001/*
002 *                    BioJava development code
003 *
004 * This code may be freely distributed and modified under the
005 * terms of the GNU Lesser General Public Licence.  This should
006 * be distributed with the code.  If you do not have a copy,
007 * see:
008 *
009 *      http://www.gnu.org/copyleft/lesser.html
010 *
011 * Copyright for this code is held jointly by the individual
012 * authors.  These should be listed in @author doc comments.
013 *
014 * For more information on the BioJava project and its aims,
015 * or to join the biojava-l mailing list, visit the home page
016 * at:
017 *
018 *      http://www.biojava.org/
019 *
020 */
021package org.biojava.nbio.structure.contact;
022
023import java.io.Serializable;
024
025/**
026 * A simple class to store contacts in the form of pairs of indices and a distance associated to them.
027 * @author Jose Duarte
028 * @since 5.0
029 */
030public class Contact implements Serializable {
031
032        private static final long serialVersionUID = 5059569852079048728L;
033
034        private int i;
035        private int j;
036        private double distance;
037        
038        public Contact(int i, int j, double distance) {
039                this.i = i;
040                this.j = j;
041                this.distance = distance;
042        }
043        
044        public Pair<Integer> getIndexPair() {
045                return new Pair<Integer>(i,j);
046        }
047        
048        public int getI() {
049                return i;
050        }
051        
052        public int getJ() {
053                return j;
054        }
055        
056        public double getDistance() {
057                return distance;
058        }
059}