org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/interval/TmfIntervalEndComparator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 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.linuxtools.tmf.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  * @since 2.0
  23  */
  24 public class TmfIntervalEndComparator implements Comparator<ITmfStateInterval> {
  25
  26     @Override
  27     public int compare(ITmfStateInterval o1, ITmfStateInterval o2) {
  28         long e1 = o1.getEndTime();
  29         long e2 = o2.getEndTime();
  30
  31         if (e1 < e2) {
  32             return -1;
  33         } else if (e1 > e2) {
  34             return 1;
  35         } else {
  36             return 0;
  37         }
  38     }
  39
  40 }