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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2008-2012 SonarSource
* mailto:contact AT sonarsource DOT com
*
* Sonar 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.
*
* Sonar 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 Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.duplications.index;
public class ClonePart {
private final String resourceId;
private final int unitStart;
private final int lineStart;
private final int lineEnd;
/**
* Cache for hash code.
*/
private int hash;
public ClonePart(String resourceId, int unitStart, int lineStart, int lineEnd) {
this.resourceId = resourceId;
this.unitStart = unitStart;
this.lineStart = lineStart;
this.lineEnd = lineEnd;
}
public String getResourceId() {
return resourceId;
}
public int getUnitStart() {
return unitStart;
}
public int getLineStart() {
return lineStart;
}
public int getLineEnd() {
return lineEnd;
}
public int getLines() {
return lineEnd - lineStart + 1;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ClonePart) {
ClonePart another = (ClonePart) obj;
return another.resourceId.equals(resourceId)
&& another.lineStart == lineStart
&& another.lineEnd == lineEnd
&& another.unitStart == unitStart;
}
return false;
}
@Override
public int hashCode() {
int h = hash;
if (h == 0) {
h = resourceId.hashCode();
h = 31 * h + lineStart;
h = 31 * h + lineEnd;
h = 31 * h + unitStart;
hash = h;
}
return h;
}
@Override
public String toString() {
return "'" + resourceId + "':[" + unitStart + "|" + lineStart + "-" + lineEnd + "]";
}
}
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