Node.h

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#pragma once
 
#include <ogdf/basic/Graph.h>
 
namespace ogdf {
namespace energybased {
namespace fmmm {
 
class Node {
    friend int value(const Node& A) { return A.value; }
 
    friend std::ostream& operator<<(std::ostream& output, const Node& A) {
        output << "node index ";
        if (A.vertex == nullptr) {
            output << "nil";
        } else {
            output << A.vertex->index();
        }
        output << " value " << A.value;
        return output;
    }
 
    friend std::istream& operator>>(std::istream& input, Node& A) {
        input >> A.value;
        return input;
    }
 
public:
    Node() {
        vertex = nullptr;
        value = 0;
    }
 
    void set_Node(node v, int a) {
        vertex = v;
        value = a;
    }
 
    int get_value() const { return value; }
 
    node get_node() const { return vertex; }
 
private:
    node vertex;
    int value;
};
 
}
}
}