org.sourceforge.jemm.weaver.transformation
Class ShadowTransformation

java.lang.Object
  org.sourceforge.jemm.weaver.transformation.AbstractClassTransformation
      org.sourceforge.jemm.weaver.transformation.ShadowTransformation

All Implemented Interfaces:

Transformation

public class ShadowTransformation
extends AbstractClassTransformation

Adds the ShadowObject field called jemmOIF to the class.

Author:

Paul Keeble

Field Summary

static java.lang.String	COMPILER_VERSION_VARIABLE_NAME The name of the compiler version variable added to user classes.
static java.lang.String	SHADOW_CLASS The class of the shadow reference held by user classes.
static java.lang.String	SHADOW_VARIABLE_NAME The name of the ShadowObject variable added to user classes.
protected javassist.CtClass	type

Constructor Summary

ShadowTransformation()
Creates a new ShadowObject.

Method Summary

java.lang.String[]	dependentTransforms() Has no dependencies and hence returns an empty array
void	transform(javassist.CtClass clazz) Adds the ShadowObject instance to the class as a protected field.

Methods inherited from class org.sourceforge.jemm.weaver.transformation.AbstractClassTransformation

equals, getTransformationName, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SHADOW_VARIABLE_NAME

public static final java.lang.String SHADOW_VARIABLE_NAME

The name of the ShadowObject variable added to user classes.

See Also:

Constant Field Values

COMPILER_VERSION_VARIABLE_NAME

public static final java.lang.String COMPILER_VERSION_VARIABLE_NAME

The name of the compiler version variable added to user classes.

See Also:

Constant Field Values

SHADOW_CLASS

public static final java.lang.String SHADOW_CLASS

The class of the shadow reference held by user classes.

type

protected final javassist.CtClass type

Constructor Detail

ShadowTransformation

public ShadowTransformation()
                     throws javassist.NotFoundException

Creates a new ShadowObject.

Throws:

javassist.NotFoundException - If ShadowObject class can not be loaded

Method Detail

transform

public void transform(javassist.CtClass clazz)
               throws TransformationException

Adds the ShadowObject instance to the class as a protected field.

Specified by:

transform in interface Transformation

Specified by:

transform in class AbstractClassTransformation

Parameters:

clazz - The class to modify

Throws:

TransformationException - If the field can not be added.

dependentTransforms

public java.lang.String[] dependentTransforms()

Has no dependencies and hence returns an empty array

Specified by:

dependentTransforms in interface Transformation

Specified by:

dependentTransforms in class AbstractClassTransformation

Returns:

A list of transforms that must run first.