net.bytebuddy.implementation

Class HashCodeMethod.NullValueGuard.UsingJump

java.lang.Object

net.bytebuddy.implementation.HashCodeMethod.NullValueGuard.UsingJump

All Implemented Interfaces:

HashCodeMethod.NullValueGuard

Enclosing interface:

HashCodeMethod.NullValueGuard

@HashCodeAndEqualsPlugin.Enhance
public static class HashCodeMethod.NullValueGuard.UsingJump
extends java.lang.Object
implements HashCodeMethod.NullValueGuard

A null value guard that expects a reference type and that uses a jump if a field value is null.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	HashCodeMethod.NullValueGuard.UsingJump.AfterInstruction The stack manipulation to apply after the hash value computation.
protected class	HashCodeMethod.NullValueGuard.UsingJump.BeforeInstruction The stack manipulation to apply before the hash value computation.

Nested classes/interfaces inherited from interface net.bytebuddy.implementation.HashCodeMethod.NullValueGuard

HashCodeMethod.NullValueGuard.NoOp, HashCodeMethod.NullValueGuard.UsingJump

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.Object[]	EMPTY An empty array.
private MethodDescription	instrumentedMethod The instrumented method.
private static java.lang.Object[]	INTEGER An array that only contains an integer stack map frame.
private org.objectweb.asm.Label	label A label to indicate the target of a jump.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UsingJump(MethodDescription instrumentedMethod) Creates a new null value guard using a jump instruction for null values.

Method Summary

Modifier and Type	Method and Description
StackManipulation	after() Returns a stack manipulation to apply after computing a hash value.
StackManipulation	before() Returns a stack manipulation to apply before computing a hash value.
int	getRequiredVariablePadding() Returns the required padding for the local variable array to apply this guard.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

private static final java.lang.Object[] EMPTY

An empty array.

INTEGER

private static final java.lang.Object[] INTEGER

An array that only contains an integer stack map frame.

instrumentedMethod

private final MethodDescription instrumentedMethod

The instrumented method.

label

private final org.objectweb.asm.Label label

A label to indicate the target of a jump.

Constructor Detail

UsingJump

protected UsingJump(MethodDescription instrumentedMethod)

Creates a new null value guard using a jump instruction for null values.

Parameters:

instrumentedMethod - The instrumented method.

Method Detail

before

public StackManipulation before()

Returns a stack manipulation to apply before computing a hash value.

Specified by:

before in interface HashCodeMethod.NullValueGuard

Returns:

A stack manipulation to apply before computing a hash value.

after

public StackManipulation after()

Returns a stack manipulation to apply after computing a hash value.

Specified by:

after in interface HashCodeMethod.NullValueGuard

Returns:

A stack manipulation to apply after computing a hash value.

getRequiredVariablePadding

public int getRequiredVariablePadding()

Returns the required padding for the local variable array to apply this guard.

Specified by:

getRequiredVariablePadding in interface HashCodeMethod.NullValueGuard

Returns:

The required padding for the local variable array to apply this guard.