networkEdgeMetric.h

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/*********************************************************************
** Copyright (c) 2001 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: netwrkEdgMet.h,v $ $Revision: 1.9 $ $State: Exp $
*********************************************************************/

#pragma once

#include "gdb/gdbDefines.h"
#include "gdb/metric.h"

class DtNetworkEdge;
class DtPoint;

class DT_DLL_gdb DtNetworkEdgeMetric : public DtMetric
{
public:

   DtNetworkEdgeMetric();

   virtual ~DtNetworkEdgeMetric();

   DtNetworkEdgeMetric(const DtNetworkEdgeMetric& orig);

   DtNetworkEdgeMetric& operator=(const DtNetworkEdgeMetric& orig);

public:

   virtual double measure(const DtNetworkEdge& edge) const = 0;

   virtual bool valid(const DtNetworkEdge& edge) const = 0;

   virtual bool validSW(double xx, double yy) const = 0;

   virtual bool validSE(double xx, double yy) const = 0;

   virtual bool validNE(double xx, double yy) const = 0;

   virtual bool validNW(double xx, double yy) const = 0;

   virtual double heuristic(const DtPoint& source, const DtPoint& dest) const = 0;

};