// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

//-----------------------------------------------------------------------------
// moeoArchiveUpdater.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
/*
    This library...

    Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
 */
//-----------------------------------------------------------------------------

#ifndef MOEOARCHIVEUPDATER_H_
#define MOEOARCHIVEUPDATER_H_

#include <eoPop.h>
#include <utils/eoUpdater.h>
#include <moeoArchive.h>

/**
 * This class allows to update the archive at each generation with newly found non-dominated solutions.
 */
template < class MOEOT >
class moeoArchiveUpdater : public eoUpdater
{
public:

    /**
     * Ctor
     * @param _arch an archive of non-dominated solutions
     * @param _pop the main population
     */
    moeoArchiveUpdater(moeoArchive < MOEOT > & _arch, const eoPop < MOEOT > & _pop) : arch(_arch), pop(_pop)
    {}


    /**
     * Updates the archive with newly found non-dominated solutions contained in the main population
     */
    void operator()() {
        arch.update(pop);
    }


private:

    /** the archive of non-dominated solutions */
    moeoArchive < MOEOT > & arch;
    /** the main population */
    const eoPop < MOEOT > & pop;

};

#endif /*MOEOARCHIVEUPDATER_H_*/