?? chainofresponsibility.h
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/********************************************************************
created: 2006/07/20
filename: ChainOfResponsibility.h
author: 李創
http://www.cppblog.com/converse/
purpose: ChainOfResponsibility模式的演示代碼
*********************************************************************/
#ifndef CHAINOFRESPONSIBILITY_H
#define CHAINOFRESPONSIBILITY_H
#include <stdio.h>
// 抽象基類,定義一個處理請求的接口
class Handler
{
public:
Handler(Handler *pSuccessor = NULL);
virtual ~Handler();
// 純虛函數,由派生類實現
virtual void HandleRequset() = 0;
protected:
Handler* m_pSuccessor;
};
class ConcreateHandler1
: public Handler
{
public:
ConcreateHandler1(Handler *pSuccessor = NULL) : Handler(pSuccessor){}
virtual ~ConcreateHandler1(){}
virtual void HandleRequset();
};
class ConcreateHandler2
: public Handler
{
public:
ConcreateHandler2(Handler *pSuccessor = NULL) : Handler(pSuccessor){}
virtual ~ConcreateHandler2(){}
virtual void HandleRequset();
};
#endif
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