Package dev.langchain4j.service

Class TypeUtils

java.lang.Object

dev.langchain4j.service.TypeUtils

public class TypeUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
TypeUtils()

Method Summary

Modifier and Type	Method	Description
static Class<?>	getRawClass(Type type)
static Class<?>	resolveFirstGenericParameterClass(Type returnType)
static boolean	typeHasRawClass(Type type, Class<?> rawClass)
static void	validateReturnTypesAreProperlyParametrized(String methodName, Type type)	Ensures that no wildcard and/or parametrized types are being used as service method return type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TypeUtils

public TypeUtils()

Method Details

getRawClass

public static Class<?> getRawClass(Type type)

typeHasRawClass

public static boolean typeHasRawClass(Type type,
 Class<?> rawClass)

resolveFirstGenericParameterClass

public static Class<?> resolveFirstGenericParameterClass(Type returnType)

validateReturnTypesAreProperlyParametrized

public static void validateReturnTypesAreProperlyParametrized(String methodName,
 Type type)

Ensures that no wildcard and/or parametrized types are being used as service method return type.

For example - such (service) method return types will pass:

• String
• MyCustomPojo
• List<MyCustomPojo>
• Set<MyCustomPojo>
• Result<String>
• Result<MyCustomPojo>
• Result<List<MyCustomPojo>>

... and there are few examples that will fail:

• List<?>
• Result<?>
• Result<List<?>>
• List<T>
• Result<T>
• Result<List<T>>

*

Parameters:

methodName - the method name

type - the return type