Package org.jrd.agent

Class InstrumentationProvider

java.lang.Object

org.jrd.agent.InstrumentationProvider

public class InstrumentationProvider
extends Object

This class stores instrumentation and transformer objects and handles the transformation, retrieval of bytecode and class names.

Author:

pmikova

Method Summary

Modifier and Type	Method	Description
byte[]	findClassBody(String className)	Finds class object corresponding to the class name and returns its bytecode.
void	getClassesNames(LinkedBlockingQueue<String> queue, Boolean abort)	Inserts names of classes into queue.
void	setClassBody(String cname, byte[] nwBody)

Methods inherited from class java.lang.Object

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

Method Detail

setClassBody

public void setClassBody(String cname,
                         byte[] nwBody)
                  throws UnmodifiableClassException

Throws:

UnmodifiableClassException

findClassBody

public byte[] findClassBody(String className)
                     throws UnmodifiableClassException

Finds class object corresponding to the class name and returns its bytecode.

Parameters:

className - name of class we want to get

Returns:

bytecode of given class

Throws:

UnmodifiableClassException - if the class can not be retransformed

getClassesNames

public void getClassesNames(LinkedBlockingQueue<String> queue,
                            Boolean abort)
                     throws InterruptedException

Inserts names of classes into queue. Stops execution when it receives abort signal.

Parameters:

queue - output queue

abort - abort signal

Throws:

InterruptedException - interrupted exception