createOptions() {
.put(CodegenConstants.WITH_GO_MOD, "true")
.put(CodegenConstants.GENERATE_MARSHAL_JSON, "true")
.put(CodegenConstants.GENERATE_UNMARSHAL_JSON, "true")
+ .put(CodegenConstants.GENERATE_TYPE_ALIASES_FOR_DEDUPED_SCHEMAS, "true")
.put("generateInterfaces", "true")
.put("structPrefix", "true")
.put(CodegenConstants.USE_DEFAULT_VALUES_FOR_REQUIRED_VARS, "true")
diff --git a/modules/openapi-generator/src/test/resources/3_0/inline-deduplicated-schemas.yaml b/modules/openapi-generator/src/test/resources/3_0/inline-deduplicated-schemas.yaml
new file mode 100644
index 000000000000..533d412bf46c
--- /dev/null
+++ b/modules/openapi-generator/src/test/resources/3_0/inline-deduplicated-schemas.yaml
@@ -0,0 +1,144 @@
+openapi: 3.0.0
+info:
+ title: OpenAPI Deduplication Demo
+ version: 1.0.0
+ description: >
+ This spec demonstrates OpenAPI Generator schema deduplication and type alias generation in Go:
+ inline objects (direct properties), nested inline objects (arrays), and objects with different property requirements.
+
+paths:
+ /demo:
+ get:
+ summary: Demo endpoint
+ operationId: getDemo
+ responses:
+ '200':
+ description: Demo response
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/DemoResponse'
+
+components:
+ schemas:
+ PhoneNumber:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ FaxNumber:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ DemoResponse:
+ type: object
+ properties:
+ inlinePhone1:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+ inlinePhone2:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ nestedPhones:
+ type: array
+ items:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ phoneHistory:
+ type: array
+ items:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ optionalNumber:
+ type: object
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+ requiredNumber:
+ type: object
+ required:
+ - number
+ properties:
+ countryCode:
+ type: string
+ number:
+ type: string
+
+ # Test cases for additionalProperties: true (MapSchema)
+ # These should also generate type aliases even though isModel=false
+ transactOptions:
+ type: array
+ items:
+ type: object
+ additionalProperties: true
+ properties:
+ code:
+ type: string
+ description:
+ type: string
+ name:
+ type: string
+
+ otherOptions:
+ type: array
+ items:
+ type: object
+ additionalProperties: true
+ properties:
+ code:
+ type: string
+ description:
+ type: string
+ name:
+ type: string
+
+ directMapObject:
+ type: object
+ additionalProperties: true
+ properties:
+ code:
+ type: string
+ description:
+ type: string
+ name:
+ type: string
diff --git a/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java b/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
index d5faaeaaa5fe..d43b1a007b8e 100644
--- a/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
+++ b/samples/server/petstore/java-undertow/src/main/java/org/openapitools/handler/PathHandlerInterface.java
@@ -574,13 +574,13 @@ public interface PathHandlerInterface {
*
*
*
- * Response headers: [CodegenProperty{openApiType='string', baseName='Set-Cookie', complexType='null', getter='getSetCookie', setter='setSetCookie', description='Cookie authentication key for use with the `api_key` apiKey authentication.', dataType='String', datatypeWithEnum='String', dataFormat='null', name='setCookie', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.Set-Cookie;', baseType='String', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='Cookie authentication key for use with the `api_key` apiKey authentication.', maxLength=null, minLength=null, pattern='null', example='AUTH_KEY=abcde12345; Path=/; HttpOnly', jsonSchema='{
+ *
Response headers: [CodegenProperty{openApiType='string', baseName='Set-Cookie', complexType='null', getter='getSetCookie', setter='setSetCookie', description='Cookie authentication key for use with the `api_key` apiKey authentication.', dataType='String', dataTypeAlias='null', datatypeWithEnum='String', dataFormat='null', name='setCookie', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.Set-Cookie;', baseType='String', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='Cookie authentication key for use with the `api_key` apiKey authentication.', maxLength=null, minLength=null, pattern='null', example='AUTH_KEY=abcde12345; Path=/; HttpOnly', jsonSchema='{
"example" : "AUTH_KEY=abcde12345; Path=/; HttpOnly",
"type" : "string"
-}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=true, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='setCookie', nameInPascalCase='SetCookie', nameInSnakeCase='SET_COOKIE', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=null, dependentRequired=null, contains=null}, CodegenProperty{openApiType='integer', baseName='X-Rate-Limit', complexType='null', getter='getxRateLimit', setter='setxRateLimit', description='calls per hour allowed by the user', dataType='Integer', datatypeWithEnum='Integer', dataFormat='int32', name='xRateLimit', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Rate-Limit;', baseType='Integer', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='calls per hour allowed by the user', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
+}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=true, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='setCookie', nameInPascalCase='SetCookie', nameInSnakeCase='SET_COOKIE', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=null, dependentRequired=null, contains=null}, CodegenProperty{openApiType='integer', baseName='X-Rate-Limit', complexType='null', getter='getxRateLimit', setter='setxRateLimit', description='calls per hour allowed by the user', dataType='Integer', dataTypeAlias='null', datatypeWithEnum='Integer', dataFormat='int32', name='xRateLimit', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Rate-Limit;', baseType='Integer', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='calls per hour allowed by the user', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
"format" : "int32",
"type" : "integer"
-}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=false, isNumeric=true, isInteger=true, isShort=true, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xRateLimit', nameInPascalCase='XRateLimit', nameInSnakeCase='X_RATE_LIMIT', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=int32, dependentRequired=null, contains=null}, CodegenProperty{openApiType='string', baseName='X-Expires-After', complexType='Date', getter='getxExpiresAfter', setter='setxExpiresAfter', description='date in UTC when token expires', dataType='Date', datatypeWithEnum='Date', dataFormat='date-time', name='xExpiresAfter', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Expires-After;', baseType='Date', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='date in UTC when token expires', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
+}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, isPrimitiveType=true, isModel=false, isContainer=false, isString=false, isNumeric=true, isInteger=true, isShort=true, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=false, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xRateLimit', nameInPascalCase='XRateLimit', nameInSnakeCase='X_RATE_LIMIT', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=int32, dependentRequired=null, contains=null}, CodegenProperty{openApiType='string', baseName='X-Expires-After', complexType='Date', getter='getxExpiresAfter', setter='setxExpiresAfter', description='date in UTC when token expires', dataType='Date', dataTypeAlias='null', datatypeWithEnum='Date', dataFormat='date-time', name='xExpiresAfter', min='null', max='null', defaultValue='null', defaultValueWithParam=' = data.X-Expires-After;', baseType='Date', containerType='null', containerTypeMapped='null', title='null', unescapedDescription='date in UTC when token expires', maxLength=null, minLength=null, pattern='null', example='null', jsonSchema='{
"format" : "date-time",
"type" : "string"
}', minimum='null', maximum='null', exclusiveMinimum=false, exclusiveMaximum=false, required=false, deprecated=false, isPrimitiveType=false, isModel=false, isContainer=false, isString=false, isNumeric=false, isInteger=false, isShort=false, isLong=false, isUnboundedInteger=false, isNumber=false, isFloat=false, isDouble=false, isDecimal=false, isByteArray=false, isBinary=false, isFile=false, isBoolean=false, isDate=false, isDateTime=true, isUuid=false, isUri=false, isEmail=false, isPassword=false, isFreeFormObject=false, isArray=false, isMap=false, isOptional=false, isEnum=false, isInnerEnum=false, isEnumRef=false, isAnyType=false, isReadOnly=false, isWriteOnly=false, isNullable=false, isSelfReference=false, isCircularReference=false, isDiscriminator=false, isNew=false, isOverridden=null, _enum=null, allowableValues=null, items=null, additionalProperties=null, vars=[], requiredVars=[], mostInnerItems=null, vendorExtensions={}, hasValidation=false, isInherited=false, discriminatorValue='null', nameInCamelCase='xExpiresAfter', nameInPascalCase='XExpiresAfter', nameInSnakeCase='X_EXPIRES_AFTER', enumName='null', maxItems=null, minItems=null, maxProperties=null, minProperties=null, uniqueItems=false, uniqueItemsBoolean=null, multipleOf=null, isXmlAttribute=false, xmlPrefix='null', xmlName='null', xmlNamespace='null', isXmlWrapped=false, isNull=false, isVoid=false, getAdditionalPropertiesIsAnyType=false, getHasVars=false, getHasRequired=false, getHasDiscriminatorWithNonEmptyMapping=false, composedSchemas=null, hasMultipleTypes=false, hasSanitizedName=true, requiredVarsMap=null, ref=null, schemaIsFromAdditionalProperties=false, isBooleanSchemaTrue=false, isBooleanSchemaFalse=false, format=date-time, dependentRequired=null, contains=null}]