l2provider.h

软件体系结构中的层模式实现

// L2Provider.h: interface for the L2Provider class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_L2PROVIDER_H__99AF081E_652E_43F4_9CF4_7BF89BC3987F__INCLUDED_)
#define AFX_L2PROVIDER_H__99AF081E_652E_43F4_9CF4_7BF89BC3987F__INCLUDED_

#include "L1Provider.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class L2Provider  
{
public:
	virtual void setLowerLayer(L1Provider *l1);
	virtual void L2Service() =0;
	L2Provider();
	virtual ~L2Provider();

protected:
	L1Provider *level1;
};

#endif // !defined(AFX_L2PROVIDER_H__99AF081E_652E_43F4_9CF4_7BF89BC3987F__INCLUDED_)