnum getEnumNumber() {
     return enumNumber;
   }
+
   public void setEnumNumber(EnumNumberEnum enumNumber) {
     this.enumNumber = enumNumber;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -130,9 +175,9 @@ public class EnumTest   {
       return false;
     }
     EnumTest enumTest = (EnumTest) o;
-    return Objects.equals(enumString, enumTest.enumString) &&
-        Objects.equals(enumInteger, enumTest.enumInteger) &&
-        Objects.equals(enumNumber, enumTest.enumNumber);
+    return Objects.equals(this.enumString, enumTest.enumString) &&
+        Objects.equals(this.enumInteger, enumTest.enumInteger) &&
+        Objects.equals(this.enumNumber, enumTest.enumNumber);
   }
 
   @Override
@@ -156,10 +201,11 @@ public class EnumTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/FormatTest.java

@@ -1,20 +1,44 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import java.math.BigDecimal;
 import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * FormatTest
+ */
 
 public class FormatTest   {
-  
   @SerializedName("integer")
   private Integer integer = null;
 
@@ -54,149 +78,253 @@ public class FormatTest   {
   @SerializedName("password")
   private String password = null;
 
-  /**
+  public FormatTest integer(Integer integer) {
+    this.integer = integer;
+    return this;
+  }
+
+   /**
+   * Get integer
    * minimum: 10.0
    * maximum: 100.0
-   **/
-  @ApiModelProperty(value = "")
+   * @return integer
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getInteger() {
     return integer;
   }
+
   public void setInteger(Integer integer) {
     this.integer = integer;
   }
 
-  /**
+  public FormatTest int32(Integer int32) {
+    this.int32 = int32;
+    return this;
+  }
+
+   /**
+   * Get int32
    * minimum: 20.0
    * maximum: 200.0
-   **/
-  @ApiModelProperty(value = "")
+   * @return int32
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getInt32() {
     return int32;
   }
+
   public void setInt32(Integer int32) {
     this.int32 = int32;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest int64(Long int64) {
+    this.int64 = int64;
+    return this;
+  }
+
+   /**
+   * Get int64
+   * @return int64
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getInt64() {
     return int64;
   }
+
   public void setInt64(Long int64) {
     this.int64 = int64;
   }
 
-  /**
+  public FormatTest number(BigDecimal number) {
+    this.number = number;
+    return this;
+  }
+
+   /**
+   * Get number
    * minimum: 32.1
    * maximum: 543.2
-   **/
-  @ApiModelProperty(required = true, value = "")
+   * @return number
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public BigDecimal getNumber() {
     return number;
   }
+
   public void setNumber(BigDecimal number) {
     this.number = number;
   }
 
-  /**
+  public FormatTest _float(Float _float) {
+    this._float = _float;
+    return this;
+  }
+
+   /**
+   * Get _float
    * minimum: 54.3
    * maximum: 987.6
-   **/
-  @ApiModelProperty(value = "")
+   * @return _float
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Float getFloat() {
     return _float;
   }
+
   public void setFloat(Float _float) {
     this._float = _float;
   }
 
-  /**
+  public FormatTest _double(Double _double) {
+    this._double = _double;
+    return this;
+  }
+
+   /**
+   * Get _double
    * minimum: 67.8
    * maximum: 123.4
-   **/
-  @ApiModelProperty(value = "")
+   * @return _double
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Double getDouble() {
     return _double;
   }
+
   public void setDouble(Double _double) {
     this._double = _double;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest string(String string) {
+    this.string = string;
+    return this;
+  }
+
+   /**
+   * Get string
+   * @return string
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getString() {
     return string;
   }
+
   public void setString(String string) {
     this.string = string;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest _byte(byte[] _byte) {
+    this._byte = _byte;
+    return this;
+  }
+
+   /**
+   * Get _byte
+   * @return _byte
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public byte[] getByte() {
     return _byte;
   }
+
   public void setByte(byte[] _byte) {
     this._byte = _byte;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest binary(byte[] binary) {
+    this.binary = binary;
+    return this;
+  }
+
+   /**
+   * Get binary
+   * @return binary
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public byte[] getBinary() {
     return binary;
   }
+
   public void setBinary(byte[] binary) {
     this.binary = binary;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest date(LocalDate date) {
+    this.date = date;
+    return this;
+  }
+
+   /**
+   * Get date
+   * @return date
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public LocalDate getDate() {
     return date;
   }
+
   public void setDate(LocalDate date) {
     this.date = date;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest dateTime(DateTime dateTime) {
+    this.dateTime = dateTime;
+    return this;
+  }
+
+   /**
+   * Get dateTime
+   * @return dateTime
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getDateTime() {
     return dateTime;
   }
+
   public void setDateTime(DateTime dateTime) {
     this.dateTime = dateTime;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public FormatTest uuid(String uuid) {
+    this.uuid = uuid;
+    return this;
+  }
+
+   /**
+   * Get uuid
+   * @return uuid
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUuid() {
     return uuid;
   }
+
   public void setUuid(String uuid) {
     this.uuid = uuid;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public FormatTest password(String password) {
+    this.password = password;
+    return this;
+  }
+
+   /**
+   * Get password
+   * @return password
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public String getPassword() {
     return password;
   }
+
   public void setPassword(String password) {
     this.password = password;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -204,19 +332,19 @@ public class FormatTest   {
       return false;
     }
     FormatTest formatTest = (FormatTest) o;
-    return Objects.equals(integer, formatTest.integer) &&
-        Objects.equals(int32, formatTest.int32) &&
-        Objects.equals(int64, formatTest.int64) &&
-        Objects.equals(number, formatTest.number) &&
-        Objects.equals(_float, formatTest._float) &&
-        Objects.equals(_double, formatTest._double) &&
-        Objects.equals(string, formatTest.string) &&
-        Objects.equals(_byte, formatTest._byte) &&
-        Objects.equals(binary, formatTest.binary) &&
-        Objects.equals(date, formatTest.date) &&
-        Objects.equals(dateTime, formatTest.dateTime) &&
-        Objects.equals(uuid, formatTest.uuid) &&
-        Objects.equals(password, formatTest.password);
+    return Objects.equals(this.integer, formatTest.integer) &&
+        Objects.equals(this.int32, formatTest.int32) &&
+        Objects.equals(this.int64, formatTest.int64) &&
+        Objects.equals(this.number, formatTest.number) &&
+        Objects.equals(this._float, formatTest._float) &&
+        Objects.equals(this._double, formatTest._double) &&
+        Objects.equals(this.string, formatTest.string) &&
+        Objects.equals(this._byte, formatTest._byte) &&
+        Objects.equals(this.binary, formatTest.binary) &&
+        Objects.equals(this.date, formatTest.date) &&
+        Objects.equals(this.dateTime, formatTest.dateTime) &&
+        Objects.equals(this.uuid, formatTest.uuid) &&
+        Objects.equals(this.password, formatTest.password);
   }
 
   @Override
@@ -250,10 +378,11 @@ public class FormatTest   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/HasOnlyReadOnly.java

@@ -0,0 +1,104 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
+
+/**
+ * HasOnlyReadOnly
+ */
+
+public class HasOnlyReadOnly   {
+  @SerializedName("bar")
+  private String bar = null;
+
+  @SerializedName("foo")
+  private String foo = null;
+
+   /**
+   * Get bar
+   * @return bar
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public String getBar() {
+    return bar;
+  }
+
+   /**
+   * Get foo
+   * @return foo
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public String getFoo() {
+    return foo;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    HasOnlyReadOnly hasOnlyReadOnly = (HasOnlyReadOnly) o;
+    return Objects.equals(this.bar, hasOnlyReadOnly.bar) &&
+        Objects.equals(this.foo, hasOnlyReadOnly.foo);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(bar, foo);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class HasOnlyReadOnly {\n");
+    
+    sb.append("    bar: ").append(toIndentedString(bar)).append("\n");
+    sb.append("    foo: ").append(toIndentedString(foo)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/MapTest.java

@@ -0,0 +1,147 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * MapTest
+ */
+
+public class MapTest   {
+  @SerializedName("map_map_of_string")
+  private Map<String, Map<String, String>> mapMapOfString = new HashMap<String, Map<String, String>>();
+
+  /**
+   * Gets or Sets inner
+   */
+  public enum InnerEnum {
+    @SerializedName("UPPER")
+    UPPER("UPPER"),
+    
+    @SerializedName("lower")
+    LOWER("lower");
+
+    private String value;
+
+    InnerEnum(String value) {
+      this.value = value;
+    }
+
+    @Override
+    public String toString() {
+      return String.valueOf(value);
+    }
+  }
+
+  @SerializedName("map_of_enum_string")
+  private Map<String, InnerEnum> mapOfEnumString = new HashMap<String, InnerEnum>();
+
+  public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
+    this.mapMapOfString = mapMapOfString;
+    return this;
+  }
+
+   /**
+   * Get mapMapOfString
+   * @return mapMapOfString
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public Map<String, Map<String, String>> getMapMapOfString() {
+    return mapMapOfString;
+  }
+
+  public void setMapMapOfString(Map<String, Map<String, String>> mapMapOfString) {
+    this.mapMapOfString = mapMapOfString;
+  }
+
+  public MapTest mapOfEnumString(Map<String, InnerEnum> mapOfEnumString) {
+    this.mapOfEnumString = mapOfEnumString;
+    return this;
+  }
+
+   /**
+   * Get mapOfEnumString
+   * @return mapOfEnumString
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public Map<String, InnerEnum> getMapOfEnumString() {
+    return mapOfEnumString;
+  }
+
+  public void setMapOfEnumString(Map<String, InnerEnum> mapOfEnumString) {
+    this.mapOfEnumString = mapOfEnumString;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    MapTest mapTest = (MapTest) o;
+    return Objects.equals(this.mapMapOfString, mapTest.mapMapOfString) &&
+        Objects.equals(this.mapOfEnumString, mapTest.mapOfEnumString);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(mapMapOfString, mapOfEnumString);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class MapTest {\n");
+    
+    sb.append("    mapMapOfString: ").append(toIndentedString(mapMapOfString)).append("\n");
+    sb.append("    mapOfEnumString: ").append(toIndentedString(mapOfEnumString)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -1,6 +1,32 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Animal;
@@ -9,14 +35,12 @@ import java.util.List;
 import java.util.Map;
 import org.joda.time.DateTime;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * MixedPropertiesAndAdditionalPropertiesClass
+ */
 
 public class MixedPropertiesAndAdditionalPropertiesClass   {
-  
   @SerializedName("uuid")
   private String uuid = null;
 
@@ -26,39 +50,63 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
   @SerializedName("map")
   private Map<String, Animal> map = new HashMap<String, Animal>();
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass uuid(String uuid) {
+    this.uuid = uuid;
+    return this;
+  }
+
+   /**
+   * Get uuid
+   * @return uuid
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUuid() {
     return uuid;
   }
+
   public void setUuid(String uuid) {
     this.uuid = uuid;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass dateTime(DateTime dateTime) {
+    this.dateTime = dateTime;
+    return this;
+  }
+
+   /**
+   * Get dateTime
+   * @return dateTime
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getDateTime() {
     return dateTime;
   }
+
   public void setDateTime(DateTime dateTime) {
     this.dateTime = dateTime;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public MixedPropertiesAndAdditionalPropertiesClass map(Map<String, Animal> map) {
+    this.map = map;
+    return this;
+  }
+
+   /**
+   * Get map
+   * @return map
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Map<String, Animal> getMap() {
     return map;
   }
+
   public void setMap(Map<String, Animal> map) {
     this.map = map;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -66,9 +114,9 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
       return false;
     }
     MixedPropertiesAndAdditionalPropertiesClass mixedPropertiesAndAdditionalPropertiesClass = (MixedPropertiesAndAdditionalPropertiesClass) o;
-    return Objects.equals(uuid, mixedPropertiesAndAdditionalPropertiesClass.uuid) &&
-        Objects.equals(dateTime, mixedPropertiesAndAdditionalPropertiesClass.dateTime) &&
-        Objects.equals(map, mixedPropertiesAndAdditionalPropertiesClass.map);
+    return Objects.equals(this.uuid, mixedPropertiesAndAdditionalPropertiesClass.uuid) &&
+        Objects.equals(this.dateTime, mixedPropertiesAndAdditionalPropertiesClass.dateTime) &&
+        Objects.equals(this.map, mixedPropertiesAndAdditionalPropertiesClass.map);
   }
 
   @Override
@@ -92,10 +140,11 @@ public class MixedPropertiesAndAdditionalPropertiesClass   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Model200Response.java

@@ -1,49 +1,87 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing model name starting with number
- **/
+ */
 @ApiModel(description = "Model for testing model name starting with number")
+
 public class Model200Response   {
-  
   @SerializedName("name")
   private Integer name = null;
 
   @SerializedName("class")
   private String PropertyClass = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Model200Response name(Integer name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getName() {
     return name;
   }
+
   public void setName(Integer name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Model200Response PropertyClass(String PropertyClass) {
+    this.PropertyClass = PropertyClass;
+    return this;
+  }
+
+   /**
+   * Get PropertyClass
+   * @return PropertyClass
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPropertyClass() {
     return PropertyClass;
   }
+
   public void setPropertyClass(String PropertyClass) {
     this.PropertyClass = PropertyClass;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -51,8 +89,8 @@ public class Model200Response   {
       return false;
     }
     Model200Response _200Response = (Model200Response) o;
-    return Objects.equals(name, _200Response.name) &&
-        Objects.equals(PropertyClass, _200Response.PropertyClass);
+    return Objects.equals(this.name, _200Response.name) &&
+        Objects.equals(this.PropertyClass, _200Response.PropertyClass);
   }
 
   @Override
@@ -75,10 +113,11 @@ public class Model200Response   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ModelApiResponse.java

@@ -1,17 +1,41 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ModelApiResponse
+ */
 
 public class ModelApiResponse   {
-  
   @SerializedName("code")
   private Integer code = null;
 
@@ -21,39 +45,63 @@ public class ModelApiResponse   {
   @SerializedName("message")
   private String message = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse code(Integer code) {
+    this.code = code;
+    return this;
+  }
+
+   /**
+   * Get code
+   * @return code
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getCode() {
     return code;
   }
+
   public void setCode(Integer code) {
     this.code = code;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse type(String type) {
+    this.type = type;
+    return this;
+  }
+
+   /**
+   * Get type
+   * @return type
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getType() {
     return type;
   }
+
   public void setType(String type) {
     this.type = type;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelApiResponse message(String message) {
+    this.message = message;
+    return this;
+  }
+
+   /**
+   * Get message
+   * @return message
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getMessage() {
     return message;
   }
+
   public void setMessage(String message) {
     this.message = message;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -61,9 +109,9 @@ public class ModelApiResponse   {
       return false;
     }
     ModelApiResponse _apiResponse = (ModelApiResponse) o;
-    return Objects.equals(code, _apiResponse.code) &&
-        Objects.equals(type, _apiResponse.type) &&
-        Objects.equals(message, _apiResponse.message);
+    return Objects.equals(this.code, _apiResponse.code) &&
+        Objects.equals(this.type, _apiResponse.type) &&
+        Objects.equals(this.message, _apiResponse.message);
   }
 
   @Override
@@ -87,10 +135,11 @@ public class ModelApiResponse   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ModelReturn.java

@@ -1,36 +1,66 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing reserved words
- **/
+ */
 @ApiModel(description = "Model for testing reserved words")
+
 public class ModelReturn   {
-  
   @SerializedName("return")
   private Integer _return = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ModelReturn _return(Integer _return) {
+    this._return = _return;
+    return this;
+  }
+
+   /**
+   * Get _return
+   * @return _return
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getReturn() {
     return _return;
   }
+
   public void setReturn(Integer _return) {
     this._return = _return;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -38,7 +68,7 @@ public class ModelReturn   {
       return false;
     }
     ModelReturn _return = (ModelReturn) o;
-    return Objects.equals(_return, _return._return);
+    return Objects.equals(this._return, _return._return);
   }
 
   @Override
@@ -60,10 +90,11 @@ public class ModelReturn   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Name.java

@@ -1,20 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
 /**
  * Model for testing model name same as property name
- **/
+ */
 @ApiModel(description = "Model for testing model name same as property name")
+
 public class Name   {
-  
   @SerializedName("name")
   private Integer name = null;
 
@@ -27,43 +49,63 @@ public class Name   {
   @SerializedName("123Number")
   private Integer _123Number = null;
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Name name(Integer name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public Integer getName() {
     return name;
   }
+
   public void setName(Integer name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get snakeCase
+   * @return snakeCase
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getSnakeCase() {
     return snakeCase;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Name property(String property) {
+    this.property = property;
+    return this;
+  }
+
+   /**
+   * Get property
+   * @return property
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getProperty() {
     return property;
   }
+
   public void setProperty(String property) {
     this.property = property;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get _123Number
+   * @return _123Number
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer get123Number() {
     return _123Number;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -71,10 +113,10 @@ public class Name   {
       return false;
     }
     Name name = (Name) o;
-    return Objects.equals(name, name.name) &&
-        Objects.equals(snakeCase, name.snakeCase) &&
-        Objects.equals(property, name.property) &&
-        Objects.equals(_123Number, name._123Number);
+    return Objects.equals(this.name, name.name) &&
+        Objects.equals(this.snakeCase, name.snakeCase) &&
+        Objects.equals(this.property, name.property) &&
+        Objects.equals(this._123Number, name._123Number);
   }
 
   @Override
@@ -99,10 +141,11 @@ public class Name   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/NumberOnly.java

@@ -0,0 +1,100 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package io.swagger.client.model;
+
+import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import java.math.BigDecimal;
+
+
+/**
+ * NumberOnly
+ */
+
+public class NumberOnly   {
+  @SerializedName("JustNumber")
+  private BigDecimal justNumber = null;
+
+  public NumberOnly justNumber(BigDecimal justNumber) {
+    this.justNumber = justNumber;
+    return this;
+  }
+
+   /**
+   * Get justNumber
+   * @return justNumber
+  **/
+  @ApiModelProperty(example = "null", value = "")
+  public BigDecimal getJustNumber() {
+    return justNumber;
+  }
+
+  public void setJustNumber(BigDecimal justNumber) {
+    this.justNumber = justNumber;
+  }
+
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    NumberOnly numberOnly = (NumberOnly) o;
+    return Objects.equals(this.justNumber, numberOnly.justNumber);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(justNumber);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class NumberOnly {\n");
+    
+    sb.append("    justNumber: ").append(toIndentedString(justNumber)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Order.java

@@ -1,18 +1,42 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import org.joda.time.DateTime;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Order
+ */
 
 public class Order   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -25,17 +49,16 @@ public class Order   {
   @SerializedName("shipDate")
   private DateTime shipDate = null;
 
-
   /**
    * Order Status
    */
   public enum StatusEnum {
     @SerializedName("placed")
     PLACED("placed"),
-
+    
     @SerializedName("approved")
     APPROVED("approved"),
-
+    
     @SerializedName("delivered")
     DELIVERED("delivered");
 
@@ -57,70 +80,117 @@ public class Order   {
   @SerializedName("complete")
   private Boolean complete = false;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order petId(Long petId) {
+    this.petId = petId;
+    return this;
+  }
+
+   /**
+   * Get petId
+   * @return petId
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getPetId() {
     return petId;
   }
+
   public void setPetId(Long petId) {
     this.petId = petId;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order quantity(Integer quantity) {
+    this.quantity = quantity;
+    return this;
+  }
+
+   /**
+   * Get quantity
+   * @return quantity
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Integer getQuantity() {
     return quantity;
   }
+
   public void setQuantity(Integer quantity) {
     this.quantity = quantity;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order shipDate(DateTime shipDate) {
+    this.shipDate = shipDate;
+    return this;
+  }
+
+   /**
+   * Get shipDate
+   * @return shipDate
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public DateTime getShipDate() {
     return shipDate;
   }
+
   public void setShipDate(DateTime shipDate) {
     this.shipDate = shipDate;
   }
 
-  /**
+  public Order status(StatusEnum status) {
+    this.status = status;
+    return this;
+  }
+
+   /**
    * Order Status
-   **/
-  @ApiModelProperty(value = "Order Status")
+   * @return status
+  **/
+  @ApiModelProperty(example = "null", value = "Order Status")
   public StatusEnum getStatus() {
     return status;
   }
+
   public void setStatus(StatusEnum status) {
     this.status = status;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Order complete(Boolean complete) {
+    this.complete = complete;
+    return this;
+  }
+
+   /**
+   * Get complete
+   * @return complete
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Boolean getComplete() {
     return complete;
   }
+
   public void setComplete(Boolean complete) {
     this.complete = complete;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -128,12 +198,12 @@ public class Order   {
       return false;
     }
     Order order = (Order) o;
-    return Objects.equals(id, order.id) &&
-        Objects.equals(petId, order.petId) &&
-        Objects.equals(quantity, order.quantity) &&
-        Objects.equals(shipDate, order.shipDate) &&
-        Objects.equals(status, order.status) &&
-        Objects.equals(complete, order.complete);
+    return Objects.equals(this.id, order.id) &&
+        Objects.equals(this.petId, order.petId) &&
+        Objects.equals(this.quantity, order.quantity) &&
+        Objects.equals(this.shipDate, order.shipDate) &&
+        Objects.equals(this.status, order.status) &&
+        Objects.equals(this.complete, order.complete);
   }
 
   @Override
@@ -160,10 +230,11 @@ public class Order   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Pet.java

@@ -1,6 +1,32 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import io.swagger.client.model.Category;
@@ -8,14 +34,12 @@ import io.swagger.client.model.Tag;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Pet
+ */
 
 public class Pet   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -31,17 +55,16 @@ public class Pet   {
   @SerializedName("tags")
   private List<Tag> tags = new ArrayList<Tag>();
 
-
   /**
    * pet status in the store
    */
   public enum StatusEnum {
     @SerializedName("available")
     AVAILABLE("available"),
-
+    
     @SerializedName("pending")
     PENDING("pending"),
-
+    
     @SerializedName("sold")
     SOLD("sold");
 
@@ -60,70 +83,117 @@ public class Pet   {
   @SerializedName("status")
   private StatusEnum status = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet category(Category category) {
+    this.category = category;
+    return this;
+  }
+
+   /**
+   * Get category
+   * @return category
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Category getCategory() {
     return category;
   }
+
   public void setCategory(Category category) {
     this.category = category;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Pet name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "doggie", required = true, value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
-  /**
-   **/
-  @ApiModelProperty(required = true, value = "")
+  public Pet photoUrls(List<String> photoUrls) {
+    this.photoUrls = photoUrls;
+    return this;
+  }
+
+   /**
+   * Get photoUrls
+   * @return photoUrls
+  **/
+  @ApiModelProperty(example = "null", required = true, value = "")
   public List<String> getPhotoUrls() {
     return photoUrls;
   }
+
   public void setPhotoUrls(List<String> photoUrls) {
     this.photoUrls = photoUrls;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Pet tags(List<Tag> tags) {
+    this.tags = tags;
+    return this;
+  }
+
+   /**
+   * Get tags
+   * @return tags
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public List<Tag> getTags() {
     return tags;
   }
+
   public void setTags(List<Tag> tags) {
     this.tags = tags;
   }
 
-  /**
+  public Pet status(StatusEnum status) {
+    this.status = status;
+    return this;
+  }
+
+   /**
    * pet status in the store
-   **/
-  @ApiModelProperty(value = "pet status in the store")
+   * @return status
+  **/
+  @ApiModelProperty(example = "null", value = "pet status in the store")
   public StatusEnum getStatus() {
     return status;
   }
+
   public void setStatus(StatusEnum status) {
     this.status = status;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -131,12 +201,12 @@ public class Pet   {
       return false;
     }
     Pet pet = (Pet) o;
-    return Objects.equals(id, pet.id) &&
-        Objects.equals(category, pet.category) &&
-        Objects.equals(name, pet.name) &&
-        Objects.equals(photoUrls, pet.photoUrls) &&
-        Objects.equals(tags, pet.tags) &&
-        Objects.equals(status, pet.status);
+    return Objects.equals(this.id, pet.id) &&
+        Objects.equals(this.category, pet.category) &&
+        Objects.equals(this.name, pet.name) &&
+        Objects.equals(this.photoUrls, pet.photoUrls) &&
+        Objects.equals(this.tags, pet.tags) &&
+        Objects.equals(this.status, pet.status);
   }
 
   @Override
@@ -163,10 +233,11 @@ public class Pet   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/ReadOnlyFirst.java

@@ -1,43 +1,77 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * ReadOnlyFirst
+ */
 
 public class ReadOnlyFirst   {
-  
   @SerializedName("bar")
   private String bar = null;
 
   @SerializedName("baz")
   private String baz = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+   /**
+   * Get bar
+   * @return bar
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBar() {
     return bar;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public ReadOnlyFirst baz(String baz) {
+    this.baz = baz;
+    return this;
+  }
+
+   /**
+   * Get baz
+   * @return baz
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getBaz() {
     return baz;
   }
+
   public void setBaz(String baz) {
     this.baz = baz;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -45,8 +79,8 @@ public class ReadOnlyFirst   {
       return false;
     }
     ReadOnlyFirst readOnlyFirst = (ReadOnlyFirst) o;
-    return Objects.equals(bar, readOnlyFirst.bar) &&
-        Objects.equals(baz, readOnlyFirst.baz);
+    return Objects.equals(this.bar, readOnlyFirst.bar) &&
+        Objects.equals(this.baz, readOnlyFirst.baz);
   }
 
   @Override
@@ -69,10 +103,11 @@ public class ReadOnlyFirst   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/SpecialModelName.java

@@ -1,33 +1,65 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * SpecialModelName
+ */
 
 public class SpecialModelName   {
-  
   @SerializedName("$special[property.name]")
   private Long specialPropertyName = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public SpecialModelName specialPropertyName(Long specialPropertyName) {
+    this.specialPropertyName = specialPropertyName;
+    return this;
+  }
+
+   /**
+   * Get specialPropertyName
+   * @return specialPropertyName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getSpecialPropertyName() {
     return specialPropertyName;
   }
+
   public void setSpecialPropertyName(Long specialPropertyName) {
     this.specialPropertyName = specialPropertyName;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -35,7 +67,7 @@ public class SpecialModelName   {
       return false;
     }
     SpecialModelName specialModelName = (SpecialModelName) o;
-    return Objects.equals(specialPropertyName, specialModelName.specialPropertyName);
+    return Objects.equals(this.specialPropertyName, specialModelName.specialPropertyName);
   }
 
   @Override
@@ -57,10 +89,11 @@ public class SpecialModelName   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/Tag.java

@@ -1,46 +1,86 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * Tag
+ */
 
 public class Tag   {
-  
   @SerializedName("id")
   private Long id = null;
 
   @SerializedName("name")
   private String name = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Tag id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public Tag name(String name) {
+    this.name = name;
+    return this;
+  }
+
+   /**
+   * Get name
+   * @return name
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getName() {
     return name;
   }
+
   public void setName(String name) {
     this.name = name;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -48,8 +88,8 @@ public class Tag   {
       return false;
     }
     Tag tag = (Tag) o;
-    return Objects.equals(id, tag.id) &&
-        Objects.equals(name, tag.name);
+    return Objects.equals(this.id, tag.id) &&
+        Objects.equals(this.name, tag.name);
   }
 
   @Override
@@ -72,10 +112,11 @@ public class Tag   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+

samples/client/petstore/java/retrofit2rx/src/main/java/io/swagger/client/model/User.java

@@ -1,17 +1,41 @@
+/**
+ * Swagger Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * OpenAPI spec version: 1.0.0
+ * Contact: apiteam@swagger.io
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 package io.swagger.client.model;
 
 import java.util.Objects;
+import com.google.gson.annotations.SerializedName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 
-import com.google.gson.annotations.SerializedName;
-
-
-
 
+/**
+ * User
+ */
 
 public class User   {
-  
   @SerializedName("id")
   private Long id = null;
 
@@ -36,90 +60,153 @@ public class User   {
   @SerializedName("userStatus")
   private Integer userStatus = null;
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User id(Long id) {
+    this.id = id;
+    return this;
+  }
+
+   /**
+   * Get id
+   * @return id
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public Long getId() {
     return id;
   }
+
   public void setId(Long id) {
     this.id = id;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User username(String username) {
+    this.username = username;
+    return this;
+  }
+
+   /**
+   * Get username
+   * @return username
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getUsername() {
     return username;
   }
+
   public void setUsername(String username) {
     this.username = username;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User firstName(String firstName) {
+    this.firstName = firstName;
+    return this;
+  }
+
+   /**
+   * Get firstName
+   * @return firstName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getFirstName() {
     return firstName;
   }
+
   public void setFirstName(String firstName) {
     this.firstName = firstName;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User lastName(String lastName) {
+    this.lastName = lastName;
+    return this;
+  }
+
+   /**
+   * Get lastName
+   * @return lastName
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getLastName() {
     return lastName;
   }
+
   public void setLastName(String lastName) {
     this.lastName = lastName;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User email(String email) {
+    this.email = email;
+    return this;
+  }
+
+   /**
+   * Get email
+   * @return email
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getEmail() {
     return email;
   }
+
   public void setEmail(String email) {
     this.email = email;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User password(String password) {
+    this.password = password;
+    return this;
+  }
+
+   /**
+   * Get password
+   * @return password
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPassword() {
     return password;
   }
+
   public void setPassword(String password) {
     this.password = password;
   }
 
-  /**
-   **/
-  @ApiModelProperty(value = "")
+  public User phone(String phone) {
+    this.phone = phone;
+    return this;
+  }
+
+   /**
+   * Get phone
+   * @return phone
+  **/
+  @ApiModelProperty(example = "null", value = "")
   public String getPhone() {
     return phone;
   }
+
   public void setPhone(String phone) {
     this.phone = phone;
   }
 
-  /**
+  public User userStatus(Integer userStatus) {
+    this.userStatus = userStatus;
+    return this;
+  }
+
+   /**
    * User Status
-   **/
-  @ApiModelProperty(value = "User Status")
+   * @return userStatus
+  **/
+  @ApiModelProperty(example = "null", value = "User Status")
   public Integer getUserStatus() {
     return userStatus;
   }
+
   public void setUserStatus(Integer userStatus) {
     this.userStatus = userStatus;
   }
 
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(java.lang.Object o) {
     if (this == o) {
       return true;
     }
@@ -127,14 +214,14 @@ public class User   {
       return false;
     }
     User user = (User) o;
-    return Objects.equals(id, user.id) &&
-        Objects.equals(username, user.username) &&
-        Objects.equals(firstName, user.firstName) &&
-        Objects.equals(lastName, user.lastName) &&
-        Objects.equals(email, user.email) &&
-        Objects.equals(password, user.password) &&
-        Objects.equals(phone, user.phone) &&
-        Objects.equals(userStatus, user.userStatus);
+    return Objects.equals(this.id, user.id) &&
+        Objects.equals(this.username, user.username) &&
+        Objects.equals(this.firstName, user.firstName) &&
+        Objects.equals(this.lastName, user.lastName) &&
+        Objects.equals(this.email, user.email) &&
+        Objects.equals(this.password, user.password) &&
+        Objects.equals(this.phone, user.phone) &&
+        Objects.equals(this.userStatus, user.userStatus);
   }
 
   @Override
@@ -163,10 +250,11 @@ public class User   {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private String toIndentedString(Object o) {
+  private String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
     return o.toString().replace("\n", "\n    ");
   }
 }
+