jmplib.agent.impl

Class VersionClassLoadTimeTransformer

java.lang.Object

jmplib.agent.AbstractTransformer

jmplib.agent.impl.VersionClassLoadTimeTransformer

All Implemented Interfaces:

java.lang.instrument.ClassFileTransformer

public class VersionClassLoadTimeTransformer
extends AbstractTransformer

This transformer instruments version classes adding annotations to its constructors.

Author:

Ignacio Lagartos

Constructor Summary

Constructors

Constructor and Description
VersionClassLoadTimeTransformer()

Method Summary

Modifier and Type	Method and Description
protected boolean	instrumentableClass(java.lang.String className, java.lang.Class<?> classBeingRedefined) It is aplicable when it is the first load of the class and the class is a version class.
protected byte[]	transform(java.lang.String className, java.lang.Class<?> classBeingRedefined, byte[] classfileBuffer) Annotates the constructors of the class.

Methods inherited from class jmplib.agent.AbstractTransformer

transform

Methods inherited from class java.lang.Object

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

Constructor Detail

VersionClassLoadTimeTransformer

public VersionClassLoadTimeTransformer()

Method Detail

transform

protected byte[] transform(java.lang.String className,
                           java.lang.Class<?> classBeingRedefined,
                           byte[] classfileBuffer)

Annotates the constructors of the class.

Specified by:

transform in class AbstractTransformer

Parameters:

className - The internal class name

classBeingRedefined - The Class object or nullF

classfileBuffer - The bytes of the class

Returns:

instrumentableClass

protected boolean instrumentableClass(java.lang.String className,
                                      java.lang.Class<?> classBeingRedefined)

It is aplicable when it is the first load of the class and the class is a version class.

Specified by:

instrumentableClass in class AbstractTransformer

Parameters:

className - The internal class name

classBeingRedefined - The Class object

Returns: