org.codehaus.aspectwerkz.attribdef.aspect
Interface IntroductionContainer

All Known Implementing Classes:

DefaultIntroductionContainerStrategy

public interface IntroductionContainer

Interface for the introduction container implementations.

Author:

Alexandre Vasseur

Method Summary

java.lang.Class	getTargetClass(java.lang.Object mixinImpl) Returns the target class from an introduction
java.lang.Object	getTargetInstance(java.lang.Object mixinImpl) Returns the target instance from an introduction
java.lang.Object	invokeIntroductionPerClass(java.lang.Object callingObject, int methodIndex, java.lang.Object[] parameters) Invokes the method on a per class basis.
java.lang.Object	invokeIntroductionPerInstance(java.lang.Object callingObject, int methodIndex, java.lang.Object[] parameters) Invokes the method on a per instance basis.
java.lang.Object	invokeIntroductionPerJvm(int methodIndex, java.lang.Object[] parameters) Invokes the method on a per JVM basis.
java.lang.Object	invokeIntroductionPerThread(int methodIndex, java.lang.Object[] parameters) Invokes the method on a per thread basis.
void	swapImplementation(java.lang.Class implClass) Swaps the current introduction implementation.

Method Detail

invokeIntroductionPerJvm

public java.lang.Object invokeIntroductionPerJvm(int methodIndex,
                                                 java.lang.Object[] parameters)

Invokes the method on a per JVM basis.

Parameters:

methodIndex - the method index

parameters - the parameters for the invocation

Returns:

the result from the method invocation

invokeIntroductionPerClass

public java.lang.Object invokeIntroductionPerClass(java.lang.Object callingObject,
                                                   int methodIndex,
                                                   java.lang.Object[] parameters)

Invokes the method on a per class basis.

Parameters:

callingObject - a reference to the calling object

methodIndex - the method index

parameters - the parameters for the invocation

Returns:

the result from the method invocation

invokeIntroductionPerInstance

public java.lang.Object invokeIntroductionPerInstance(java.lang.Object callingObject,
                                                      int methodIndex,
                                                      java.lang.Object[] parameters)

Invokes the method on a per instance basis.

Parameters:

callingObject - a reference to the calling object

methodIndex - the method index

parameters - the parameters for the invocation

Returns:

the result from the method invocation

invokeIntroductionPerThread

public java.lang.Object invokeIntroductionPerThread(int methodIndex,
                                                    java.lang.Object[] parameters)

Invokes the method on a per thread basis.

Parameters:

methodIndex - the method index

parameters - the parameters for the invocation

Returns:

the result from the method invocation

swapImplementation

public void swapImplementation(java.lang.Class implClass)

Swaps the current introduction implementation.

Parameters:

implClass - the class of the new implementation to use

getTargetInstance

public java.lang.Object getTargetInstance(java.lang.Object mixinImpl)

Returns the target instance from an introduction

Parameters:

mixinImpl - aka "this" from the mixin impl

Returns:

the target instance or null (if not perInstance deployed mixin)

getTargetClass

public java.lang.Class getTargetClass(java.lang.Object mixinImpl)

Returns the target class from an introduction

Parameters:

mixinImpl - aka "this" from the mixin impl

Returns:

the target class or null (if not perInstance or perClas deployed mixin)