moSimpleSolutionTabuList.h

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

// "moSimpleSolutionTabuList.h"

// (c) OPAC Team, LIFL, 2003-2007

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

#ifndef __moSimpleSolutionTabuList_h
#define __moSimpleSolutionTabuList_h

#include <list>
#include <iterator>

#include "moTabuList.h"

template <class M>
class moSimpleSolutionTabuList: public moTabuList < M >
{
  
public:

  typedef typename M::EOType EOT;
  

  moSimpleSolutionTabuList(unsigned __size): maxSize(__size)
  {
    currentSize=0;
  }
  

  bool operator () (const M & __move, const EOT & __sol) 
  {
    typename std::list<EOT>::iterator it;
  
    M _move=(M)__move;
    EOT _sol=(EOT) __sol;

    _move(_sol);
  
    it=tabuList.begin();
    while(it!=tabuList.end()&&(!((*it)==_sol)))
      {
        it++;
      }
    
    return it!=tabuList.end();
  }
  
  void
  add (const M & __move, const EOT & __sol)
  {
    M _move=(M)__move;
    EOT _sol=(EOT) _sol;
    
    _move(_sol);
    
    tabuList.push_back(_sol);
    
    if(currentSize==maxSize)
      {
        tabuList.erase(tabuList.begin());
      }
    else
      {
        currentSize++;
      }
  }

  void
  update ()
  {
    //nothing to do
  }

  void
  init ()
  {
    //nothing to do
  }

private:
  
  unsigned maxSize;

  unsigned currentSize;
  
  std::list<EOT> tabuList;
};

#endif

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