Edge.h

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#include <string>
using namespace std;
 
#include "LinkVisualizer.h"
 
#ifndef EDGE_H
 
#define EDGE_H
 
namespace bridges {
 
    namespace datastructure {
        template <typename K, typename E2 = K>
        class Edge {
            private:
                // The source vertex of this edge */
                K fromv = K();
 
                // The destination vertex of this edge */
                K tov = K();
 
                // The application specific data of this edge */
                E2 edge_data = E2();
 
                // The link visualizer for this edge
                LinkVisualizer  *lvis;
 
            public:
 
                Edge(const K& from, const K& to, LinkVisualizer* lv, const E2& data = E2()) :
                    fromv(from), tov (to), edge_data(data), lvis(lv) {
 
                }
                ~Edge() {
                    //lvis lifetime is managed by the graph itself
                }
 
                const K& from() const {
                    return fromv;
                }
 
                const K& to() const {
                    return tov;
                }
 
                void setEdgeData(const E2& data) {
                    edge_data = data;
                }
 
                const E2& getEdgeData() const {
                    return edge_data;
                }
                E2& getEdgeData() {
                    return edge_data;
                }
                string getLabel() const {
                    return lvis->getLabel();
                }
 
                void setLabel(const string& lab) {
                    lvis->setLabel(lab);
                }
 
                void setThickness(const double& th) {
                    lvis->setThickness(th);
                }
                double getThickness() const {
                    return lvis->getThickness();
                }
 
                void setColor(const Color& col) {
                    lvis->setColor(col);
                }
                void setColor(const string  col) {
                    lvis->setColor(col);
                }
                Color getColor() const {
                    return lvis->getColor();
                }
                LinkVisualizer *getLinkVisualizer() {
                    return lvis;
                }
        }; //end of Edge class
    }
} // end of bridges namespace
#endif