l3provider.h

软件体系结构中的层模式实现

// L3Provider.h: interface for the L3Provider class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_L3PROVIDER_H__377C3376_8E07_4B1E_B673_3E516C7C50A4__INCLUDED_)
#define AFX_L3PROVIDER_H__377C3376_8E07_4B1E_B673_3E516C7C50A4__INCLUDED_

#include "L2Provider.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class L3Provider  
{
public:
	void setLowerLayer(L2Provider *l2);
	virtual void L3Service()=0 ;
	L3Provider();
	virtual ~L3Provider();

protected:
	L2Provider *level2;
};

#endif // !defined(AFX_L3PROVIDER_H__377C3376_8E07_4B1E_B673_3E516C7C50A4__INCLUDED_)