peoSyncMultiStart.h

00001 /* 
00002 * <peoSyncMultiStart.h>
00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
00004 * (C) OPAC Team, LIFL, 2002-2007
00005 *
00006 * Sebastien Cahon, Alexandru-Adrian Tantar
00007 *
00008 * This software is governed by the CeCILL license under French law and
00009 * abiding by the rules of distribution of free software.  You can  use,
00010 * modify and/ or redistribute the software under the terms of the CeCILL
00011 * license as circulated by CEA, CNRS and INRIA at the following URL
00012 * "http://www.cecill.info".
00013 *
00014 * As a counterpart to the access to the source code and  rights to copy,
00015 * modify and redistribute granted by the license, users are provided only
00016 * with a limited warranty  and the software's author,  the holder of the
00017 * economic rights,  and the successive licensors  have only  limited liability.
00018 *
00019 * In this respect, the user's attention is drawn to the risks associated
00020 * with loading,  using,  modifying and/or developing or reproducing the
00021 * software by the user in light of its specific status of free software,
00022 * that may mean  that it is complicated to manipulate,  and  that  also
00023 * therefore means  that it is reserved for developers  and  experienced
00024 * professionals having in-depth computer knowledge. Users are therefore
00025 * encouraged to load and test the software's suitability as regards their
00026 * requirements in conditions enabling the security of their systems and/or
00027 * data to be ensured and,  more generally, to use and operate it in the
00028 * same conditions as regards security.
00029 * The fact that you are presently reading this means that you have had
00030 * knowledge of the CeCILL license and that you accept its terms.
00031 *
00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
00033 * Contact: paradiseo-help@lists.gforge.inria.fr
00034 *
00035 */
00036 
00037 #ifndef __peoSyncMultiStart_h
00038 #define __peoSyncMultiStart_h
00039 
00040 #include <utils/eoUpdater.h>
00041 #include <moAlgo.h>
00042 
00043 #include <eoSelect.h>
00044 #include <eoReplacement.h>
00045 #include <eoContinue.h>
00046 
00047 #include "core/service.h"
00048 #include "core/messaging.h"
00049 #include "core/peo_debug.h"
00050 
00051 
00052 extern int getNodeRank();
00053 
00054 
00056 
00064 template< class EOT > class peoSyncMultiStart : public Service, public eoUpdater {
00065 
00066 public:
00067 
00075         peoSyncMultiStart( 
00076 
00077                                 eoContinue< EOT >& __cont,
00078                                 eoSelect< EOT >& __select,
00079                                 eoReplacement< EOT >& __replace,
00080                                 moAlgo< EOT >& __ls, 
00081                                 eoPop< EOT >& __pop 
00082                 );
00083 
00086         void operator()();
00087 
00090         void packData();
00091 
00094         void unpackData();
00095 
00098         void execute();
00099 
00102         void packResult();
00103 
00106         void unpackResult();
00107 
00110         void notifySendingData();
00111 
00114         void notifySendingAllResourceRequests();
00115 
00116 private:
00117 
00118         eoContinue< EOT >& cont;
00119         eoSelect< EOT >& select;
00120         eoReplacement< EOT >& replace;
00121 
00122         moAlgo< EOT >& ls;
00123 
00124         eoPop< EOT >& pop;
00125         eoPop< EOT > sel;
00126         eoPop< EOT > impr_sel;
00127 
00128         EOT sol;
00129         unsigned idx;
00130         unsigned num_term;
00131 };
00132 
00133 
00134 template< class EOT > peoSyncMultiStart< EOT > :: peoSyncMultiStart( 
00135 
00136                                 eoContinue < EOT >& __cont, 
00137                                 eoSelect< EOT >& __select,
00138                                 eoReplacement< EOT >& __replace, 
00139                                 moAlgo < EOT >& __ls,
00140                                 eoPop< EOT >& __pop 
00141 
00142                 ) : cont( __cont ), select( __select ), replace( __replace ), ls( __ls ), pop( __pop )
00143 {
00144 
00145 }
00146 
00147 
00148 template< class EOT > void peoSyncMultiStart< EOT > :: packData() {
00149 
00150          :: pack( sel[ idx++ ] );
00151 }
00152 
00153 
00154 template< class EOT > void peoSyncMultiStart< EOT > :: unpackData() {
00155 
00156         unpack( sol );
00157 }
00158 
00159 
00160 template< class EOT > void peoSyncMultiStart< EOT > :: execute() {
00161 
00162         ls( sol );
00163 }
00164 
00165 
00166 template< class EOT > void peoSyncMultiStart< EOT > :: packResult() {
00167 
00168         pack( sol );
00169 }
00170 
00171 
00172 template< class EOT > void peoSyncMultiStart< EOT > :: unpackResult() {
00173 
00174         unpack( sol );
00175         impr_sel.push_back( sol );
00176         num_term++;
00177 
00178         if ( num_term == sel.size() ) {
00179 
00180                 getOwner()->setActive();
00181                 replace( pop, impr_sel );
00182 
00183                 printDebugMessage( "replacing the improved individuals in the population." );
00184                 resume();
00185         }
00186 }
00187 
00188 
00189 template< class EOT > void peoSyncMultiStart< EOT > :: operator()() {
00190 
00191         printDebugMessage( "performing the parallel multi-start hybridization." );
00192         select( pop, sel );
00193         impr_sel.clear();
00194         idx = num_term = 0;
00195         requestResourceRequest( sel.size() );
00196         stop();
00197 }
00198 
00199 
00200 template< class EOT > void peoSyncMultiStart< EOT > :: notifySendingData() {
00201 
00202 }
00203 
00204 
00205 template< class EOT > void peoSyncMultiStart< EOT > :: notifySendingAllResourceRequests() {
00206 
00207         getOwner()->setPassive();
00208 }
00209 
00210 
00211 #endif

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