dedge.h

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#ifndef GRAPH_GRAPH_DEDGE_H
#define GRAPH_GRAPH_DEDGE_H
 
 
//=============================================================================
//      H E A D E R  F I L E S
//=============================================================================
 
#include <graph/config/graph_config.h>
#ifndef GRAPH_GRAPH_EDGE_H
#include <graph/graph/edge.h>
#endif
 
 
//=============================================================================
//      C L A S S  D E C L A R A T I O N
//=============================================================================

class GRAPH_API DEdge : public Edge
{
        /*      Graph factories call the constructor
        */
        friend class GraphFactory;
 
public:
 
        virtual ~DEdge();
 
        //---------------------------------------------------------------------
        //---------------------------------------------------------------------

        virtual bool isDirected() const;

        virtual bool isUndirected() const;

 
protected:
 
        //---------------------------------------------------------------------
        //---------------------------------------------------------------------

        DEdge(std::string s);

        DEdge(const DEdge& x);

        virtual Edge* cloneEdge() const;

 
private:
 
        //---------------------------------------------------------------------
        //---------------------------------------------------------------------

        DEdge& operator=(const DEdge&);

};
 
 
#endif