/*
* <moeoAllSolAllNeighborsExpl.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
* (C) OPAC Team, LIFL, 2002-2008
*
* Arnaud Liefooghe
* Jérémie Humeau
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software.  You can  use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and  rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty  and the software's author,  the holder of the
* economic rights,  and the successive licensors  have only  limited liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading,  using,  modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean  that it is complicated to manipulate,  and  that  also
* therefore means  that it is reserved for developers  and  experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
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* same conditions as regards security.
* The fact that you are presently reading this means that you have had
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*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.gforge.inria.fr
*
*/
//-----------------------------------------------------------------------------

#ifndef _MOEOALLSOLALLNEIGHBORSEXPL_H
#define _MOEOALLSOLALLNEIGHBORSEXPL_H

#include <eo>
#include <moeo>
#include <moMove.h>
#include <moMoveInit.h>
#include <moNextMove.h>
#include <moMoveIncrEval.h>

/**
 * TODO
 */
template < class Move >
class moeoAllSolAllNeighborsExpl : public moeoPopNeighborhoodExplorer < Move >
{
    typedef typename Move::EOType MOEOT;
    typedef typename MOEOT::ObjectiveVector ObjectiveVector;

public:

    moeoAllSolAllNeighborsExpl(
        moMoveInit < Move > & _moveInit,
        moNextMove < Move > & _nextMove,
        moMoveIncrEval < Move, ObjectiveVector > & _incrEval)
            : moveInit(_moveInit), nextMove(_nextMove), incrEval(_incrEval){}

    void operator()(eoPop < MOEOT > & _src, eoPop < MOEOT > & _dest)
    {
        Move move;
        ObjectiveVector objVec;
        for (unsigned int i=0; i<_src.size(); i++)
        {
            if (_src[i].flag() == 0)
            {
                moveInit(move, _src[i]);
                do
                {
                    objVec = incrEval(move, _src[i]);
                    if (! comparator (objVec, _src[i].objectiveVector()))
                    {
                        if (objVec != _src[i].objectiveVector())
                        {
                            _dest.push_back(_src[i]);
                            move(_dest.back());
                            _dest.back().objectiveVector(objVec);
                            _dest.back().flag(0);
                        }
                    }
                }
                while (nextMove(move, _src[i]));
                _src[i].flag(1);
            }
        }
    }

private:
    /** the move initializer */
    moMoveInit < Move > & moveInit;
    /** the neighborhood explorer */
    moNextMove < Move > & nextMove;
    /** the incremental evaluation */
    moMoveIncrEval < Move, ObjectiveVector > & incrEval;
    /** comparator */
    moeoParetoObjectiveVectorComparator<ObjectiveVector> comparator;

};

#endif /*_MOEOALLSOLALLNEIGHBORSEXPL_H_*/