001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 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.api.design; 021 022 import org.apache.commons.lang.builder.EqualsBuilder; 023 import org.apache.commons.lang.builder.HashCodeBuilder; 024 import org.apache.commons.lang.builder.ToStringBuilder; 025 import org.sonar.api.resources.Resource; 026 import org.sonar.graph.Edge; 027 028 public class Dependency implements Edge<Resource> { 029 030 private Resource from; 031 private Resource to; 032 private String usage; 033 private int weight; 034 private Dependency parent; 035 private Long id; 036 037 public Dependency(Resource from, Resource to) { 038 if (from == null) { 039 throw new IllegalArgumentException("Dependency source is null"); 040 } 041 if (to == null) { 042 throw new IllegalArgumentException("Dependency target is null"); 043 } 044 this.from = from; 045 this.to = to; 046 } 047 048 public Resource getFrom() { 049 return from; 050 } 051 052 public Resource getTo() { 053 return to; 054 } 055 056 public String getUsage() { 057 return usage; 058 } 059 060 public Dependency setUsage(String usage) { 061 this.usage = usage; 062 return this; 063 } 064 065 public int getWeight() { 066 return weight; 067 } 068 069 public Dependency setWeight(int weight) { 070 this.weight = weight; 071 return this; 072 } 073 074 public Dependency getParent() { 075 return parent; 076 } 077 078 public Dependency setParent(Dependency parent) { 079 this.parent = parent; 080 return this; 081 } 082 083 public Long getId() { 084 return id; 085 } 086 087 /** 088 * Internal use only. 089 */ 090 public Dependency setId(Long id) { 091 this.id = id; 092 return this; 093 } 094 095 @Override 096 public boolean equals(Object obj) { 097 if (!(obj instanceof Dependency)) { 098 return false; 099 } 100 if (this == obj) { 101 return true; 102 } 103 Dependency other = (Dependency) obj; 104 return new EqualsBuilder() 105 .append(from, other.from) 106 .append(to, other.to) 107 .isEquals(); 108 } 109 110 @Override 111 public int hashCode() { 112 return new HashCodeBuilder(17, 37) 113 .append(from) 114 .append(to) 115 .toHashCode(); 116 } 117 118 @Override 119 public String toString() { 120 return new ToStringBuilder(this) 121 .append("from", from) 122 .append("to", to) 123 .append("weight", weight) 124 .append("usage", usage) 125 .toString(); 126 } 127 }