001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.graph; 021 022 import org.apache.commons.lang.builder.ToStringBuilder; 023 024 public class StringEdge implements Edge<String> { 025 026 private final String from; 027 private final String to; 028 private int weight; 029 030 public StringEdge(String from, String to) { 031 this.from = from; 032 this.to = to; 033 this.weight = 1; 034 } 035 036 public StringEdge(String from, String to, int weight) { 037 this(from, to); 038 this.weight = weight; 039 } 040 041 public String getFrom() { 042 return from; 043 } 044 045 public String getTo() { 046 return to; 047 } 048 049 public int getWeight() { 050 return weight; 051 } 052 053 @Override 054 public boolean equals(Object obj) { 055 if (!(obj instanceof StringEdge)) { 056 return false; 057 } 058 StringEdge edge = (StringEdge) obj; 059 return from.equals(edge.from) && to.equals(edge.to); 060 } 061 062 @Override 063 public int hashCode() { 064 return 3*from.hashCode() + to.hashCode(); //NOSONAR Magic number 3 is suitable here 065 } 066 067 @Override 068 public String toString() { 069 return new ToStringBuilder(this).append("from", from).append("to", to).toString(); 070 } 071 }