org.hotswap.agent.plugin.proxy

Class MultistepProxyTransformer

java.lang.Object

org.hotswap.agent.plugin.proxy.AbstractProxyTransformer

org.hotswap.agent.plugin.proxy.MultistepProxyTransformer

All Implemented Interfaces:

ProxyTransformer

Direct Known Subclasses:

CglibProxyTransformer, JavaProxyTransformer

public abstract class MultistepProxyTransformer
extends AbstractProxyTransformer

Multistep proxy redefinition strategy. Uses Instrumentation to schedule and run next steps.

Author:

Erki Ehtla

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	addThirdStep
protected byte[]	classfileBuffer
protected ProxyBytecodeGenerator	generator
protected Map<Class<?>,TransformationState>	transformationStates
protected ProxyBytecodeTransformer	transformer

Fields inherited from class org.hotswap.agent.plugin.proxy.AbstractProxyTransformer

classBeingRedefined, classPool

Constructor Summary

Constructors

Constructor and Description
MultistepProxyTransformer(Class<?> classBeingRedefined, ClassPool classPool, byte[] classfileBuffer, Map<Class<?>,TransformationState> transformationStates)

Method Summary

Modifier and Type	Method and Description
Class<?>	getClassBeingRedefined() The Class this instance is redefining
byte[]	getClassfileBuffer() Bytecode of the Class this instance is redefining.
protected TransformationState	getTransformationstate()
protected TransformationState	removeClassState() Remove any state associated with classBeingRedefined
protected TransformationState	setClassAsFinished() Set classBeingRedefined as finished
protected TransformationState	setClassAsWaiting() Set classBeingRedefined as waiting
protected void	scheduleRedefinition() Generate new redefinition event for current classBeingRedefined
byte[]	transformRedefine() Handles the current transformation state

Methods inherited from class org.hotswap.agent.plugin.proxy.AbstractProxyTransformer

createGenerator, createTransformer, getGenerator, getTransformer, isTransformingNeeded

Methods inherited from class java.lang.Object

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

Field Detail

addThirdStep

public static boolean addThirdStep

classfileBuffer

protected byte[] classfileBuffer

transformationStates

protected Map<Class<?>,TransformationState> transformationStates

generator

protected ProxyBytecodeGenerator generator

transformer

protected ProxyBytecodeTransformer transformer

Constructor Detail

MultistepProxyTransformer

public MultistepProxyTransformer(Class<?> classBeingRedefined,
                                 ClassPool classPool,
                                 byte[] classfileBuffer,
                                 Map<Class<?>,TransformationState> transformationStates)

Method Detail

transformRedefine

public byte[] transformRedefine()
                         throws Exception

Handles the current transformation state

Returns:

Throws:

Exception

getTransformationstate

protected TransformationState getTransformationstate()

Returns:

Current transformation state of the classBeingRedefined

scheduleRedefinition

protected void scheduleRedefinition()

Generate new redefinition event for current classBeingRedefined

setClassAsWaiting

protected TransformationState setClassAsWaiting()

Set classBeingRedefined as waiting

Returns:

setClassAsFinished

protected TransformationState setClassAsFinished()

Set classBeingRedefined as finished

Returns:

removeClassState

protected TransformationState removeClassState()

Remove any state associated with classBeingRedefined

Returns:

getClassBeingRedefined

public Class<?> getClassBeingRedefined()

The Class this instance is redefining

Returns:

getClassfileBuffer

public byte[] getClassfileBuffer()

Bytecode of the Class this instance is redefining.

Returns: