//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGNode.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TGNODE_H_
#define _TGNODE_H_

#ifndef _TLIST_H_
#include "TList.h"
#endif

#ifndef _TGPOINT_H_
#include "TGPoint.h"
#endif

#ifndef _TGPOINT2D_H_
#include "TGPoint2D.h"
#endif

#ifndef _TPGEEDGE_H_
#include "TPGeEdge.h"
#endif

#ifndef _TPGEEDGEPATH_H_
#include "TPGeEdgePath.h"
#endif

class GEOAPI TGNode:public TGPoint2D,public TList<TPGeEdge*>
{
public:
	TGNode();

	TGNode(const TGPoint&pt);
	
	~TGNode();

	//从this节点出发找通往pNodeTo可能的唯一路径(不经过LOCKED节点和边)
	//this不等于pNodeTo!,pNodeTo可以为NULL
	bool FindNode(TGNode*pNodeTo,TPGeEdgePath&path);

	bool operator ==(const TGPoint&pt)const;
	
	bool operator > (const TGNode&)const;
	
	bool operator < (const TGNode&)const;
};

#endif