org.eclipse.tracecompass.statesystem.core/src/org/eclipse/tracecompass/statesystem/core/interval/TmfIntervalEndComparator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013, 2014 Ericsson
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     Alexandre Montplaisir - Initial API and implementation
  10  *******************************************************************************/
  11
  12 package org.eclipse.tracecompass.statesystem.core.interval;
  13
  14 import java.util.Comparator;
  15
  16 /**
  17  * Comparator for ITmfStateInterval, using their *end times*. Making intervals
  18  * Comparable wouldn't be clear if it's using their start or end times (or maybe
  19  * even values), so separate comparators are provided.
  20  *
  21  * @author Alexandre Montplaisir
  22  */
  23 public class TmfIntervalEndComparator implements Comparator<ITmfStateInterval> {
  24
  25     @Override
  26     public int compare(ITmfStateInterval o1, ITmfStateInterval o2) {
  27         long e1 = o1.getEndTime();
  28         long e2 = o2.getEndTime();
  29
  30         if (e1 < e2) {
  31             return -1;
  32         } else if (e1 > e2) {
  33             return 1;
  34         } else {
  35             return 0;
  36         }
  37     }
  38
  39 }