[Ruby] Fix ruby client generator to generate setter methods with not null validation (#20672)

* fix: Fix ruby client generator to generate setter methods with not null validation

Not null validation was missing for required and non-nullable properties when
no other validation was present.

* fix: Fix an issue where the initialize method did not accept attributes defined in its parent class

modules/openapi-generator/src/main/resources/ruby-client/partial_model_generic.mustache

@@ -42,16 +42,21 @@
       }
     end
 
-    # Returns all the JSON keys this model knows about{{#parent}}, including the ones defined in its parent(s){{/parent}}
+    # Returns attribute mapping this model knows about{{#parent}}, including the ones defined in its parent(s){{/parent}}
-    def self.acceptable_attributes
+    def self.acceptable_attribute_map
       {{^parent}}
-      attribute_map.values
+      attribute_map
       {{/parent}}
       {{#parent}}
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      superclass.acceptable_attribute_map.merge(attribute_map)
       {{/parent}}
     end
 
+    # Returns all the JSON keys this model knows about{{#parent}}, including the ones defined in its parent(s){{/parent}}
+    def self.acceptable_attributes
+      acceptable_attribute_map.values
+    end
+
     # Attribute type mapping.
     def self.openapi_types
       {
@@ -115,9 +120,10 @@
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `{{{moduleName}}}::{{{classname}}}`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `{{{moduleName}}}::{{{classname}}}`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -350,6 +356,22 @@
       @{{{name}}} = {{{name}}}
     end
 
+    {{/hasValidation}}
+    {{^hasValidation}}
+    {{^isNullable}}
+    {{#required}}
+    # Custom attribute writer method with validation
+    # @param [Object] {{{name}}} Value to be assigned
+    def {{{name}}}=({{{name}}})
+      if {{{name}}}.nil?
+        fail ArgumentError, '{{{name}}} cannot be nil'
+      end
+
+      @{{{name}}} = {{{name}}}
+    end
+
+    {{/required}}
+    {{/isNullable}}
     {{/hasValidation}}
     {{/isEnum}}
     {{/vars}}

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/bird.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/category.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/data_query.rb

@@ -55,9 +55,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -90,9 +95,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/default_value.rb

@@ -68,9 +68,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -104,9 +109,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/number_properties_only.rb

@@ -30,9 +30,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/pet.rb

@@ -62,9 +62,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -93,9 +98,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -160,6 +166,26 @@ module OpenapiClient
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] photo_urls Value to be assigned
+    def photo_urls=(photo_urls)
+      if photo_urls.nil?
+        fail ArgumentError, 'photo_urls cannot be nil'
+      end
+
+      @photo_urls = photo_urls
+    end
+
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] status Object to be assigned
     def status=(status)

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/query.rb

@@ -50,9 +50,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -77,9 +82,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/tag.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/test_form_object_multipart_request_marker.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/test_query_style_deep_object_explode_true_object_all_of_query_object_parameter.rb

@@ -33,9 +33,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -70,9 +75,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-faraday/lib/openapi_client/models/test_query_style_form_explode_true_array_string_query_object_parameter.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/bird.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/category.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/data_query.rb

@@ -55,9 +55,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -90,9 +95,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/default_value.rb

@@ -68,9 +68,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -104,9 +109,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/number_properties_only.rb

@@ -30,9 +30,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/pet.rb

@@ -62,9 +62,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -93,9 +98,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -160,6 +166,26 @@ module OpenapiClient
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] photo_urls Value to be assigned
+    def photo_urls=(photo_urls)
+      if photo_urls.nil?
+        fail ArgumentError, 'photo_urls cannot be nil'
+      end
+
+      @photo_urls = photo_urls
+    end
+
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] status Object to be assigned
     def status=(status)

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/query.rb

@@ -50,9 +50,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -77,9 +82,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/tag.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/test_form_object_multipart_request_marker.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/test_query_style_deep_object_explode_true_object_all_of_query_object_parameter.rb

@@ -33,9 +33,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -70,9 +75,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-httpx/lib/openapi_client/models/test_query_style_form_explode_true_array_string_query_object_parameter.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/bird.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Bird`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/category.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Category`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/data_query.rb

@@ -55,9 +55,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -90,9 +95,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DataQuery`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/default_value.rb

@@ -68,9 +68,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -104,9 +109,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::DefaultValue`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/number_properties_only.rb

@@ -30,9 +30,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::NumberPropertiesOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/pet.rb

@@ -62,9 +62,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -93,9 +98,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Pet`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -160,6 +166,26 @@ module OpenapiClient
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] photo_urls Value to be assigned
+    def photo_urls=(photo_urls)
+      if photo_urls.nil?
+        fail ArgumentError, 'photo_urls cannot be nil'
+      end
+
+      @photo_urls = photo_urls
+    end
+
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] status Object to be assigned
     def status=(status)

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/query.rb

@@ -50,9 +50,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -77,9 +82,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Query`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/tag.rb

@@ -27,9 +27,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::Tag`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/test_form_object_multipart_request_marker.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestFormObjectMultipartRequestMarker`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/test_query_style_deep_object_explode_true_object_all_of_query_object_parameter.rb

@@ -33,9 +33,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -70,9 +75,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/echo_api/ruby-typhoeus/lib/openapi_client/models/test_query_style_form_explode_true_array_string_query_object_parameter.rb

@@ -24,9 +24,14 @@ module OpenapiClient
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module OpenapiClient
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `OpenapiClient::TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/additional_properties_class.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/all_of_with_single_ref.rb

@@ -49,9 +49,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -76,9 +81,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AllOfWithSingleRef`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AllOfWithSingleRef`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/animal.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -59,9 +64,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Animal`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Animal`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -99,6 +105,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] class_name Value to be assigned
+    def class_name=(class_name)
+      if class_name.nil?
+        fail ArgumentError, 'class_name cannot be nil'
+      end
+
+      @class_name = class_name
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-autoload/lib/petstore/models/api_response.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ApiResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ApiResponse`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/array_of_array_of_number_only.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/array_of_number_only.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/array_test.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/capitalization.rb

@@ -40,9 +40,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -71,9 +76,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Capitalization`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Capitalization`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/cat.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -57,9 +62,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Cat`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Cat`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/category.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Category`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Category`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -92,6 +98,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-autoload/lib/petstore/models/child_with_nullable.rb

@@ -46,9 +46,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -79,9 +84,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ChildWithNullable`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ChildWithNullable`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/class_model.rb

@@ -25,9 +25,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -51,9 +56,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ClassModel`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ClassModel`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/client.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Client`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Client`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/deprecated_object.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::DeprecatedObject`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::DeprecatedObject`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/dog.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -57,9 +62,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Dog`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Dog`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/enum_arrays.rb

@@ -49,9 +49,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -76,9 +81,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumArrays`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumArrays`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/enum_test.rb

@@ -67,9 +67,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -101,9 +106,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/fake_big_decimal_map200_response.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FakeBigDecimalMap200Response`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FakeBigDecimalMap200Response`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/file.rb

@@ -26,9 +26,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -52,9 +57,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::File`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::File`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/file_schema_test_class.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FileSchemaTestClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FileSchemaTestClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/foo.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Foo`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Foo`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/foo_get_default_response.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FooGetDefaultResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FooGetDefaultResponse`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/format_test.rb

@@ -71,9 +71,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -112,9 +117,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FormatTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FormatTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -410,6 +416,26 @@ module Petstore
       @string = string
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] byte Value to be assigned
+    def byte=(byte)
+      if byte.nil?
+        fail ArgumentError, 'byte cannot be nil'
+      end
+
+      @byte = byte
+    end
+
+    # Custom attribute writer method with validation
+    # @param [Object] date Value to be assigned
+    def date=(date)
+      if date.nil?
+        fail ArgumentError, 'date cannot be nil'
+      end
+
+      @date = date
+    end
+
     # Custom attribute writer method with validation
     # @param [Object] password Value to be assigned
     def password=(password)

samples/client/petstore/ruby-autoload/lib/petstore/models/has_only_read_only.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::HasOnlyReadOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::HasOnlyReadOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/health_check_result.rb

@@ -25,9 +25,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -52,9 +57,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::HealthCheckResult`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::HealthCheckResult`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/list.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::List`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::List`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/map_test.rb

@@ -55,9 +55,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -84,9 +89,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::MapTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::MapTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/mixed_properties_and_additional_properties_class.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::MixedPropertiesAndAdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::MixedPropertiesAndAdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/model200_response.rb

@@ -28,9 +28,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -55,9 +60,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Model200Response`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Model200Response`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/model_return.rb

@@ -25,9 +25,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -51,9 +56,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ModelReturn`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ModelReturn`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/name.rb

@@ -34,9 +34,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -63,9 +68,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Name`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Name`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -109,6 +115,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-autoload/lib/petstore/models/nullable_class.rb

@@ -57,9 +57,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -104,9 +109,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::NullableClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::NullableClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/number_only.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::NumberOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::NumberOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/object_with_deprecated_fields.rb

@@ -33,9 +33,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -62,9 +67,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ObjectWithDeprecatedFields`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ObjectWithDeprecatedFields`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/order.rb

@@ -62,9 +62,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -93,9 +98,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Order`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Order`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/outer_composite.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::OuterComposite`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::OuterComposite`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/outer_object_with_enum_property.rb

@@ -46,9 +46,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -72,9 +77,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::OuterObjectWithEnumProperty`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::OuterObjectWithEnumProperty`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -106,6 +112,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] value Value to be assigned
+    def value=(value)
+      if value.nil?
+        fail ArgumentError, 'value cannot be nil'
+      end
+
+      @value = value
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-autoload/lib/petstore/models/parent_with_nullable.rb

@@ -49,9 +49,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -82,9 +87,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ParentWithNullable`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ParentWithNullable`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/pet.rb

@@ -62,9 +62,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -93,9 +98,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Pet`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Pet`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -160,6 +166,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
     # Custom attribute writer method with validation
     # @param [Object] photo_urls Value to be assigned
     def photo_urls=(photo_urls)

samples/client/petstore/ruby-autoload/lib/petstore/models/read_only_first.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ReadOnlyFirst`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ReadOnlyFirst`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/special_model_name.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::SpecialModelName`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::SpecialModelName`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/tag.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Tag`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Tag`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/test_inline_freeform_additional_properties_request.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::TestInlineFreeformAdditionalPropertiesRequest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::TestInlineFreeformAdditionalPropertiesRequest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-autoload/lib/petstore/models/user.rb

@@ -46,9 +46,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -79,9 +84,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::User`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::User`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/additional_properties_class.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AdditionalPropertiesClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/all_of_with_single_ref.rb

@@ -49,9 +49,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -76,9 +81,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AllOfWithSingleRef`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::AllOfWithSingleRef`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/animal.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -59,9 +64,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Animal`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Animal`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -99,6 +105,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] class_name Value to be assigned
+    def class_name=(class_name)
+      if class_name.nil?
+        fail ArgumentError, 'class_name cannot be nil'
+      end
+
+      @class_name = class_name
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-faraday/lib/petstore/models/api_response.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ApiResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ApiResponse`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/array_of_array_of_number_only.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/array_of_number_only.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayOfNumberOnly`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/array_test.rb

@@ -30,9 +30,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -58,9 +63,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ArrayTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/capitalization.rb

@@ -40,9 +40,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -71,9 +76,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Capitalization`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Capitalization`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/cat.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -57,9 +62,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Cat`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Cat`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/category.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Category`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Category`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }
@@ -92,6 +98,16 @@ module Petstore
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] name Value to be assigned
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'name cannot be nil'
+      end
+
+      @name = name
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)

samples/client/petstore/ruby-faraday/lib/petstore/models/child_with_nullable.rb

@@ -46,9 +46,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -79,9 +84,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ChildWithNullable`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ChildWithNullable`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/class_model.rb

@@ -25,9 +25,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -51,9 +56,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ClassModel`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::ClassModel`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/client.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Client`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Client`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/deprecated_object.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::DeprecatedObject`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::DeprecatedObject`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/dog.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about, including the ones defined in its parent(s)
+    def self.acceptable_attribute_map
+      superclass.acceptable_attribute_map.merge(attribute_map)
+    end
+
     # Returns all the JSON keys this model knows about, including the ones defined in its parent(s)
     def self.acceptable_attributes
-      attribute_map.values.concat(superclass.acceptable_attributes)
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -57,9 +62,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Dog`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Dog`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/enum_arrays.rb

@@ -49,9 +49,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -76,9 +81,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumArrays`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumArrays`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/enum_test.rb

@@ -67,9 +67,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -101,9 +106,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumTest`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::EnumTest`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/fake_big_decimal_map200_response.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FakeBigDecimalMap200Response`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FakeBigDecimalMap200Response`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/file.rb

@@ -26,9 +26,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -52,9 +57,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::File`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::File`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/file_schema_test_class.rb

@@ -27,9 +27,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -54,9 +59,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FileSchemaTestClass`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FileSchemaTestClass`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/foo.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Foo`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::Foo`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }

samples/client/petstore/ruby-faraday/lib/petstore/models/foo_get_default_response.rb

@@ -24,9 +24,14 @@ module Petstore
       }
     end
 
+    # Returns attribute mapping this model knows about
+    def self.acceptable_attribute_map
+      attribute_map
+    end
+
     # Returns all the JSON keys this model knows about
     def self.acceptable_attributes
-      attribute_map.values
+      acceptable_attribute_map.values
     end
 
     # Attribute type mapping.
@@ -50,9 +55,10 @@ module Petstore
       end
 
       # check to see if the attribute exists and convert string to symbol for hash key
+      acceptable_attribute_map = self.class.acceptable_attribute_map
       attributes = attributes.each_with_object({}) { |(k, v), h|
-        if (!self.class.attribute_map.key?(k.to_sym))
+        if (!acceptable_attribute_map.key?(k.to_sym))
-          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FooGetDefaultResponse`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Petstore::FooGetDefaultResponse`. Please check the name to make sure it's valid. List of attributes: " + acceptable_attribute_map.keys.inspect
         end
         h[k.to_sym] = v
       }