org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/internal/lttng/ui/views/distribution/model/HorDistributionData.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Bernd Hufmann - Initial API and implementation
  11  ******************************************************************************/
  12 package org.eclipse.linuxtools.internal.lttng.ui.views.distribution.model;
  13
  14 /**
  15  * <b><u>HorDistributionData</u></b>
  16  * <p>
  17  * Implementation of DistributionData for horizontal direction.
  18  */
  19 public class HorDistributionData extends DistributionData {
  20
  21     // ------------------------------------------------------------------------
  22     // Constructor
  23     // ------------------------------------------------------------------------
  24
  25     public HorDistributionData(int nbBuckets, int[][] buckets) {
  26         super(nbBuckets, buckets);
  27     }
  28
  29     // ------------------------------------------------------------------------
  30     // Abstract function implementation
  31     // ------------------------------------------------------------------------
  32     /*
  33      * (non-Javadoc)
  34      * @see org.eclipse.linuxtools.lttng.ui.views.distribution.model.DistributionData#moveBuckets(int)
  35      */
  36     @Override
  37     protected void moveBuckets(int offset) {
  38         for (int j = 0; j < fNbBuckets; j++) {
  39
  40             for(int i = fNbBuckets - 1; i >= offset; i--) {
  41                 fBuckets[i][j] = fBuckets[i-offset][j];
  42             }
  43
  44             for (int i = 0; i < offset; i++) {
  45                 fBuckets[i][j] = 0;
  46             }
  47         }
  48     }
  49
  50     /*
  51      * (non-Javadoc)
  52      * @see org.eclipse.linuxtools.lttng.ui.views.distribution.model.DistributionData#mergeBuckets()
  53      */
  54     @Override
  55     protected void mergeBuckets() {
  56
  57         for (int y = 0; y < fNbBuckets; y++) {
  58             for (int i = 0; i < fNbBuckets / 2; i++) {
  59                 fBuckets[i][y] = fBuckets[2 * i][y] + fBuckets[2 * i + 1][y];
  60             }
  61
  62             for (int i = fNbBuckets / 2; i < fNbBuckets; i++) {
  63                 fBuckets[i][y] = 0;
  64             }
  65         }
  66         fBucketDuration = fBucketDuration * 2;
  67         updateEndTime();
  68         fLastBucket = fNbBuckets / 2 - 1;
  69     }
  70 }