39709d3d12
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@788 331e1502-861f-0410-8da2-ba01fb791d7f
120 lines
4 KiB
C++
120 lines
4 KiB
C++
/*
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* <moeoArchiveObjectiveVectorSavingUpdater.h>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
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* (C) OPAC Team, LIFL, 2002-2007
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*
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* Arnaud Liefooghe
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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//-----------------------------------------------------------------------------
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#ifndef MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
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#define MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_
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#include <fstream>
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#include <string>
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#include <eoPop.h>
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#include <utils/eoUpdater.h>
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#include <archive/moeoArchive.h>
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#define MAX_BUFFER_SIZE 1000
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/**
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* This class allows to save the objective vectors of the solutions contained in an archive into a file at each generation.
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*/
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template < class MOEOT >
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class moeoArchiveObjectiveVectorSavingUpdater : public eoUpdater
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{
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public:
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/**
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* Ctor
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* @param _arch local archive
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* @param _filename target filename
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* @param _count put this variable to true if you want a new file to be created each time () is called and to false if you only want the file to be updated
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* @param _id own ID
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*/
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moeoArchiveObjectiveVectorSavingUpdater (moeoArchive<MOEOT> & _arch, const std::string & _filename, bool _count = false, int _id = -1) :
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arch(_arch), filename(_filename), count(_count), counter(0), id(_id)
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{}
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/**
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* Saves the fitness of the archive's members into the file
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*/
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void operator()()
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{
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char buff[MAX_BUFFER_SIZE];
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if (count)
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{
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if (id == -1)
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{
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sprintf (buff, "%s.%u", filename.c_str(), counter ++);
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}
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else
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{
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sprintf (buff, "%s.%u.%u", filename.c_str(), id, counter ++);
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}
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}
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else
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{
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if (id == -1)
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{
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sprintf (buff, "%s", filename.c_str());
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}
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else
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{
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sprintf (buff, "%s.%u", filename.c_str(), id);
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}
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counter ++;
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}
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std::ofstream f(buff);
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for (unsigned int i = 0; i < arch.size (); i++)
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f << arch[i].objectiveVector() << std::endl;
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f.close ();
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}
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private:
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/** local archive */
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moeoArchive<MOEOT> & arch;
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/** target filename */
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std::string filename;
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/** this variable is set to true if a new file have to be created each time () is called and to false if the file only HAVE to be updated */
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bool count;
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/** counter */
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unsigned int counter;
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/** own ID */
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int id;
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};
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#endif /*MOEOARCHIVEOBJECTIVEVECTORSAVINGUPDATER_H_*/
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