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  */
17 package org.apache.commons.math.genetics;
18 
19 /**
20  * Algorithm used to select a chromosome pair from a population.
21  *
22  * @since 2.0
23  * @version $Revision: 811685 $ $Date: 2009-09-05 19:36:48 +0200 (sam. 05 sept. 2009) $
24  */
25 public interface SelectionPolicy {
26     /**
27      * Select two chromosomes from the population.
28      * @param population the population from which the chromosomes are choosen.
29      * @return the selected chromosomes.
30      */
select(Population population)31     ChromosomePair select(Population population);
32 }
33