001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.math.genetics; 018 019 /** 020 * A pair of {@link Chromosome} objects. 021 * @since 2.0 022 * 023 * @version $Revision: 811685 $ $Date: 2009-09-05 19:36:48 +0200 (sam. 05 sept. 2009) $ 024 */ 025 public class ChromosomePair { 026 /** the first chromosome in the pair. */ 027 private final Chromosome first; 028 029 /** the second chromosome in the pair. */ 030 private final Chromosome second; 031 032 /** 033 * Create a chromosome pair. 034 * 035 * @param c1 the first chromosome. 036 * @param c2 the second chromosome. 037 */ 038 public ChromosomePair(final Chromosome c1, final Chromosome c2) { 039 super(); 040 first = c1; 041 second = c2; 042 } 043 044 /** 045 * Access the first chromosome. 046 * 047 * @return the first chromosome. 048 */ 049 public Chromosome getFirst() { 050 return first; 051 } 052 053 /** 054 * Access the second chromosome. 055 * 056 * @return the second chromosome. 057 */ 058 public Chromosome getSecond() { 059 return second; 060 } 061 062 /** 063 * {@inheritDoc} 064 */ 065 @Override 066 public String toString() { 067 return String.format("(%s,%s)", getFirst(), getSecond()); 068 } 069 }