Robot Simulator of the Robotics Group for Self-Organization of Control: ValueMutationStrategy.h Source File

# ValueMutationStrategy.h

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    00001 /***************************************************************************
    00002  *   Copyright (C) 2008-2011 LpzRobots development team                    *
    00003  *    Joerg Weider   <joergweide84 at aol dot com> (robot12)               *
    00004  *    Georg Martius  <georg dot martius at web dot de>                     *
    00005  *    Frank Guettler <guettler at informatik dot uni-leipzig dot de        *
    00006  *    Frank Hesse    <frank at nld dot ds dot mpg dot de>                  *
    00007  *    Ralf Der       <ralfder at mis dot mpg dot de>                       *
    00008  *    Joern Hoffmann <jhoffmann at informatik dot uni-leipzig dot de       *
    00009  *                                                                         *
    00010  *   This program is free software; you can redistribute it and/or modify  *
    00011  *   it under the terms of the GNU General Public License as published by  *
    00012  *   the Free Software Foundation; either version 2 of the License, or     *
    00013  *   (at your option) any later version.                                   *
    00014  *                                                                         *
    00015  *   This program is distributed in the hope that it will be useful,       *
    00016  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
    00017  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
    00018  *   GNU General Public License for more details.                          *
    00019  *                                                                         *
    00020  *   You should have received a copy of the GNU General Public License     *
    00021  *   along with this program; if not, write to the                         *
    00022  *   Free Software Foundation, Inc.,                                       *
    00023  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
    00024  *                                                                         *
    00025  ***************************************************************************/
    00026
    00027 #ifndef VALUEMUTATIONSTRATEGY_H_
    00028 #define VALUEMUTATIONSTRATEGY_H_
    00029
    00030 //forward declarations
    00031 class Gen;
    00032 class Individual;
    00033 class GenContext;
    00034 class SingletonGenFactory;
    00035 class IMutationFactorStrategy;
    00036
    00037 //ga_tools includes
    00038 #include "IMutationStrategy.h"
    00039
    00040 /**
    00041  * this mutation strategy clculate a mutation factor by using a
    00042  * mutation factor strategy an add this factor to the old gen.
    00043  */
    00044 class ValueMutationStrategy : public IMutationStrategy {
    00045 public:
    00046         /**
    00047          * constructor
    00048          * @param strategy (IMutationFactorStrategy*) this strategie is used to calculate the mutation factor.
    00049          * @param mutationProbability (int) the mutation probability which is give back.
    00050          */
    00051         ValueMutationStrategy(IMutationFactorStrategy* strategy, int mutationProbability);
    00052
    00053         /**
    00054          * default destructor
    00055          */
    00056         virtual ~ValueMutationStrategy();
    00057
    00058         /**
    00059          * mutate a gen
    00060          * @param context (GenContext*) the context in which the new gen comes (needed by the factory
    00061          * @param individual (Individual*) the individual, which the new gen becomes
    00062          * @param oldGen (Gen*) the old gen, which mutate
    00063          * @param oldContext (GenContext*) the Context in which the old gen are.
    00064          * @param factory (SingletonGenFactory*) the GenFactory which create the new gen.
    00065          * @return (Gen*) the new mutated gen
    00066          */
    00067         virtual Gen* mutate(GenContext* context, Individual* individual, Gen* oldGen, GenContext* oldContext, SingletonGenFactory* factory);
    00068
    00069         /**
    00070          * gives the Probability of a mutation back.
    00071          * @return
    00072          */
    00073         virtual int getMutationProbability(void);
    00074
    00075 protected:
    00076         /**
    00077          * the mutation factor strategy
    00078          */
    00079         IMutationFactorStrategy* m_strategy;
    00080
    00081         /**
    00082          * the mutation probability
    00083          */
    00084         int m_mutationProbability;
    00085
    00086 private:
    00087         /**
    00088          * disable the default constructor
    00089          */
    00090         ValueMutationStrategy();
    00091 };
    00092
    00093 #endif /* VALUEMUTATIONSTRATEGY_H_ */