IFitnessStrategy.h

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/***************************************************************************
 *   Copyright (C) 2008-2011 LpzRobots development team                    *
 *    Joerg Weider   <joergweide84 at aol dot com> (robot12)               *
 *    Georg Martius  <georg dot martius at web dot de>                     *
 *    Frank Guettler <guettler at informatik dot uni-leipzig dot de        *
 *    Frank Hesse    <frank at nld dot ds dot mpg dot de>                  *
 *    Ralf Der       <ralfder at mis dot mpg dot de>                       *
 *    Joern Hoffmann <jhoffmann at informatik dot uni-leipzig dot de       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
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 *   You should have received a copy of the GNU General Public License     *
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 *   Free Software Foundation, Inc.,                                       *
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 ***************************************************************************/

#ifndef IFITNESSSTRATEGY_H_
#define IFITNESSSTRATEGY_H_

// forward declaration
class Individual;

/**
 * The interface for the fitness strategy of an individual.
 */
class IFitnessStrategy {
public:
        /**
         * default constructor
         * do nothing
         */
        IFitnessStrategy();

        /**
         * default destructor
         * do nothing
         */
        virtual ~IFitnessStrategy();

        /**
         * declaration of the function getFitness. This function will give the fitness value
         * of an individual back. For which individual is him called by 'individual'.
         *
         * @param individual (const Individual*) calculate the fitness for this individual
         * @return (double) The fitness value
         */
        virtual double getFitness(const Individual* individual) = 0;
};

#endif /* IFITNESSSTRATEGY_H_ */