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 */ 017package org.apache.commons.math3.genetics; 018 019/** 020 * A pair of {@link Chromosome} objects. 021 * @since 2.0 022 * 023 */ 024public class ChromosomePair { 025 /** the first chromosome in the pair. */ 026 private final Chromosome first; 027 028 /** the second chromosome in the pair. */ 029 private final Chromosome second; 030 031 /** 032 * Create a chromosome pair. 033 * 034 * @param c1 the first chromosome. 035 * @param c2 the second chromosome. 036 */ 037 public ChromosomePair(final Chromosome c1, final Chromosome c2) { 038 super(); 039 first = c1; 040 second = c2; 041 } 042 043 /** 044 * Access the first chromosome. 045 * 046 * @return the first chromosome. 047 */ 048 public Chromosome getFirst() { 049 return first; 050 } 051 052 /** 053 * Access the second chromosome. 054 * 055 * @return the second chromosome. 056 */ 057 public Chromosome getSecond() { 058 return second; 059 } 060 061 /** {@inheritDoc} */ 062 @Override 063 public String toString() { 064 return String.format("(%s,%s)", getFirst(), getSecond()); 065 } 066}