peoSyncMultiStart.h

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

// "peoSyncMultiStart.h"

// (c) OPAC Team, LIFL, August 2005

/* This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   
   Contact: paradiseo-help@lists.gforge.inria.fr
*/

#ifndef __peoSyncMultiStart_h
#define __peoSyncMultiStart_h

#include <utils/eoUpdater.h>
#include <moAlgo.h>

#include <eoSelect.h>
#include <eoReplacement.h>
#include <eoContinue.h>

#include "core/service.h"
#include "core/messaging.h"
#include "core/peo_debug.h"


extern int getNodeRank();



template< class EOT > class peoSyncMultiStart : public Service, public eoUpdater {

public:

        peoSyncMultiStart( 

                                eoContinue< EOT >& __cont,
                                eoSelect< EOT >& __select,
                                eoReplacement< EOT >& __replace,
                                moAlgo< EOT >& __ls, 
                                eoPop< EOT >& __pop 
                );

        void operator()();

        void packData();

        void unpackData();

        void execute();

        void packResult();

        void unpackResult();

        void notifySendingData();

        void notifySendingAllResourceRequests();

private:

        eoContinue< EOT >& cont;
        eoSelect< EOT >& select;
        eoReplacement< EOT >& replace;

        moAlgo< EOT >& ls;

        eoPop< EOT >& pop;
        eoPop< EOT > sel;
        eoPop< EOT > impr_sel;

        EOT sol;
        unsigned idx;
        unsigned num_term;
};


template< class EOT > peoSyncMultiStart< EOT > :: peoSyncMultiStart( 

                                eoContinue < EOT >& __cont, 
                                eoSelect< EOT >& __select,
                                eoReplacement< EOT >& __replace, 
                                moAlgo < EOT >& __ls,
                                eoPop< EOT >& __pop 

                ) : cont( __cont ), select( __select ), replace( __replace ), ls( __ls ), pop( __pop )
{

}


template< class EOT > void peoSyncMultiStart< EOT > :: packData() {

         :: pack( sel[ idx++ ] );
}


template< class EOT > void peoSyncMultiStart< EOT > :: unpackData() {

        unpack( sol );
}


template< class EOT > void peoSyncMultiStart< EOT > :: execute() {

        ls( sol );
}


template< class EOT > void peoSyncMultiStart< EOT > :: packResult() {

        pack( sol );
}


template< class EOT > void peoSyncMultiStart< EOT > :: unpackResult() {

        unpack( sol );
        impr_sel.push_back( sol );
        num_term++;

        if ( num_term == sel.size() ) {

                getOwner()->setActive();
                replace( pop, impr_sel );

                printDebugMessage( "replacing the improved individuals in the population." );
                resume();
        }
}


template< class EOT > void peoSyncMultiStart< EOT > :: operator()() {

        printDebugMessage( "performing the parallel multi-start hybridization." );
        select( pop, sel );
        impr_sel.clear();
        idx = num_term = 0;
        requestResourceRequest( sel.size() );
        stop();
}


template< class EOT > void peoSyncMultiStart< EOT > :: notifySendingData() {

}


template< class EOT > void peoSyncMultiStart< EOT > :: notifySendingAllResourceRequests() {

        getOwner()->setPassive();
}


#endif

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