net.bytebuddy.utility

Interface JavaConstant.MethodHandle.Dispatcher

All Known Implementing Classes:

JavaConstant.MethodHandle.Dispatcher.AbstractBase, JavaConstant.MethodHandle.Dispatcher.ForJava7CapableVm, JavaConstant.MethodHandle.Dispatcher.ForJava8CapableVm

Enclosing class:

JavaConstant.MethodHandle

protected static interface JavaConstant.MethodHandle.Dispatcher

A dispatcher for analyzing a java.lang.invoke.MethodHandle instance.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	JavaConstant.MethodHandle.Dispatcher.AbstractBase An abstract base impleementation of a dispatcher.
static class	JavaConstant.MethodHandle.Dispatcher.ForJava7CapableVm A dispatcher that extracts the information of a method handle by using private APIs that are available in Java 7+.
static class	JavaConstant.MethodHandle.Dispatcher.ForJava8CapableVm A dispatcher for introspecting a java.lang.invoke.MethodHandle instance on a virtual machine that officially supports this introspection, i.e.
static class	JavaConstant.MethodHandle.Dispatcher.ForLegacyVm A dispatcher that does not support method handles at all.
static interface	JavaConstant.MethodHandle.Dispatcher.Initializable An initializable version of a dispatcher that is not yet made accessible.

Method Summary

Modifier and Type	Method and Description
Class<?>	getDeclaringClass(Object methodHandleInfo) Returns the declaring class of the supplied method handle info.
Object	getMethodType(Object methodHandleInfo) Returns a method handle info's method type.
String	getName(Object methodHandleInfo) Returns the method name of the supplied method handle info.
int	getReferenceKind(Object methodHandleInfo) Returns the reference kind of the supplied method handle info.
List<? extends Class<?>>	parameterArray(Object methodType) Returns the parameter types of the supplied method type.
Class<?>	returnType(Object methodType) Returns the return type of the supplied method type.
Object	reveal(Object lookup, Object methodHandle) Reveals a method handle's information object.

Method Detail

reveal

Object reveal(Object lookup,
              Object methodHandle)

Reveals a method handle's information object.

Parameters:

lookup - The lookup to be used for introspecting the instance.

methodHandle - The method handle to be introspected.

Returns:

The java.lang.invoke.MethodHandleInfo object that describes the instance.

getMethodType

Object getMethodType(Object methodHandleInfo)

Returns a method handle info's method type.

Parameters:

methodHandleInfo - The method handle info to introspect.

Returns:

The MethodType instance representing the method handle's type.

getReferenceKind

int getReferenceKind(Object methodHandleInfo)

Returns the reference kind of the supplied method handle info.

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's reference type.

getDeclaringClass

Class<?> getDeclaringClass(Object methodHandleInfo)

Returns the declaring class of the supplied method handle info.

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's declaring class.

getName

String getName(Object methodHandleInfo)

Returns the method name of the supplied method handle info.

Parameters:

methodHandleInfo - The method handle to be introspected.

Returns:

The method handle info's method name.

returnType

Class<?> returnType(Object methodType)

Returns the return type of the supplied method type.

Parameters:

methodType - The method type to be introspected.

Returns:

The method type's return type.

parameterArray

List<? extends Class<?>> parameterArray(Object methodType)

Returns the parameter types of the supplied method type.

Parameters:

methodType - The method type to be introspected.

Returns:

The method type's parameter types.