/* -*- C++ -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library

 *

 * Copyright (C) 2003-2006

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#ifndef LEMON_CLEARABLE_GRAPH_EXTENDER_H

#define LEMON_CLEARABLE_GRAPH_EXTENDER_H

#include <lemon/invalid.h>

namespace lemon {

  template <typename _Base> 

  class ClearableGraphExtender : public _Base {

  public:

    typedef ClearableGraphExtender Graph;

    typedef _Base Parent;

    typedef typename Parent::Node Node;

    typedef typename Parent::Edge Edge;

    void clear() {

      Parent::getNotifier(Node()).clear();

      Parent::getNotifier(Edge()).clear();

      Parent::clear();

    }

  };

  template <typename _Base> 

  class ClearableEdgeSetExtender : public _Base {

  public:

    typedef ClearableEdgeSetExtender Graph;

    typedef _Base Parent;

    typedef typename Parent::Node Node;

    typedef typename Parent::Edge Edge;

    void clear() {

      Parent::getNotifier(Edge()).clear();

      Parent::clear();

    }

  };

  template <typename _Base> 

  class ClearableUGraphExtender : public _Base {

  public:

    typedef ClearableUGraphExtender Graph;

    typedef _Base Parent;

    typedef typename Parent::Node Node;

    typedef typename Parent::UEdge UEdge;

    typedef typename Parent::Edge Edge;

    void clear() {

      Parent::getNotifier(Node()).clear();

      Parent::getNotifier(UEdge()).clear();

      Parent::getNotifier(Edge()).clear();

      Parent::clear();

    }

  };

  template <typename _Base> 

  class ClearableUEdgeSetExtender : public _Base {

  public:

    typedef ClearableUEdgeSetExtender Graph;

    typedef _Base Parent;

    typedef typename Parent::Node Node;

    typedef typename Parent::UEdge UEdge;

    typedef typename Parent::Edge Edge;

    void clear() {

      Parent::getNotifier(UEdge()).clear();

      Parent::getNotifier(Edge()).clear();

      Parent::clear();

    }

  };

  template <typename _Base>

  class ClearableBpUGraphExtender : public _Base {

  public:

    typedef _Base Parent;

    typedef ClearableBpUGraphExtender Graph;

    typedef typename Parent::Node Node;

    typedef typename Parent::BNode BNode;

    typedef typename Parent::ANode ANode;

    typedef typename Parent::Edge Edge;

    typedef typename Parent::UEdge UEdge;

    void clear() {

      Parent::getNotifier(Edge()).clear();

      Parent::getNotifier(UEdge()).clear();

      Parent::getNotifier(Node()).clear();

      Parent::getNotifier(BNode()).clear();

      Parent::getNotifier(ANode()).clear();

      Parent::clear();

    }

  };

}

#endif