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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.graph;
import org.apache.commons.lang.math.NumberUtils;
public class FeedbackEdge implements Comparable<FeedbackEdge> {
private Edge edge;
private double relativeWeight;
private int occurences;
private final int hashcode;
public FeedbackEdge(Edge edge, int occurences) {
this.edge = edge;
this.hashcode = edge.hashCode();
this.occurences = occurences;
this.relativeWeight = (double) edge.getWeight() / occurences;
}
protected Edge getEdge() {
return edge;
}
protected int getWeight() {
return edge.getWeight();
}
protected double getRelativeWeight() {
return relativeWeight;
}
protected int getOccurences() {
return occurences;
}
@Override
public int compareTo(FeedbackEdge feedbackEdge) {
if (this.getRelativeWeight() < feedbackEdge.getRelativeWeight()) {
return -1;
}
if (NumberUtils.compare(this.getRelativeWeight(), feedbackEdge.getRelativeWeight())==0) {
return this.getEdge().getFrom().toString().compareTo(feedbackEdge.getEdge().getFrom().toString());
}
return 1;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof FeedbackEdge) || this.hashCode() != obj.hashCode()) {
return false;
}
FeedbackEdge otherEdge = (FeedbackEdge) obj;
return edge.equals(otherEdge.edge);
}
@Override
public int hashCode() {
return hashcode;
}
}
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