org.hibernate.jpa.internal.enhance

Class EnhancingClassTransformerImpl

java.lang.Object

org.hibernate.jpa.internal.enhance.EnhancingClassTransformerImpl

All Implemented Interfaces:

ClassTransformer

public class EnhancingClassTransformerImpl
extends Object
implements ClassTransformer

Author:

Steve Ebersole, Luis Barreiro

Constructor Summary

Constructors

Constructor and Description
EnhancingClassTransformerImpl(EnhancementContext enhancementContext)

Method Summary

Modifier and Type	Method and Description
byte[]	transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) Invoked when a class is being loaded or redefined to add hooks for persistence bytecode manipulation.

Methods inherited from class java.lang.Object

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

Constructor Detail

EnhancingClassTransformerImpl

public EnhancingClassTransformerImpl(EnhancementContext enhancementContext)

Method Detail

transform

public byte[] transform(ClassLoader loader,
                        String className,
                        Class<?> classBeingRedefined,
                        ProtectionDomain protectionDomain,
                        byte[] classfileBuffer)
                 throws IllegalClassFormatException

Description copied from interface: ClassTransformer

Invoked when a class is being loaded or redefined to add hooks for persistence bytecode manipulation.

Specified by:

transform in interface ClassTransformer

Parameters:

loader - the defining class loaderof the class being transformed. It may be null if using bootstrap loader

className - The name of the class being transformed

classBeingRedefined - If an already loaded class is being redefined, then pass this as a parameter

protectionDomain - ProtectionDomain of the class being (re)-defined

classfileBuffer - The input byte buffer in class file format

Returns:

A well-formed class file that can be loaded

Throws:

IllegalClassFormatException - if the input does not represent a well-formed class file