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ICommand.h：源码内容

							/********************************************************************
	created:	2003/04/08
	file base:	ICommand
	file ext:	h
	author:		liupeng
	
	purpose:	
*********************************************************************/
#ifndef __INCLUDE_ICOMMAND_H__
#define __INCLUDE_ICOMMAND_H__
#include "Macro.h"
/*
 * Interface class for execute command
 */
class ICommand
{
public:
	virtual bool Execute() = 0;
	virtual unsigned long GetFaildValue() = 0;
	virtual ~ICommand(){};
};
/*
 * template classs
 */
template <class Receive>
class CTaskCommand : public ICommand
{
public:
	typedef bool ( Receive::* Action )();
	
	explicit CTaskCommand( Receive *pReceiver, Action pfunAction, unsigned long dwFaildValue );
	virtual ~CTaskCommand();
	virtual bool Execute();
	virtual unsigned long GetFaildValue() { return m_dwFaildValue; };
protected:
	CTaskCommand();
	/*
	 * This function pointer is used to execute command
	 */
	Action	 m_pfunAction;
	/*
	 * The receiver class
	 */
	Receive	*m_pReceiver;
	/*
	 * Store a faild value for return it to user when this class was found error
	 */
	unsigned long m_dwFaildValue;
};
template <class Receive>
CTaskCommand<Receive>::CTaskCommand( Receive *pReceiver, Action pfunAction, unsigned long dwFaildValue )
			: m_pReceiver( pReceiver ), 
			m_pfunAction( pfunAction ),
			m_dwFaildValue( dwFaildValue )
{
}
template <class Receive>
CTaskCommand<Receive>::CTaskCommand()
{
	ASSERT( FALSE );
}
template <class Receive>
CTaskCommand<Receive>::~CTaskCommand()
{
}
template <class Receive>
bool CTaskCommand<Receive>::Execute()
{
	return ( m_pReceiver->*m_pfunAction )();
}
#endif // __INCLUDE_ICOMMAND_H__

						