/*
* <moeoDummyDiversityAssignment.h>
* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
* (C) OPAC Team, LIFL, 2002-2007
*
* Arnaud Liefooghe
*
* 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
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and,  more generally, to use and operate it in the
* same conditions as regards security.
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*
* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
* Contact: paradiseo-help@lists.gforge.inria.fr
*
*/
//-----------------------------------------------------------------------------

#ifndef MOEODUMMYDIVERSITYASSIGNMENT_H_
#define MOEODUMMYDIVERSITYASSIGNMENT_H_

#include<diversity/moeoDiversityAssignment.h>

/**
 * moeoDummyDiversityAssignment is a moeoDiversityAssignment that gives the value '0' as the individual's diversity for a whole population if it is invalid.
 */
template < class MOEOT >
class moeoDummyDiversityAssignment : public moeoDiversityAssignment < MOEOT >
  {
  public:

    /** The type for objective vector */
    typedef typename MOEOT::ObjectiveVector ObjectiveVector;


    /**
     * Sets the diversity to '0' for every individuals of the population _pop if it is invalid
     * @param _pop the population
     */
    void operator () (eoPop < MOEOT > & _pop)
    {
      for (unsigned int idx = 0; idx<_pop.size (); idx++)
        {
          if (_pop[idx].invalidDiversity())
            {
              // set the diversity to 0
              _pop[idx].diversity(0.0);
            }
        }
    }


    /**
     * Updates the diversity values of the whole population _pop by taking the deletion of the objective vector _objVec into account.
     * @param _pop the population
     * @param _objVec the objective vector
     */
    void updateByDeleting(eoPop < MOEOT > & _pop, ObjectiveVector & _objVec)
    {
      // nothing to do...  ;-)
    }

  };

#endif /*MOEODUMMYDIVERSITYASSIGNMENT_H_*/