/*********************************************************************
*
*  name:    MemTrk.h
*
*  copyright:   Shanghai Baosight Software Co., Ltd.
*
*  Version history
*     1.0    2020-02-16    zoufuzhou    create
*
*********************************************************************/
#ifndef _H_MEM_TRK_H
#define _H_MEM_TRK_H

#include <zlib/zoneDef.h>

using namespace baosight;

class CMemTrk
{
public:
	CMemTrk();
public:
	~CMemTrk(void);
public:


	TRK_UNIT* operator()(int zone);


	TRK_UNIT* operator()(int zone,int ti);


	TRK_UNIT* operator()(int zone,const string& coilid);

	TRK_UNIT* isNull();


	//index: history cache index
	TRK_UNIT* getHistory(int zone,int index);
	TRK_UNIT* getHistory(int zone,const string& entId);

	TRK_UNIT* getPrev(int zone,int ti);
	TRK_UNIT* getPrev(int zone,const string& entId);

	TRK_UNIT* getNext(int zone,int ti);
	TRK_UNIT* getNext(int zone,const string& entId);

	//set the coil zone start pos
	void setStart(int zone,int start,int ti = 0);

	//set the coil zone end pos
	void setEnd(int zone,int start,int ti = 0);

	//mm
	long getCoilLen(int ti);


	//process coil move forward backup
	void backup(int zone);

	//process coil move forward backup
	void backup(void);

	//process coil shift back
	void rollback(int zone,int ti);

	void copy(TRK_UNIT* dist,TRK_UNIT* source);
	//process coil shift length
	void shift(int ti,int shiftlength);

	void shiftSpring(int ti,int shiftlength);

	void shiftBackward(int zone,int shiftlength = 0);


private:
	TRK_UNIT   ptr_null;
	//TRK_ZONES*  p_trk;
	TRK_ZONE*   mp_trk;

};

#endif