Add Schema subclass Discriminator

lib/openapi_parser/schemas.rb

@@ -1,6 +1,7 @@
 require_relative 'schemas/classes'
 
 require_relative 'schemas/base'
+require_relative 'schemas/discriminator'
 require_relative 'schemas/openapi'
 require_relative 'schemas/paths'
 require_relative 'schemas/path_item'

lib/openapi_parser/schemas/classes.rb

@@ -2,6 +2,7 @@
 
 module OpenAPIParser::Schemas
   class Base; end
+  class Discriminator < Base; end
   class OpenAPI < Base; end
   class Operation < Base; end
   class Parameter < Base; end

lib/openapi_parser/schemas/discriminator.rb

@@ -0,0 +1,11 @@
+module OpenAPIParser::Schemas
+  class Discriminator < Base
+    # @!attribute [r] property_name
+    #   @return [String, nil]
+    openapi_attr_value :property_name, schema_key: :propertyName
+
+    # @!attribute [r] mapping
+    #   @return [Hash{String => String]
+    openapi_attr_value :mapping
+  end
+end

lib/openapi_parser/schemas/schema.rb

@@ -103,16 +103,8 @@ class Schema < Base
     openapi_attr_hash_object :properties, Schema, reference: true
 
     # @!attribute [r] discriminator
-    #   @return [Hash{String => Schema}, nil]
-    openapi_attr_objects :discriminator, Schema
-
-    # @!attribute [r] property_name
-    #   @return [String, nil]
-    openapi_attr_value :property_name, schema_key: :propertyName
-
-    # @!attribute [r] mapping
-    #   @return [Hash{String => String]
-    openapi_attr_value :mapping
+    #   @return [Discriminator, nil]
+    openapi_attr_object :discriminator, Discriminator
 
     # @!attribute [r] additional_properties
     #   @return [Boolean, Schema, Reference, nil]