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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@26 331e1502-861f-0410-8da2-ba01fb791d7f

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legrand 2006-12-11 15:23:57 +00:00
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trunk/paradiseo-mo/src/moMoveSelect.h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "moMoveSelect.h"
// (c) OPAC Team, LIFL, 2003-2006
/* TEXT LICENCE
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#ifndef __moMoveSelect_h
#define __moMoveSelect_h
#include <eoFunctor.h>
//! Special class that describes the case of no selection.
/*!
This class is used as an exception that can be thrown if a solution selector has completly failed.
*/
class EmptySelection
{
};
//! Class that describes a move selector (moMove).
/*!
It iteratively considers some moves (moMove) and their
associated fitnesses. The best move is so regularly updated.
At any time, it could be accessed.
*/
template < class M > class moMoveSelect:public eoBF < M &, typename M::EOType::Fitness &,
void >
{
public:
//! Alias for the fitness
typedef
typename
M::EOType::Fitness
Fitness;
//! Procedure which initialises all that the move selector needs including the initial fitness.
/*!
In order to know the fitness of the solution,
for which the neighborhood will
be soon explored
\param __fit the current fitness.
*/
virtual void
init (const Fitness & __fit) = 0;
//! Function which updates the best solutions.
/*!
\param __move a new move.
\param __fit a fitness linked to the new move.
\return a boolean that expresses the need to resume the exploration.
*/
virtual
bool
update (const M & __move, const Fitness & __fit) = 0;
};
#endif