/*
* Copyright 2012 Friedrich Große, Paul Seiferth,
* Sebastian Starroske, Yannik Stein
*
* This file is part of MetaHeuristics4Java.
*
* MetaHeuristics4Java 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 3 of the License, or
* (at your option) any later version.
*
* MetaHeuristics4Java is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MetaHeuristics4Java. If not, see <http://www.gnu.org/licenses/>.
*/
package de.mh4j.solver.genetic.matingselection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Random;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import de.mh4j.solver.genetic.Couple;
import de.mh4j.solver.genetic.Genome;
import de.mh4j.solver.genetic.genepool.GenePool;
import de.mh4j.util.RNGGenerator;
/**
*
* TODO write class description
*
*/
public abstract class AbstractMatingSelector<GenericGenomeType extends Genome> implements
MatingSelector<GenericGenomeType> {
protected final Logger log = LoggerFactory.getLogger(getClass());
protected final Random random;
/**
* TODO write javadoc
*/
protected AbstractMatingSelector() {
random = RNGGenerator.createRandomNumberGenerator();
}
@Override
public Collection<Couple> select(int numberOfPairs, GenePool<GenericGenomeType> genePool) {
Collection<Couple> parents = new ArrayList<Couple>(numberOfPairs);
for (int i = 0; i < numberOfPairs; i++) {
parents.add(getCouple(genePool));
}
return parents;
}
private Couple getCouple(GenePool<GenericGenomeType> genePool) {
Genome parent1 = selectMate(genePool);
Genome parent2 = selectMate(genePool);
return new Couple(parent1, parent2);
}
/**
* TODO write javadoc
*/
abstract protected Genome selectMate(GenePool<GenericGenomeType> genePool);
}