SingletonIndividualFactory.h

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/***************************************************************************
 *   Copyright (C) 2005-2009 by Robot Group Leipzig                        *
 *    martius@informatik.uni-leipzig.de                                    *
 *    fhesse@informatik.uni-leipzig.de                                     *
 *    der@informatik.uni-leipzig.de                                        *
 *    guettler@informatik.uni-leipzig.de                                   *
 *    jhoffmann@informatik.uni-leipzig.de                                  *
 *    joergweide84@aol.com (robot12)                                       *
 *                                                                         *
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 ***************************************************************************
 *                                                                         *
 *   This class is a factory for the class individual. It use the          *
 *   GenFactory to create a new individual, because the individual is a    *
 *   combination of Gens.                                                  *
 *                                                                         *
 *   $Log: SingletonIndividualFactory.h,v $
 *   Revision 1.5  2009/07/28 09:38:23  robot12
 *   update the Singleton::destroy
 *
 *   Revision 1.4  2009/07/21 08:37:58  robot12
 *   add some comments
 *
 *   Revision 1.3  2009/06/29 15:20:25  robot12
 *   finishing Individual Factory and add some comments
 *
 *   Revision 1.2  2009/05/11 14:08:52  robot12
 *   patch some bugfix....
 *
 *   Revision 1.1  2009/05/04 15:27:55  robot12
 *   rename of some files and moving files to other positions
 *    - SingletonGenAlgAPI has one error!!! --> is not ready now
 *
 *   Revision 1.5  2009/04/30 11:35:53  robot12
 *   some changes:
 *    - insert a SelectStrategie
 *    - insert a MutationStrategie
 *    - reorganisation of the design
 *
 *   Revision 1.4  2009/04/27 10:59:33  robot12
 *   some implements
 *
 *
 ***************************************************************************/

#ifndef SINGLETONINDIVIDUALFACTORY_H_
#define SINGLETONINDIVIDUALFACTORY_H_

//includes
#include <selforg/randomgenerator.h>

//forward declaration
class Gen;
class Generation;

//ga_tools includes
#include "Individual.h"

/**
 * this is a factory for the individual class. It use the SingletonGenFactory to create new individuals.
 * It have 2 methods to create a individual. (random and recombination)
 *
 * Over this is the class as singleton concepted. Only one Factory for a run.
 */
class SingletonIndividualFactory {
public:
        /**
         * this method gives the one and only existing factory back.
         * @return (SingletonIndividualFactory*) the factory
         */
        inline static SingletonIndividualFactory* getInstance(void) {
                if(m_factory==0)m_factory = new SingletonIndividualFactory;
                return m_factory;
        }

        /**
         * destroy the only existing factory
         */
        inline static void destroyFactory(void) {if(m_factory!=0){delete m_factory; m_factory=NULL;}}

        // 2 methods to create an individual
        /**
         * random creation by random creation of Gen for every GenPrototype.
         * @param name (string) the name of the new individual. Will be automaticly created
         * @return (Individual*) the new individual
         */
        Individual* createIndividual(std::string name=createName())const;                                                                                                                                               // random
        /**
         * create a new individual by recombination of the gens of there parents
         * @param individual1 (Individual*) parent 1
         * @param individual2 (Individual*) parent 2
         * @param random (RandGen*) a random generator
         * @param name (string) the name of the new individual. Will be automaticly created
         * @return (Individual*) the new individual
         */
        Individual* createIndividual(Individual* individual1, Individual* individual2, RandGen* random, std::string name=createName())const;    // recombinate

private:
        /**
         * the one and only factory
         */
        static SingletonIndividualFactory* m_factory;

        /**
         * a counter for individual IDs
         */
        static int m_number;

        /**
         * disable the default constructor
         * only usable for itself
         */
        SingletonIndividualFactory();

        /**
         * disable the default destructor
         * only usable for itself
         */
        virtual ~SingletonIndividualFactory();

        /**
         * methode to generate a name for the new individual automatically
         * @return (string) the name
         */
        inline static std::string createName(void) {std::string s = "Ind ";char buffer[128];sprintf(buffer,"%i",m_number);s+=buffer;return s;}
};

#endif /* SINGLETONINDIVIDUALFACTORY_H_ */

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