net.bytebuddy.instrumentation.method.bytecode.stack.assign.reference

Class DownCasting

java.lang.Object

net.bytebuddy.instrumentation.method.bytecode.stack.assign.reference.DownCasting

All Implemented Interfaces:

StackManipulation

public class DownCasting
extends Object
implements StackManipulation

A stack manipulation for a type down casting. Such castings are not implicit but must be performed explicitly.

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.instrumentation.method.bytecode.stack.StackManipulation

StackManipulation.Compound, StackManipulation.Illegal, StackManipulation.LegalTrivial, StackManipulation.Size

Constructor Summary

Constructors

Constructor and Description
DownCasting(TypeDescription targetType) Creates a new type casting.

Method Summary

Modifier and Type	Method and Description
StackManipulation.Size	apply(org.objectweb.asm.MethodVisitor methodVisitor, Instrumentation.Context instrumentationContext) Applies the stack manipulation that is described by this instance.
boolean	equals(Object other)
int	hashCode()
boolean	isValid() Determines if this stack manipulation is valid.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DownCasting

public DownCasting(TypeDescription targetType)

Creates a new type casting.

Parameters:

targetType - The type to which the uppermost stack value should be casted.

Method Detail

isValid

public boolean isValid()

Description copied from interface: StackManipulation

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,
                                    Instrumentation.Context instrumentationContext)

Description copied from interface: StackManipulation

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.

instrumentationContext - The context of the current instrumentation.

Returns:

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

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object