org.jboss.ejb3.common.proxy.spi
Class ChainedProcessingInvocationHandler

java.lang.Object
  org.jboss.ejb3.common.proxy.spi.ChainedProcessingInvocationHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class ChainedProcessingInvocationHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

ChainedProcessingInvocationHandler A Chain of Processors which may be invoked in succession. At the end of the chain is an underlying delegate instance to be invoked via reflection.

Constructor Summary

ChainedProcessingInvocationHandler(java.lang.Object delegate, ChainableProcessor processor)

ChainedProcessingInvocationHandler(java.lang.Object delegate, ChainableProcessor[] handlerChain)

Method Summary

java.lang.Object	getDelegate()
protected ChainableProcessor[]	getHandlerChain()
protected int	getNextHandlerIndex()
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) Provides a base invocation mechanism under which the request is passed along to the delegate instance
java.lang.Object	invokeNext(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) Invokes the next processor in the chain with the specified arguments.
void	reset() Resets the internal counter for the next processor in the chain
protected void	setDelegate(java.lang.Object delegate)
protected void	setHandlerChain(ChainableProcessor[] handlerChain)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChainedProcessingInvocationHandler

public ChainedProcessingInvocationHandler(java.lang.Object delegate,
                                          ChainableProcessor processor)

ChainedProcessingInvocationHandler

public ChainedProcessingInvocationHandler(java.lang.Object delegate,
                                          ChainableProcessor[] handlerChain)

Method Detail

invokeNext

public java.lang.Object invokeNext(java.lang.Object proxy,
                                   java.lang.reflect.Method method,
                                   java.lang.Object[] args)
                            throws java.lang.Throwable

Invokes the next processor in the chain with the specified arguments. In the event we've reached the end of the chain, the underlying delegate will be invoked via reflection

Parameters:

proxy -

method -

args -

Returns:

Throws:

java.lang.Throwable

reset

public void reset()

Resets the internal counter for the next processor in the chain

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Provides a base invocation mechanism under which the request is passed along to the delegate instance

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable

getDelegate

public java.lang.Object getDelegate()

setDelegate

protected void setDelegate(java.lang.Object delegate)

getHandlerChain

protected ChainableProcessor[] getHandlerChain()

setHandlerChain

protected void setHandlerChain(ChainableProcessor[] handlerChain)

getNextHandlerIndex

protected int getNextHandlerIndex()