335b1f9fc1
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@311 331e1502-861f-0410-8da2-ba01fb791d7f
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// moeoArchiveObjectiveVectorSavingUpdater.h
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// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2007
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/*
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This library...
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Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
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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 <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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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 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 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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