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 public class FeedbackEdge implements Comparable<FeedbackEdge> { 023 024 private Edge edge; 025 private double relativeWeight; 026 private int occurences; 027 private final int hashcode; 028 029 public FeedbackEdge(Edge edge, int occurences) { 030 this.edge = edge; 031 this.hashcode = edge.hashCode(); 032 this.occurences = occurences; 033 this.relativeWeight = (double) edge.getWeight() / occurences; 034 } 035 036 protected Edge getEdge() { 037 return edge; 038 } 039 040 protected int getWeight() { 041 return edge.getWeight(); 042 } 043 044 protected double getRelativeWeight() { 045 return relativeWeight; 046 } 047 048 protected int getOccurences() { 049 return occurences; 050 } 051 052 public int compareTo(FeedbackEdge feedbackEdge) { 053 if (this.getRelativeWeight() < feedbackEdge.getRelativeWeight()) { 054 return -1; 055 } 056 if (this.getRelativeWeight() == feedbackEdge.getRelativeWeight()) { 057 return this.getEdge().getFrom().toString().compareTo(feedbackEdge.getEdge().getFrom().toString()); 058 } 059 return 1; 060 } 061 062 @Override 063 public boolean equals(Object obj) { 064 if (!(obj instanceof FeedbackEdge) || this.hashCode() != obj.hashCode()) { 065 return false; 066 } 067 FeedbackEdge otherEdge = (FeedbackEdge) obj; 068 return edge.equals(otherEdge.edge); 069 } 070 071 @Override 072 public int hashCode() { 073 return hashcode; 074 } 075 }