Ensures a JsonCreator annotated constructor is present if there are required fields, and ensure the getters and setters are properly annotated with required=true / required=false for jaxrs-spec generator. (#19578)

modules/openapi-generator/src/main/resources/JavaJaxRS/spec/pojo.mustache

@@ -34,9 +34,9 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}} {{#vendorExtens
   {{/vendorExtensions.x-field-extra-annotation}}
   private {{#isContainer}}{{#useBeanValidation}}@Valid {{/useBeanValidation}}{{/isContainer}}{{{datatypeWithEnum}}} {{name}}{{#defaultValue}} = {{{.}}}{{/defaultValue}};
   {{/vars}}
+
   {{#generateBuilders}}
   {{^additionalProperties}}
-
   protected {{classname}}({{classname}}Builder<?, ?> b) {
     {{#parent}}
     super(b);
@@ -46,11 +46,33 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}} {{#vendorExtens
     {{/vars}}
   }
 
-  public {{classname}}() {
-  }
   {{/additionalProperties}}
   {{/generateBuilders}}
+  public {{classname}}() {
+  }
 
+  {{#hasRequired}}
+  @JsonCreator
+  public {{classname}}(
+    {{#requiredVars}}
+    @JsonProperty(required = {{required}}, value = "{{baseName}}") {{>beanValidatedType}} {{name}}{{^-last}},{{/-last}}
+    {{/requiredVars}}
+  ) {
+    {{#parent}}
+    super(
+    {{#parentRequiredVars}}
+      {{name}}{{^-last}},{{/-last}}
+    {{/parentRequiredVars}}
+    );
+    {{/parent}}
+    {{#vars}}
+    {{#required}}
+    this.{{name}} = {{name}};
+    {{/required}}
+    {{/vars}}
+  }
+
+  {{/hasRequired}}
   {{#vars}}
   /**
    {{#description}}
@@ -71,12 +93,12 @@ public class {{classname}} {{#parent}}extends {{{.}}}{{/parent}} {{#vendorExtens
   {{#vendorExtensions.x-extra-annotation}}{{{vendorExtensions.x-extra-annotation}}}{{/vendorExtensions.x-extra-annotation}}{{#useSwaggerAnnotations}}
   @ApiModelProperty({{#example}}example = "{{{.}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}value = "{{{description}}}"){{/useSwaggerAnnotations}}{{#useMicroProfileOpenAPIAnnotations}}
   @org.eclipse.microprofile.openapi.annotations.media.Schema({{#example}}example = "{{{.}}}", {{/example}}{{#required}}required = {{required}}, {{/required}}description = "{{{description}}}"){{/useMicroProfileOpenAPIAnnotations}}
-  @JsonProperty("{{baseName}}")
+  @JsonProperty({{#required}}required = {{required}}, value = {{/required}}"{{baseName}}")
   {{#useBeanValidation}}{{>beanValidation}}{{/useBeanValidation}}public {{>beanValidatedType}} {{getter}}() {
     return {{name}};
   }
 
-  @JsonProperty("{{baseName}}")
+  @JsonProperty({{#required}}required = {{required}}, value = {{/required}}"{{baseName}}")
   {{#vendorExtensions.x-setter-extra-annotation}}{{{vendorExtensions.x-setter-extra-annotation}}}
   {{/vendorExtensions.x-setter-extra-annotation}}public void {{setter}}({{{datatypeWithEnum}}} {{name}}) {
     this.{{name}} = {{name}};

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesAnyType.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesAnyType extends HashMap<String, Object> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesAnyType() {
+  }
+
   /**
    **/
   public AdditionalPropertiesAnyType name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesArray.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesArray extends HashMap<String, List> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesArray() {
+  }
+
   /**
    **/
   public AdditionalPropertiesArray name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesBoolean.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesBoolean() {
+  }
+
   /**
    **/
   public AdditionalPropertiesBoolean name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesClass.java

@@ -34,6 +34,9 @@ public class AdditionalPropertiesClass  implements Serializable {
   private Object anytype2;
   private Object anytype3;
 
+  public AdditionalPropertiesClass() {
+  }
+
   /**
    **/
   public AdditionalPropertiesClass mapString(Map<String, String> mapString) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesInteger.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesInteger extends HashMap<String, Integer> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesInteger() {
+  }
+
   /**
    **/
   public AdditionalPropertiesInteger name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesNumber.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesNumber() {
+  }
+
   /**
    **/
   public AdditionalPropertiesNumber name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesObject.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesObject extends HashMap<String, Map> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesObject() {
+  }
+
   /**
    **/
   public AdditionalPropertiesObject name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/AdditionalPropertiesString.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesString extends HashMap<String, String> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesString() {
+  }
+
   /**
    **/
   public AdditionalPropertiesString name(String name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Animal.java

@@ -30,6 +30,16 @@ public class Animal  implements Serializable {
   private String className;
   private String color = "red";
 
+  public Animal() {
+  }
+
+  @JsonCreator
+  public Animal(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    this.className = className;
+  }
+
   /**
    **/
   public Animal className(String className) {
@@ -39,12 +49,12 @@ public class Animal  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   @NotNull public String getClassName() {
     return className;
   }
 
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   public void setClassName(String className) {
     this.className = className;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ArrayOfArrayOfNumberOnly.java

@@ -24,6 +24,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ArrayOfArrayOfNumberOnly  implements Serializable {
   private @Valid List<List<BigDecimal>> arrayArrayNumber = new ArrayList<>();
 
+  public ArrayOfArrayOfNumberOnly() {
+  }
+
   /**
    **/
   public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ArrayOfNumberOnly.java

@@ -24,6 +24,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ArrayOfNumberOnly  implements Serializable {
   private @Valid List<BigDecimal> arrayNumber = new ArrayList<>();
 
+  public ArrayOfNumberOnly() {
+  }
+
   /**
    **/
   public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ArrayTest.java

@@ -26,6 +26,9 @@ public class ArrayTest  implements Serializable {
   private @Valid List<List<Long>> arrayArrayOfInteger = new ArrayList<>();
   private @Valid List<List<@Valid ReadOnlyFirst>> arrayArrayOfModel = new ArrayList<>();
 
+  public ArrayTest() {
+  }
+
   /**
    **/
   public ArrayTest arrayOfString(List<String> arrayOfString) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/BigCat.java

@@ -68,6 +68,18 @@ public class BigCat extends Cat implements Serializable {
 
   private KindEnum kind;
 
+  public BigCat() {
+  }
+
+  @JsonCreator
+  public BigCat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public BigCat kind(KindEnum kind) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Capitalization.java

@@ -25,6 +25,9 @@ public class Capitalization  implements Serializable {
   private String scAETHFlowPoints;
   private String ATT_NAME;
 
+  public Capitalization() {
+  }
+
   /**
    **/
   public Capitalization smallCamel(String smallCamel) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Cat.java

@@ -21,6 +21,18 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Cat extends Animal implements Serializable {
   private Boolean declawed;
 
+  public Cat() {
+  }
+
+  @JsonCreator
+  public Cat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Cat declawed(Boolean declawed) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Category.java

@@ -21,6 +21,16 @@ public class Category  implements Serializable {
   private Long id;
   private String name = "default-name";
 
+  public Category() {
+  }
+
+  @JsonCreator
+  public Category(
+    @JsonProperty(required = true, value = "name") String name
+  ) {
+    this.name = name;
+  }
+
   /**
    **/
   public Category id(Long id) {
@@ -49,12 +59,12 @@ public class Category  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public String getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(String name) {
     this.name = name;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ClassModel.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ClassModel  implements Serializable {
   private String propertyClass;
 
+  public ClassModel() {
+  }
+
   /**
    **/
   public ClassModel propertyClass(String propertyClass) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Client.java

@@ -20,6 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Client  implements Serializable {
   private String client;
 
+  public Client() {
+  }
+
   /**
    **/
   public Client client(String client) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Dog.java

@@ -21,6 +21,18 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Dog extends Animal implements Serializable {
   private String breed;
 
+  public Dog() {
+  }
+
+  @JsonCreator
+  public Dog(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Dog breed(String breed) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/EnumArrays.java

@@ -118,6 +118,9 @@ public class EnumArrays  implements Serializable {
 
   private @Valid List<ArrayEnumEnum> arrayEnum = new ArrayList<>();
 
+  public EnumArrays() {
+  }
+
   /**
    **/
   public EnumArrays justSymbol(JustSymbolEnum justSymbol) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/EnumTest.java

@@ -214,6 +214,16 @@ public class EnumTest  implements Serializable {
   private EnumNumberEnum enumNumber;
   private OuterEnum outerEnum;
 
+  public EnumTest() {
+  }
+
+  @JsonCreator
+  public EnumTest(
+    @JsonProperty(required = true, value = "enum_string_required") EnumStringRequiredEnum enumStringRequired
+  ) {
+    this.enumStringRequired = enumStringRequired;
+  }
+
   /**
    **/
   public EnumTest enumString(EnumStringEnum enumString) {
@@ -242,12 +252,12 @@ public class EnumTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   @NotNull public EnumStringRequiredEnum getEnumStringRequired() {
     return enumStringRequired;
   }
 
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   public void setEnumStringRequired(EnumStringRequiredEnum enumStringRequired) {
     this.enumStringRequired = enumStringRequired;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/FileSchemaTestClass.java

@@ -25,6 +25,9 @@ public class FileSchemaTestClass  implements Serializable {
   private ModelFile _file;
   private @Valid List<@Valid ModelFile> files = new ArrayList<>();
 
+  public FileSchemaTestClass() {
+  }
+
   /**
    **/
   public FileSchemaTestClass _file(ModelFile _file) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/FormatTest.java

@@ -40,6 +40,22 @@ public class FormatTest  implements Serializable {
   private String password;
   private BigDecimal bigDecimal;
 
+  public FormatTest() {
+  }
+
+  @JsonCreator
+  public FormatTest(
+    @JsonProperty(required = true, value = "number") BigDecimal number,
+    @JsonProperty(required = true, value = "byte") byte[] _byte,
+    @JsonProperty(required = true, value = "date") LocalDate date,
+    @JsonProperty(required = true, value = "password") String password
+  ) {
+    this.number = number;
+    this._byte = _byte;
+    this.date = date;
+    this.password = password;
+  }
+
   /**
    * minimum: 10
    * maximum: 100
@@ -112,12 +128,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("number")
+  @JsonProperty(required = true, value = "number")
   @NotNull @Valid  @DecimalMin("32.1") @DecimalMax("543.2")public BigDecimal getNumber() {
     return number;
   }
 
-  @JsonProperty("number")
+  @JsonProperty(required = true, value = "number")
   public void setNumber(BigDecimal number) {
     this.number = number;
   }
@@ -192,12 +208,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("byte")
+  @JsonProperty(required = true, value = "byte")
   @NotNull  @Pattern(regexp="^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$")public byte[] getByte() {
     return _byte;
   }
 
-  @JsonProperty("byte")
+  @JsonProperty(required = true, value = "byte")
   public void setByte(byte[] _byte) {
     this._byte = _byte;
   }
@@ -230,12 +246,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("date")
+  @JsonProperty(required = true, value = "date")
   @NotNull public LocalDate getDate() {
     return date;
   }
 
-  @JsonProperty("date")
+  @JsonProperty(required = true, value = "date")
   public void setDate(LocalDate date) {
     this.date = date;
   }
@@ -287,12 +303,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("password")
+  @JsonProperty(required = true, value = "password")
   @NotNull  @Size(min=10,max=64)public String getPassword() {
     return password;
   }
 
-  @JsonProperty("password")
+  @JsonProperty(required = true, value = "password")
   public void setPassword(String password) {
     this.password = password;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/HasOnlyReadOnly.java

@@ -22,6 +22,9 @@ public class HasOnlyReadOnly  implements Serializable {
   private String bar;
   private String foo;
 
+  public HasOnlyReadOnly() {
+  }
+
   /**
    **/
   public HasOnlyReadOnly bar(String bar) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/MapTest.java

@@ -72,6 +72,9 @@ public class MapTest  implements Serializable {
   private @Valid Map<String, Boolean> directMap = new HashMap<>();
   private @Valid Map<String, Boolean> indirectMap = new HashMap<>();
 
+  public MapTest() {
+  }
+
   /**
    **/
   public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -27,6 +27,9 @@ public class MixedPropertiesAndAdditionalPropertiesClass  implements Serializabl
   private Date dateTime;
   private @Valid Map<String, Animal> map = new HashMap<>();
 
+  public MixedPropertiesAndAdditionalPropertiesClass() {
+  }
+
   /**
    **/
   public MixedPropertiesAndAdditionalPropertiesClass uuid(UUID uuid) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Model200Response.java

@@ -24,6 +24,9 @@ public class Model200Response  implements Serializable {
   private Integer name;
   private String propertyClass;
 
+  public Model200Response() {
+  }
+
   /**
    **/
   public Model200Response name(Integer name) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ModelApiResponse.java

@@ -23,6 +23,9 @@ public class ModelApiResponse  implements Serializable {
   private String type;
   private String message;
 
+  public ModelApiResponse() {
+  }
+
   /**
    **/
   public ModelApiResponse code(Integer code) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ModelFile.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelFile  implements Serializable {
   private String sourceURI;
 
+  public ModelFile() {
+  }
+
   /**
    * Test capitalization
    **/

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ModelList.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelList  implements Serializable {
   private String _123list;
 
+  public ModelList() {
+  }
+
   /**
    **/
   public ModelList _123list(String _123list) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ModelReturn.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelReturn  implements Serializable {
   private Integer _return;
 
+  public ModelReturn() {
+  }
+
   /**
    **/
   public ModelReturn _return(Integer _return) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Name.java

@@ -25,6 +25,16 @@ public class Name  implements Serializable {
   private String property;
   private Integer _123number;
 
+  public Name() {
+  }
+
+  @JsonCreator
+  public Name(
+    @JsonProperty(required = true, value = "name") Integer name
+  ) {
+    this.name = name;
+  }
+
   /**
    **/
   public Name name(Integer name) {
@@ -34,12 +44,12 @@ public class Name  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public Integer getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(Integer name) {
     this.name = name;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/NumberOnly.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class NumberOnly  implements Serializable {
   private BigDecimal justNumber;
 
+  public NumberOnly() {
+  }
+
   /**
    **/
   public NumberOnly justNumber(BigDecimal justNumber) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Order.java

@@ -73,6 +73,9 @@ public class Order  implements Serializable {
   private StatusEnum status;
   private Boolean complete = false;
 
+  public Order() {
+  }
+
   /**
    **/
   public Order id(Long id) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/OuterComposite.java

@@ -23,6 +23,9 @@ public class OuterComposite  implements Serializable {
   private String myString;
   private Boolean myBoolean;
 
+  public OuterComposite() {
+  }
+
   /**
    **/
   public OuterComposite myNumber(BigDecimal myNumber) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Pet.java

@@ -80,6 +80,18 @@ public class Pet  implements Serializable {
 
   private StatusEnum status;
 
+  public Pet() {
+  }
+
+  @JsonCreator
+  public Pet(
+    @JsonProperty(required = true, value = "name") String name,
+    @JsonProperty(required = true, value = "photoUrls") Set<String> photoUrls
+  ) {
+    this.name = name;
+    this.photoUrls = photoUrls;
+  }
+
   /**
    **/
   public Pet id(Long id) {
@@ -127,12 +139,12 @@ public class Pet  implements Serializable {
 
   
   @ApiModelProperty(example = "doggie", required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public String getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(String name) {
     this.name = name;
   }
@@ -146,12 +158,12 @@ public class Pet  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("photoUrls")
+  @JsonProperty(required = true, value = "photoUrls")
   @NotNull public Set<String> getPhotoUrls() {
     return photoUrls;
   }
 
-  @JsonProperty("photoUrls")
+  @JsonProperty(required = true, value = "photoUrls")
   @JsonDeserialize(as = LinkedHashSet.class)
   public void setPhotoUrls(Set<String> photoUrls) {
     this.photoUrls = photoUrls;

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/ReadOnlyFirst.java

@@ -21,6 +21,9 @@ public class ReadOnlyFirst  implements Serializable {
   private String bar;
   private String baz;
 
+  public ReadOnlyFirst() {
+  }
+
   /**
    **/
   public ReadOnlyFirst bar(String bar) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/SpecialModelName.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class SpecialModelName  implements Serializable {
   private Long $specialPropertyName;
 
+  public SpecialModelName() {
+  }
+
   /**
    **/
   public SpecialModelName $specialPropertyName(Long $specialPropertyName) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/Tag.java

@@ -21,6 +21,9 @@ public class Tag  implements Serializable {
   private Long id;
   private String name;
 
+  public Tag() {
+  }
+
   /**
    **/
   public Tag id(Long id) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/TypeHolderDefault.java

@@ -28,6 +28,24 @@ public class TypeHolderDefault  implements Serializable {
   private Boolean boolItem = true;
   private @Valid List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderDefault() {
+  }
+
+  @JsonCreator
+  public TypeHolderDefault(
+    @JsonProperty(required = true, value = "string_item") String stringItem,
+    @JsonProperty(required = true, value = "number_item") BigDecimal numberItem,
+    @JsonProperty(required = true, value = "integer_item") Integer integerItem,
+    @JsonProperty(required = true, value = "bool_item") Boolean boolItem,
+    @JsonProperty(required = true, value = "array_item") List<Integer> arrayItem
+  ) {
+    this.stringItem = stringItem;
+    this.numberItem = numberItem;
+    this.integerItem = integerItem;
+    this.boolItem = boolItem;
+    this.arrayItem = arrayItem;
+  }
+
   /**
    **/
   public TypeHolderDefault stringItem(String stringItem) {
@@ -37,12 +55,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   @NotNull public String getStringItem() {
     return stringItem;
   }
 
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   public void setStringItem(String stringItem) {
     this.stringItem = stringItem;
   }
@@ -56,12 +74,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   @NotNull @Valid public BigDecimal getNumberItem() {
     return numberItem;
   }
 
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   public void setNumberItem(BigDecimal numberItem) {
     this.numberItem = numberItem;
   }
@@ -75,12 +93,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   @NotNull public Integer getIntegerItem() {
     return integerItem;
   }
 
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   public void setIntegerItem(Integer integerItem) {
     this.integerItem = integerItem;
   }
@@ -94,12 +112,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   @NotNull public Boolean getBoolItem() {
     return boolItem;
   }
 
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   public void setBoolItem(Boolean boolItem) {
     this.boolItem = boolItem;
   }
@@ -113,12 +131,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   @NotNull public List<Integer> getArrayItem() {
     return arrayItem;
   }
 
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   public void setArrayItem(List<Integer> arrayItem) {
     this.arrayItem = arrayItem;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/TypeHolderExample.java

@@ -29,6 +29,26 @@ public class TypeHolderExample  implements Serializable {
   private Boolean boolItem;
   private @Valid List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderExample() {
+  }
+
+  @JsonCreator
+  public TypeHolderExample(
+    @JsonProperty(required = true, value = "string_item") String stringItem,
+    @JsonProperty(required = true, value = "number_item") BigDecimal numberItem,
+    @JsonProperty(required = true, value = "float_item") Float floatItem,
+    @JsonProperty(required = true, value = "integer_item") Integer integerItem,
+    @JsonProperty(required = true, value = "bool_item") Boolean boolItem,
+    @JsonProperty(required = true, value = "array_item") List<Integer> arrayItem
+  ) {
+    this.stringItem = stringItem;
+    this.numberItem = numberItem;
+    this.floatItem = floatItem;
+    this.integerItem = integerItem;
+    this.boolItem = boolItem;
+    this.arrayItem = arrayItem;
+  }
+
   /**
    **/
   public TypeHolderExample stringItem(String stringItem) {
@@ -38,12 +58,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "what", required = true, value = "")
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   @NotNull public String getStringItem() {
     return stringItem;
   }
 
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   public void setStringItem(String stringItem) {
     this.stringItem = stringItem;
   }
@@ -57,12 +77,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "1.234", required = true, value = "")
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   @NotNull @Valid public BigDecimal getNumberItem() {
     return numberItem;
   }
 
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   public void setNumberItem(BigDecimal numberItem) {
     this.numberItem = numberItem;
   }
@@ -76,12 +96,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "1.234", required = true, value = "")
-  @JsonProperty("float_item")
+  @JsonProperty(required = true, value = "float_item")
   @NotNull public Float getFloatItem() {
     return floatItem;
   }
 
-  @JsonProperty("float_item")
+  @JsonProperty(required = true, value = "float_item")
   public void setFloatItem(Float floatItem) {
     this.floatItem = floatItem;
   }
@@ -95,12 +115,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "-2", required = true, value = "")
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   @NotNull public Integer getIntegerItem() {
     return integerItem;
   }
 
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   public void setIntegerItem(Integer integerItem) {
     this.integerItem = integerItem;
   }
@@ -114,12 +134,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "true", required = true, value = "")
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   @NotNull public Boolean getBoolItem() {
     return boolItem;
   }
 
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   public void setBoolItem(Boolean boolItem) {
     this.boolItem = boolItem;
   }
@@ -133,12 +153,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   @NotNull public List<Integer> getArrayItem() {
     return arrayItem;
   }
 
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   public void setArrayItem(List<Integer> arrayItem) {
     this.arrayItem = arrayItem;
   }

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/User.java

@@ -27,6 +27,9 @@ public class User  implements Serializable {
   private String phone;
   private Integer userStatus;
 
+  public User() {
+  }
+
   /**
    **/
   public User id(Long id) {

samples/server/petstore/jaxrs-spec-interface-response/src/gen/java/org/openapitools/model/XmlItem.java

@@ -52,6 +52,9 @@ public class XmlItem  implements Serializable {
   private @Valid List<Integer> prefixNsArray = new ArrayList<>();
   private @Valid List<Integer> prefixNsWrappedArray = new ArrayList<>();
 
+  public XmlItem() {
+  }
+
   /**
    **/
   public XmlItem attributeString(String attributeString) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesAnyType.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesAnyType extends HashMap<String, Object> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesAnyType() {
+  }
+
   /**
    **/
   public AdditionalPropertiesAnyType name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesArray.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesArray extends HashMap<String, List> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesArray() {
+  }
+
   /**
    **/
   public AdditionalPropertiesArray name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesBoolean.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesBoolean() {
+  }
+
   /**
    **/
   public AdditionalPropertiesBoolean name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesClass.java

@@ -34,6 +34,9 @@ public class AdditionalPropertiesClass  implements Serializable {
   private Object anytype2;
   private Object anytype3;
 
+  public AdditionalPropertiesClass() {
+  }
+
   /**
    **/
   public AdditionalPropertiesClass mapString(Map<String, String> mapString) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesInteger.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesInteger extends HashMap<String, Integer> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesInteger() {
+  }
+
   /**
    **/
   public AdditionalPropertiesInteger name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesNumber.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesNumber() {
+  }
+
   /**
    **/
   public AdditionalPropertiesNumber name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesObject.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesObject extends HashMap<String, Map> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesObject() {
+  }
+
   /**
    **/
   public AdditionalPropertiesObject name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/AdditionalPropertiesString.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesString extends HashMap<String, String> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesString() {
+  }
+
   /**
    **/
   public AdditionalPropertiesString name(String name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Animal.java

@@ -30,6 +30,16 @@ public class Animal  implements Serializable {
   private String className;
   private String color = "red";
 
+  public Animal() {
+  }
+
+  @JsonCreator
+  public Animal(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    this.className = className;
+  }
+
   /**
    **/
   public Animal className(String className) {
@@ -39,12 +49,12 @@ public class Animal  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   @NotNull public String getClassName() {
     return className;
   }
 
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   public void setClassName(String className) {
     this.className = className;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ArrayOfArrayOfNumberOnly.java

@@ -24,6 +24,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ArrayOfArrayOfNumberOnly  implements Serializable {
   private @Valid List<List<BigDecimal>> arrayArrayNumber = new ArrayList<>();
 
+  public ArrayOfArrayOfNumberOnly() {
+  }
+
   /**
    **/
   public ArrayOfArrayOfNumberOnly arrayArrayNumber(List<List<BigDecimal>> arrayArrayNumber) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ArrayOfNumberOnly.java

@@ -24,6 +24,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ArrayOfNumberOnly  implements Serializable {
   private @Valid List<BigDecimal> arrayNumber = new ArrayList<>();
 
+  public ArrayOfNumberOnly() {
+  }
+
   /**
    **/
   public ArrayOfNumberOnly arrayNumber(List<BigDecimal> arrayNumber) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ArrayTest.java

@@ -26,6 +26,9 @@ public class ArrayTest  implements Serializable {
   private @Valid List<List<Long>> arrayArrayOfInteger = new ArrayList<>();
   private @Valid List<List<@Valid ReadOnlyFirst>> arrayArrayOfModel = new ArrayList<>();
 
+  public ArrayTest() {
+  }
+
   /**
    **/
   public ArrayTest arrayOfString(List<String> arrayOfString) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/BigCat.java

@@ -68,6 +68,18 @@ public class BigCat extends Cat implements Serializable {
 
   private KindEnum kind;
 
+  public BigCat() {
+  }
+
+  @JsonCreator
+  public BigCat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public BigCat kind(KindEnum kind) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Capitalization.java

@@ -25,6 +25,9 @@ public class Capitalization  implements Serializable {
   private String scAETHFlowPoints;
   private String ATT_NAME;
 
+  public Capitalization() {
+  }
+
   /**
    **/
   public Capitalization smallCamel(String smallCamel) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Cat.java

@@ -21,6 +21,18 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Cat extends Animal implements Serializable {
   private Boolean declawed;
 
+  public Cat() {
+  }
+
+  @JsonCreator
+  public Cat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Cat declawed(Boolean declawed) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Category.java

@@ -21,6 +21,16 @@ public class Category  implements Serializable {
   private Long id;
   private String name = "default-name";
 
+  public Category() {
+  }
+
+  @JsonCreator
+  public Category(
+    @JsonProperty(required = true, value = "name") String name
+  ) {
+    this.name = name;
+  }
+
   /**
    **/
   public Category id(Long id) {
@@ -49,12 +59,12 @@ public class Category  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public String getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(String name) {
     this.name = name;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ClassModel.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ClassModel  implements Serializable {
   private String propertyClass;
 
+  public ClassModel() {
+  }
+
   /**
    **/
   public ClassModel propertyClass(String propertyClass) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Client.java

@@ -20,6 +20,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Client  implements Serializable {
   private String client;
 
+  public Client() {
+  }
+
   /**
    **/
   public Client client(String client) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Dog.java

@@ -21,6 +21,18 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class Dog extends Animal implements Serializable {
   private String breed;
 
+  public Dog() {
+  }
+
+  @JsonCreator
+  public Dog(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Dog breed(String breed) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/EnumArrays.java

@@ -118,6 +118,9 @@ public class EnumArrays  implements Serializable {
 
   private @Valid List<ArrayEnumEnum> arrayEnum = new ArrayList<>();
 
+  public EnumArrays() {
+  }
+
   /**
    **/
   public EnumArrays justSymbol(JustSymbolEnum justSymbol) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/EnumTest.java

@@ -214,6 +214,16 @@ public class EnumTest  implements Serializable {
   private EnumNumberEnum enumNumber;
   private OuterEnum outerEnum;
 
+  public EnumTest() {
+  }
+
+  @JsonCreator
+  public EnumTest(
+    @JsonProperty(required = true, value = "enum_string_required") EnumStringRequiredEnum enumStringRequired
+  ) {
+    this.enumStringRequired = enumStringRequired;
+  }
+
   /**
    **/
   public EnumTest enumString(EnumStringEnum enumString) {
@@ -242,12 +252,12 @@ public class EnumTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   @NotNull public EnumStringRequiredEnum getEnumStringRequired() {
     return enumStringRequired;
   }
 
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   public void setEnumStringRequired(EnumStringRequiredEnum enumStringRequired) {
     this.enumStringRequired = enumStringRequired;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/FileSchemaTestClass.java

@@ -25,6 +25,9 @@ public class FileSchemaTestClass  implements Serializable {
   private ModelFile _file;
   private @Valid List<@Valid ModelFile> files = new ArrayList<>();
 
+  public FileSchemaTestClass() {
+  }
+
   /**
    **/
   public FileSchemaTestClass _file(ModelFile _file) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/FormatTest.java

@@ -40,6 +40,22 @@ public class FormatTest  implements Serializable {
   private String password;
   private BigDecimal bigDecimal;
 
+  public FormatTest() {
+  }
+
+  @JsonCreator
+  public FormatTest(
+    @JsonProperty(required = true, value = "number") BigDecimal number,
+    @JsonProperty(required = true, value = "byte") byte[] _byte,
+    @JsonProperty(required = true, value = "date") LocalDate date,
+    @JsonProperty(required = true, value = "password") String password
+  ) {
+    this.number = number;
+    this._byte = _byte;
+    this.date = date;
+    this.password = password;
+  }
+
   /**
    * minimum: 10
    * maximum: 100
@@ -112,12 +128,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("number")
+  @JsonProperty(required = true, value = "number")
   @NotNull @Valid  @DecimalMin("32.1") @DecimalMax("543.2")public BigDecimal getNumber() {
     return number;
   }
 
-  @JsonProperty("number")
+  @JsonProperty(required = true, value = "number")
   public void setNumber(BigDecimal number) {
     this.number = number;
   }
@@ -192,12 +208,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("byte")
+  @JsonProperty(required = true, value = "byte")
   @NotNull  @Pattern(regexp="^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$")public byte[] getByte() {
     return _byte;
   }
 
-  @JsonProperty("byte")
+  @JsonProperty(required = true, value = "byte")
   public void setByte(byte[] _byte) {
     this._byte = _byte;
   }
@@ -230,12 +246,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("date")
+  @JsonProperty(required = true, value = "date")
   @NotNull public LocalDate getDate() {
     return date;
   }
 
-  @JsonProperty("date")
+  @JsonProperty(required = true, value = "date")
   public void setDate(LocalDate date) {
     this.date = date;
   }
@@ -287,12 +303,12 @@ public class FormatTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("password")
+  @JsonProperty(required = true, value = "password")
   @NotNull  @Size(min=10,max=64)public String getPassword() {
     return password;
   }
 
-  @JsonProperty("password")
+  @JsonProperty(required = true, value = "password")
   public void setPassword(String password) {
     this.password = password;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/HasOnlyReadOnly.java

@@ -22,6 +22,9 @@ public class HasOnlyReadOnly  implements Serializable {
   private String bar;
   private String foo;
 
+  public HasOnlyReadOnly() {
+  }
+
   /**
    **/
   public HasOnlyReadOnly bar(String bar) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/MapTest.java

@@ -72,6 +72,9 @@ public class MapTest  implements Serializable {
   private @Valid Map<String, Boolean> directMap = new HashMap<>();
   private @Valid Map<String, Boolean> indirectMap = new HashMap<>();
 
+  public MapTest() {
+  }
+
   /**
    **/
   public MapTest mapMapOfString(Map<String, Map<String, String>> mapMapOfString) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -27,6 +27,9 @@ public class MixedPropertiesAndAdditionalPropertiesClass  implements Serializabl
   private Date dateTime;
   private @Valid Map<String, Animal> map = new HashMap<>();
 
+  public MixedPropertiesAndAdditionalPropertiesClass() {
+  }
+
   /**
    **/
   public MixedPropertiesAndAdditionalPropertiesClass uuid(UUID uuid) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Model200Response.java

@@ -24,6 +24,9 @@ public class Model200Response  implements Serializable {
   private Integer name;
   private String propertyClass;
 
+  public Model200Response() {
+  }
+
   /**
    **/
   public Model200Response name(Integer name) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ModelApiResponse.java

@@ -23,6 +23,9 @@ public class ModelApiResponse  implements Serializable {
   private String type;
   private String message;
 
+  public ModelApiResponse() {
+  }
+
   /**
    **/
   public ModelApiResponse code(Integer code) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ModelFile.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelFile  implements Serializable {
   private String sourceURI;
 
+  public ModelFile() {
+  }
+
   /**
    * Test capitalization
    **/

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ModelList.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelList  implements Serializable {
   private String _123list;
 
+  public ModelList() {
+  }
+
   /**
    **/
   public ModelList _123list(String _123list) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ModelReturn.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class ModelReturn  implements Serializable {
   private Integer _return;
 
+  public ModelReturn() {
+  }
+
   /**
    **/
   public ModelReturn _return(Integer _return) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Name.java

@@ -25,6 +25,16 @@ public class Name  implements Serializable {
   private String property;
   private Integer _123number;
 
+  public Name() {
+  }
+
+  @JsonCreator
+  public Name(
+    @JsonProperty(required = true, value = "name") Integer name
+  ) {
+    this.name = name;
+  }
+
   /**
    **/
   public Name name(Integer name) {
@@ -34,12 +44,12 @@ public class Name  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public Integer getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(Integer name) {
     this.name = name;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/NumberOnly.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class NumberOnly  implements Serializable {
   private BigDecimal justNumber;
 
+  public NumberOnly() {
+  }
+
   /**
    **/
   public NumberOnly justNumber(BigDecimal justNumber) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Order.java

@@ -73,6 +73,9 @@ public class Order  implements Serializable {
   private StatusEnum status;
   private Boolean complete = false;
 
+  public Order() {
+  }
+
   /**
    **/
   public Order id(Long id) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/OuterComposite.java

@@ -23,6 +23,9 @@ public class OuterComposite  implements Serializable {
   private String myString;
   private Boolean myBoolean;
 
+  public OuterComposite() {
+  }
+
   /**
    **/
   public OuterComposite myNumber(BigDecimal myNumber) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Pet.java

@@ -80,6 +80,18 @@ public class Pet  implements Serializable {
 
   private StatusEnum status;
 
+  public Pet() {
+  }
+
+  @JsonCreator
+  public Pet(
+    @JsonProperty(required = true, value = "name") String name,
+    @JsonProperty(required = true, value = "photoUrls") Set<String> photoUrls
+  ) {
+    this.name = name;
+    this.photoUrls = photoUrls;
+  }
+
   /**
    **/
   public Pet id(Long id) {
@@ -127,12 +139,12 @@ public class Pet  implements Serializable {
 
   
   @ApiModelProperty(example = "doggie", required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public String getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(String name) {
     this.name = name;
   }
@@ -146,12 +158,12 @@ public class Pet  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("photoUrls")
+  @JsonProperty(required = true, value = "photoUrls")
   @NotNull public Set<String> getPhotoUrls() {
     return photoUrls;
   }
 
-  @JsonProperty("photoUrls")
+  @JsonProperty(required = true, value = "photoUrls")
   @JsonDeserialize(as = LinkedHashSet.class)
   public void setPhotoUrls(Set<String> photoUrls) {
     this.photoUrls = photoUrls;

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/ReadOnlyFirst.java

@@ -21,6 +21,9 @@ public class ReadOnlyFirst  implements Serializable {
   private String bar;
   private String baz;
 
+  public ReadOnlyFirst() {
+  }
+
   /**
    **/
   public ReadOnlyFirst bar(String bar) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/SpecialModelName.java

@@ -21,6 +21,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class SpecialModelName  implements Serializable {
   private Long $specialPropertyName;
 
+  public SpecialModelName() {
+  }
+
   /**
    **/
   public SpecialModelName $specialPropertyName(Long $specialPropertyName) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/Tag.java

@@ -21,6 +21,9 @@ public class Tag  implements Serializable {
   private Long id;
   private String name;
 
+  public Tag() {
+  }
+
   /**
    **/
   public Tag id(Long id) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/TypeHolderDefault.java

@@ -28,6 +28,24 @@ public class TypeHolderDefault  implements Serializable {
   private Boolean boolItem = true;
   private @Valid List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderDefault() {
+  }
+
+  @JsonCreator
+  public TypeHolderDefault(
+    @JsonProperty(required = true, value = "string_item") String stringItem,
+    @JsonProperty(required = true, value = "number_item") BigDecimal numberItem,
+    @JsonProperty(required = true, value = "integer_item") Integer integerItem,
+    @JsonProperty(required = true, value = "bool_item") Boolean boolItem,
+    @JsonProperty(required = true, value = "array_item") List<Integer> arrayItem
+  ) {
+    this.stringItem = stringItem;
+    this.numberItem = numberItem;
+    this.integerItem = integerItem;
+    this.boolItem = boolItem;
+    this.arrayItem = arrayItem;
+  }
+
   /**
    **/
   public TypeHolderDefault stringItem(String stringItem) {
@@ -37,12 +55,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   @NotNull public String getStringItem() {
     return stringItem;
   }
 
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   public void setStringItem(String stringItem) {
     this.stringItem = stringItem;
   }
@@ -56,12 +74,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   @NotNull @Valid public BigDecimal getNumberItem() {
     return numberItem;
   }
 
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   public void setNumberItem(BigDecimal numberItem) {
     this.numberItem = numberItem;
   }
@@ -75,12 +93,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   @NotNull public Integer getIntegerItem() {
     return integerItem;
   }
 
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   public void setIntegerItem(Integer integerItem) {
     this.integerItem = integerItem;
   }
@@ -94,12 +112,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   @NotNull public Boolean getBoolItem() {
     return boolItem;
   }
 
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   public void setBoolItem(Boolean boolItem) {
     this.boolItem = boolItem;
   }
@@ -113,12 +131,12 @@ public class TypeHolderDefault  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   @NotNull public List<Integer> getArrayItem() {
     return arrayItem;
   }
 
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   public void setArrayItem(List<Integer> arrayItem) {
     this.arrayItem = arrayItem;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/TypeHolderExample.java

@@ -29,6 +29,26 @@ public class TypeHolderExample  implements Serializable {
   private Boolean boolItem;
   private @Valid List<Integer> arrayItem = new ArrayList<>();
 
+  public TypeHolderExample() {
+  }
+
+  @JsonCreator
+  public TypeHolderExample(
+    @JsonProperty(required = true, value = "string_item") String stringItem,
+    @JsonProperty(required = true, value = "number_item") BigDecimal numberItem,
+    @JsonProperty(required = true, value = "float_item") Float floatItem,
+    @JsonProperty(required = true, value = "integer_item") Integer integerItem,
+    @JsonProperty(required = true, value = "bool_item") Boolean boolItem,
+    @JsonProperty(required = true, value = "array_item") List<Integer> arrayItem
+  ) {
+    this.stringItem = stringItem;
+    this.numberItem = numberItem;
+    this.floatItem = floatItem;
+    this.integerItem = integerItem;
+    this.boolItem = boolItem;
+    this.arrayItem = arrayItem;
+  }
+
   /**
    **/
   public TypeHolderExample stringItem(String stringItem) {
@@ -38,12 +58,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "what", required = true, value = "")
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   @NotNull public String getStringItem() {
     return stringItem;
   }
 
-  @JsonProperty("string_item")
+  @JsonProperty(required = true, value = "string_item")
   public void setStringItem(String stringItem) {
     this.stringItem = stringItem;
   }
@@ -57,12 +77,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "1.234", required = true, value = "")
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   @NotNull @Valid public BigDecimal getNumberItem() {
     return numberItem;
   }
 
-  @JsonProperty("number_item")
+  @JsonProperty(required = true, value = "number_item")
   public void setNumberItem(BigDecimal numberItem) {
     this.numberItem = numberItem;
   }
@@ -76,12 +96,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "1.234", required = true, value = "")
-  @JsonProperty("float_item")
+  @JsonProperty(required = true, value = "float_item")
   @NotNull public Float getFloatItem() {
     return floatItem;
   }
 
-  @JsonProperty("float_item")
+  @JsonProperty(required = true, value = "float_item")
   public void setFloatItem(Float floatItem) {
     this.floatItem = floatItem;
   }
@@ -95,12 +115,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "-2", required = true, value = "")
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   @NotNull public Integer getIntegerItem() {
     return integerItem;
   }
 
-  @JsonProperty("integer_item")
+  @JsonProperty(required = true, value = "integer_item")
   public void setIntegerItem(Integer integerItem) {
     this.integerItem = integerItem;
   }
@@ -114,12 +134,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "true", required = true, value = "")
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   @NotNull public Boolean getBoolItem() {
     return boolItem;
   }
 
-  @JsonProperty("bool_item")
+  @JsonProperty(required = true, value = "bool_item")
   public void setBoolItem(Boolean boolItem) {
     this.boolItem = boolItem;
   }
@@ -133,12 +153,12 @@ public class TypeHolderExample  implements Serializable {
 
   
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   @NotNull public List<Integer> getArrayItem() {
     return arrayItem;
   }
 
-  @JsonProperty("array_item")
+  @JsonProperty(required = true, value = "array_item")
   public void setArrayItem(List<Integer> arrayItem) {
     this.arrayItem = arrayItem;
   }

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/User.java

@@ -27,6 +27,9 @@ public class User  implements Serializable {
   private String phone;
   private Integer userStatus;
 
+  public User() {
+  }
+
   /**
    **/
   public User id(Long id) {

samples/server/petstore/jaxrs-spec-interface/src/gen/java/org/openapitools/model/XmlItem.java

@@ -52,6 +52,9 @@ public class XmlItem  implements Serializable {
   private @Valid List<Integer> prefixNsArray = new ArrayList<>();
   private @Valid List<Integer> prefixNsWrappedArray = new ArrayList<>();
 
+  public XmlItem() {
+  }
+
   /**
    **/
   public XmlItem attributeString(String attributeString) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesAnyType.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesAnyType extends HashMap<String, Object> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesAnyType() {
+  }
+
   /**
    **/
   public AdditionalPropertiesAnyType name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesArray.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesArray extends HashMap<String, List> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesArray() {
+  }
+
   /**
    **/
   public AdditionalPropertiesArray name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesBoolean.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesBoolean() {
+  }
+
   /**
    **/
   public AdditionalPropertiesBoolean name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesInteger.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesInteger extends HashMap<String, Integer> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesInteger() {
+  }
+
   /**
    **/
   public AdditionalPropertiesInteger name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesNumber.java

@@ -23,6 +23,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesNumber() {
+  }
+
   /**
    **/
   public AdditionalPropertiesNumber name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesObject.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesObject extends HashMap<String, Map> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesObject() {
+  }
+
   /**
    **/
   public AdditionalPropertiesObject name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/AdditionalPropertiesString.java

@@ -22,6 +22,9 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 public class AdditionalPropertiesString extends HashMap<String, String> implements Serializable {
   private String name;
 
+  public AdditionalPropertiesString() {
+  }
+
   /**
    **/
   public AdditionalPropertiesString name(String name) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/Animal.java

@@ -38,6 +38,13 @@ public class Animal  implements Serializable {
   public Animal() {
   }
 
+  @JsonCreator
+  public Animal(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    this.className = className;
+  }
+
   /**
    **/
   public Animal className(String className) {
@@ -47,12 +54,12 @@ public class Animal  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   @NotNull public String getClassName() {
     return className;
   }
 
-  @JsonProperty("className")
+  @JsonProperty(required = true, value = "className")
   public void setClassName(String className) {
     this.className = className;
   }

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/BigCat.java

@@ -76,6 +76,15 @@ public class BigCat extends Cat implements Serializable {
   public BigCat() {
   }
 
+  @JsonCreator
+  public BigCat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public BigCat kind(KindEnum kind) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/Cat.java

@@ -29,6 +29,15 @@ public class Cat extends Animal implements Serializable {
   public Cat() {
   }
 
+  @JsonCreator
+  public Cat(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Cat declawed(Boolean declawed) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/Category.java

@@ -29,6 +29,13 @@ public class Category  implements Serializable {
   public Category() {
   }
 
+  @JsonCreator
+  public Category(
+    @JsonProperty(required = true, value = "name") String name
+  ) {
+    this.name = name;
+  }
+
   /**
    **/
   public Category id(Long id) {
@@ -57,12 +64,12 @@ public class Category  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   @NotNull public String getName() {
     return name;
   }
 
-  @JsonProperty("name")
+  @JsonProperty(required = true, value = "name")
   public void setName(String name) {
     this.name = name;
   }

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/Dog.java

@@ -29,6 +29,15 @@ public class Dog extends Animal implements Serializable {
   public Dog() {
   }
 
+  @JsonCreator
+  public Dog(
+    @JsonProperty(required = true, value = "className") String className
+  ) {
+    super(
+      className
+    );
+  }
+
   /**
    **/
   public Dog breed(String breed) {

samples/server/petstore/jaxrs-spec-jakarta/src/gen/java/org/openapitools/model/EnumTest.java

@@ -225,6 +225,13 @@ public class EnumTest  implements Serializable {
   public EnumTest() {
   }
 
+  @JsonCreator
+  public EnumTest(
+    @JsonProperty(required = true, value = "enum_string_required") EnumStringRequiredEnum enumStringRequired
+  ) {
+    this.enumStringRequired = enumStringRequired;
+  }
+
   /**
    **/
   public EnumTest enumString(EnumStringEnum enumString) {
@@ -253,12 +260,12 @@ public class EnumTest  implements Serializable {
 
   
   @ApiModelProperty(required = true, value = "")
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   @NotNull public EnumStringRequiredEnum getEnumStringRequired() {
     return enumStringRequired;
   }
 
-  @JsonProperty("enum_string_required")
+  @JsonProperty(required = true, value = "enum_string_required")
   public void setEnumStringRequired(EnumStringRequiredEnum enumStringRequired) {
     this.enumStringRequired = enumStringRequired;
   }