moHCMoveLoopExpl.h

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

// "moHCMoveLoopExpl.h"

// (c) OPAC Team, LIFL, 2003-2006

/* LICENCE TEXT
   
   Contact: paradiseo-help@lists.gforge.inria.fr
*/

#ifndef __moHCMoveLoopExpl_h
#define __moHCMoveLoopExpl_h

#include "moMoveLoopExpl.h"

#include "moMoveInit.h"
#include "moNextMove.h"
#include "moMoveIncrEval.h"
#include "moMoveSelect.h"

template < class M > class moHCMoveLoopExpl:public moMoveLoopExpl < M >
{

  typedef typename M::EOType EOT;

  typedef typename M::EOType::Fitness Fitness;

public:


moHCMoveLoopExpl (moMoveInit < M > &__move_init, moNextMove < M > &__next_move, moMoveIncrEval < M > &__incr_eval, moMoveSelect < M > &__move_select):

  move_init (__move_init),
    next_move (__next_move),
    incr_eval (__incr_eval), move_select (__move_select)
  {

  }


  void operator   () (const EOT & __old_sol, EOT & __new_sol)
  {

    M move;

    //
    move_init (move, __old_sol);        /* Restarting the exploration of 
                                           of the neighborhood ! */

    move_select.init (__old_sol.fitness ());

    while (move_select.update (move, incr_eval (move, __old_sol))
           && next_move (move, __old_sol));

    try
    {

      M best_move;

      Fitness best_move_fit;

      move_select (best_move, best_move_fit);
      __new_sol.fitness (best_move_fit);
      best_move (__new_sol);

    }
    catch (EmptySelection & __ex)
    {

      // ?
    }
  }

private:

  moMoveInit < M > &move_init;

  moNextMove < M > &next_move;

  moMoveIncrEval < M > &incr_eval;

  moMoveSelect < M > &move_select;

};

#endif

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