1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17package org.apache.commons.math.genetics;
18
19/**
20 * Policy used to create a pair of new chromosomes by performing a crossover
21 * operation on a source pair of chromosomes.
22 *
23 * @since 2.0
24 * @version $Revision: 811685 $ $Date: 2009-09-05 19:36:48 +0200 (sam. 05 sept. 2009) $
25 */
26public interface CrossoverPolicy {
27    /**
28     * Perform a crossover operation on the given chromosomes.
29     *
30     * @param first the first chromosome.
31     * @param second the second chromosome.
32     * @return the pair of new chromosomes that resulted from the crossover.
33     */
34    ChromosomePair crossover(Chromosome first, Chromosome second);
35}
36