/*
Copyright 2009 Jon Tait
This file is part of TrimGA.
TrimGA is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TrimGA 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TrimGA. If not, see <http://www.gnu.org/licenses/>.
*/
package com.trimga.matingstrategies;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.trimga.Chromosome;
import com.trimga.IllegalChromosomeException;
import com.trimga.Phenotype;
public class UniqueCombinant implements MatingStrategy {
public Phenotype makeChildFromParents(Phenotype parent1, Phenotype parent2)
throws IllegalChromosomeException
{
List<Chromosome> childChromosomeList = ChromosomeUtilities.makeCrossoverChild(
parent1.getChromosomes(), parent2.getChromosomes());
ChromosomeUtilities.randomlyPluckOutChromosomes(childChromosomeList);
ChromosomeUtilities.randomlyMutateChromosomes(childChromosomeList);
ChromosomeUtilities.randomlyAddGeneratedChromosomes(childChromosomeList);
//convert to set and back to remove duplicates
Set<Chromosome>childChromosomeSet = new HashSet<Chromosome>(childChromosomeList);
List<Chromosome> childChromosomes = new ArrayList<Chromosome>(childChromosomeSet);
Phenotype childPhenotype = parent1.createPhenotype(childChromosomes);
return childPhenotype;
}
}