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+/*%0A * Java Genetic Algorithm Library (@__identifier__@).%0A * Copyright (c) @__year__@ Franz Wilhelmst%C3%B6tter%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A *%0A * Author:%0A *    Franz Wilhelmst%C3%B6tter (franz.wilhelmstoetter@gmx.at)%0A */%0Apackage org.jenetics.tool;%0A%0Aimport static java.lang.Math.max;%0A%0Aimport org.jenetics.Gene;%0Aimport org.jenetics.Optimize;%0Aimport org.jenetics.Population;%0Aimport org.jenetics.Selector;%0Aimport org.jenetics.TournamentSelector;%0Aimport org.jenetics.TruncationSelector;%0A%0A/**%0A * @author %3Ca href=%22mailto:franz.wilhelmstoetter@gmx.at%22%3EFranz Wilhelmst%C3%B6tter%3C/a%3E%0A * @version !__version__! &mdash; %3Cem%3E$Date$%3C/em%3E%0A * @since !__version__!%0A */%0Apublic class CombinedSelector%3C%0A%09G extends Gene%3C?, G%3E,%0A%09C extends Comparable%3C? super C%3E%0A%3E%0A%09implements Selector%3CG, C%3E%0A%7B%0A%09private final TruncationSelector%3CG, C%3E _s1 = new TruncationSelector%3C%3E();%0A%09private final TournamentSelector%3CG, C%3E _s2 = new TournamentSelector%3C%3E(3);%0A%0A%09@Override%0A%09public Population%3CG, C%3E select(%0A%09%09final Population%3CG, C%3E population,%0A%09%09final int count,%0A%09%09final Optimize opt%0A%09) %7B%0A%09%09return population.isEmpty() %7C%7C count %3C= 0%0A%09%09%09? new Population%3C%3E(0)%0A%09%09%09: append(%0A%09%09%09%09_s1.select(population, 1, opt),%0A%09%09%09%09_s2.select(population, max(0, count - 1), opt));%0A%09%7D%0A%0A%09private Population%3CG, C%3E append(%0A%09%09final Population%3CG, C%3E p1,%0A%09%09final Population%3CG, C%3E p2%0A%09) %7B%0A%09%09p1.addAll(p2);%0A%09%09return p2;%0A%09%7D%0A%7D%0A

Add test class.