Package net.bytebuddy.implementation.bytecode.member

Class HandleInvocation

java.lang.Object

net.bytebuddy.implementation.bytecode.member.HandleInvocation

All Implemented Interfaces:

StackManipulation

@Enhance
public class HandleInvocation
extends java.lang.Object
implements StackManipulation

An exact invocation of a method handle with a polymorphic signature.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.implementation.bytecode.StackManipulation

StackManipulation.Compound, StackManipulation.Illegal, StackManipulation.Size, StackManipulation.Trivial

Field Summary

Fields

Modifier and Type	Field	Description
private static java.lang.String	INVOKE_EXACT	The name of the invokeExact method.
private static java.lang.String	METHOD_HANDLE_NAME	The name of the java.lang.invoke.MethodHandle type.
private JavaConstant.MethodType	methodType	The method type of the invoked handle.

Constructor Summary

Constructors

Constructor	Description
HandleInvocation(JavaConstant.MethodType methodType)	Creates a public invocation of a method handle.

Method Summary

Modifier and Type	Method	Description
StackManipulation.Size	apply(org.objectweb.asm.MethodVisitor methodVisitor, Implementation.Context implementationContext)	Applies the stack manipulation that is described by this instance.
boolean	isValid()	Determines if this stack manipulation is valid.

Methods inherited from class java.lang.Object

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

Field Detail

METHOD_HANDLE_NAME

private static final java.lang.String METHOD_HANDLE_NAME

The name of the java.lang.invoke.MethodHandle type.

See Also:

Constant Field Values

INVOKE_EXACT

private static final java.lang.String INVOKE_EXACT

The name of the invokeExact method.

See Also:

Constant Field Values

methodType

private final JavaConstant.MethodType methodType

The method type of the invoked handle.

Constructor Detail

HandleInvocation

public HandleInvocation(JavaConstant.MethodType methodType)

Creates a public invocation of a method handle.

Parameters:

methodType - The method type of the invoked handle.

Method Detail

isValid

public boolean isValid()

Determines if this stack manipulation is valid.

Specified by:

isValid in interface StackManipulation

Returns:

If false, this manipulation cannot be applied and should throw an exception.

apply

public StackManipulation.Size apply(org.objectweb.asm.MethodVisitor methodVisitor,
                                    Implementation.Context implementationContext)

Applies the stack manipulation that is described by this instance.

Specified by:

apply in interface StackManipulation

Parameters:

methodVisitor - The method visitor used to write the method implementation to.

implementationContext - The context of the current implementation.

Returns:

The changes to the size of the operand stack that are implied by this stack manipulation.