#ifndef _DATA_ENGINE_H_031104#define _DATA_ENGINE_H_031104#include "Tse.h"enum dataengine_type{	FILE_ENGINE,	DATABASE_ENGINE};class CDataEngine{public:	string m_str;	// database engine ---connecting string			// file engine ---file path & namepublic:	CDataEngine(string str);	CDataEngine();	virtual ~CDataEngine();	virtual int GetEngineType() = 0;	virtual bool Write(void *arg) = 0;	virtual bool Open(string str) = 0;	virtual void Close() = 0;};#endif /*_DATA_ENGINE_H_031104*/