Edge.h

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#ifndef EDGE_H_INCLUDED
#define EDGE_H_INCLUDED
/*
 * Copyright 2011-2016 Universiteit Antwerpen
 *
 * Licensed under the EUPL, Version 1.1 or  as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at: http://ec.europa.eu/idabc/eupl5
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 */
#include <iosfwd>

namespace SimPT_Sim {

class Node;

class Edge
{
public:
        Edge(Node* f = nullptr, Node* s = nullptr)
                        : m_first(f), m_second(s) {}

        bool operator==(const Edge& e) const
        {
                return ((m_first == e.m_first && m_second == e.m_second) || (m_first == e.m_second && m_second == e.m_first));
        }

        Node* GetFirst() const
        {
                return m_first;
        }

        Node* GetSecond() const
        {
                return m_second;
        }

        bool IsFixed() const;

        std::ostream& Print(std::ostream& os) const;

private:
        Node* m_first;
        Node* m_second;
};

inline std::ostream& operator<<(std::ostream& os, const Edge& e)
{
        e.Print(os);
        return os;
}

}

#endif //end_of_include_guard