/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero General Public License as published by the Free Software Foundation, either version 3 * of the License, or (at your option) any later version. * * This program 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.operator.features.selection; import com.rapidminer.operator.features.Individual; import com.rapidminer.operator.features.Population; import com.rapidminer.operator.features.PopulationOperator; /** * Selects the best individual and build a new population. * * @author Ingo Mierswa, Simon Fischer */ public class BestSelection implements PopulationOperator { /** The default implementation returns true for every generation. */ @Override public boolean performOperation(int generation) { return true; } @Override public void operate(Population population) { Individual best = population.getBestIndividualEver(); population.clear(); population.add(best); } }