org.perfectjpattern.core.behavioral.chainofresponsibility
Class OnlyOneHandleStrategy

java.lang.Object
  org.perfectjpattern.core.behavioral.chainofresponsibility.OnlyOneHandleStrategy

All Implemented Interfaces:

IChainStrategy, IStrategy

public final class OnlyOneHandleStrategy
extends Object
implements IChainStrategy

Concrete implementation of IChainStrategy that allows only one IHandler to handle the given request then stops the processing of the chain.

OnlyOneHandleStrategy is stateless, reentrant and a Singleton therefore it may not be directly instantiated, neither it may be extended.

Version:

$Revision: 1.0 $ $Date: Nov 8, 2007 9:57:12 PM $

Author:

Giovanni Azua

Method Summary

static IChainStrategy	getInstance() Returns Singleton instance of OnlyOneHandlesStrategy.
void	process(IHandler<Object> aHandler, Object aRequest) Defines the decision-logic regarding handling and forwarding of the requests.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static IChainStrategy getInstance()

Returns Singleton instance of OnlyOneHandlesStrategy.

Returns:

Singleton instance of OnlyOneHandlesStrategy.

process

public void process(IHandler<Object> aHandler,
                    Object aRequest)

Defines the decision-logic regarding handling and forwarding of the requests.

Specified by:

process in interface IChainStrategy

Parameters:

aHandler - Chain of Responsibility IHandler instance.

aRequest - Request to process