org.apache.openjpa.enhance

Class PCClassFileTransformer

java.lang.Object

org.apache.openjpa.enhance.PCClassFileTransformer

All Implemented Interfaces:

java.lang.instrument.ClassFileTransformer

public class PCClassFileTransformer
extends java.lang.Object
implements java.lang.instrument.ClassFileTransformer

Transformer that makes persistent classes implement the PersistenceCapable interface at runtime.

Author:

Abe White

Constructor Summary

Constructors

Constructor and Description
PCClassFileTransformer(MetaDataRepository repos, Options opts, java.lang.ClassLoader loader) Constructor.
PCClassFileTransformer(MetaDataRepository repos, PCEnhancer.Flags flags, java.lang.ClassLoader tmpLoader, boolean devscan) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	transform(java.lang.ClassLoader loader, java.lang.String className, java.lang.Class redef, java.security.ProtectionDomain domain, byte[] bytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

PCClassFileTransformer

public PCClassFileTransformer(MetaDataRepository repos,
                      Options opts,
                      java.lang.ClassLoader loader)

Constructor.

Parameters:

repos - metadata repository to use internally

opts - enhancer configuration options

loader - temporary class loader for loading intermediate classes

PCClassFileTransformer

public PCClassFileTransformer(MetaDataRepository repos,
                      PCEnhancer.Flags flags,
                      java.lang.ClassLoader tmpLoader,
                      boolean devscan)

Constructor.

Parameters:

repos - metadata repository to use internally

flags - enhancer configuration

loader - temporary class loader for loading intermediate classes

devscan - whether to scan the dev classpath for persistent types if none are configured

Method Detail

transform

public byte[] transform(java.lang.ClassLoader loader,
               java.lang.String className,
               java.lang.Class redef,
               java.security.ProtectionDomain domain,
               byte[] bytes)
                 throws java.lang.instrument.IllegalClassFormatException

Specified by:

transform in interface java.lang.instrument.ClassFileTransformer

Throws:

java.lang.instrument.IllegalClassFormatException