XXGraphEdge.h

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#ifndef XXDiscreteMathsEdgeH
#define XXDiscreteMathsEdgeH
 
#include "XXMathExportDef.h"
 
#include "XXGraph.h"
 
class Vertex;
 
namespace XX
{
 
   class XXMATH_DECLSPEC Graph::Edge
   {
   public:
      static const double invalidWeight;
 
   public:
      Edge(Vertex* vertexA = nullptr, Vertex* vertexB = nullptr, const double& weightForward = 1.0, const double& weightBackward = Edge::invalidWeight);
 
   public:
      virtual double getForwardWeight() const;
      virtual double getBackwardWeight() const;
      bool hasForwardLink() const;
      bool hasBackwardLink() const;
      bool linksVertex(const Vertex* vertex) const;
 
      const Vertex* getVertexA() const;
      const Vertex* getVertexB() const;
 
   protected:
      Vertex* vertexA;
      Vertex* vertexB;
      double weightForward;
      double weightBackward;
 
   private:
      friend class Graph;
   };
} // namespace XX
 
#endif // NOT XXDiscreteMathsEdgeH