org.eclipse.tracecompass.tmf.core/src/org/eclipse/linuxtools/internal/tmf/core/trace/TmfExperimentCheckpoint.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2013 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.tmf.core.trace;
  14
  15 import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp;
  16 import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
  17
  18 /**
  19  * <b><u>TmfExperimentCheckpoint</u></b>
  20  * <p>
  21  * TODO: Implement me. Please.
  22  */
  23 public class TmfExperimentCheckpoint implements Comparable<TmfExperimentCheckpoint> {
  24
  25     // ------------------------------------------------------------------------
  26     // Attributes
  27     // ------------------------------------------------------------------------
  28
  29     private final TmfTimestamp fTimestamp;
  30     private final long[] fRanks;
  31
  32     // ------------------------------------------------------------------------
  33     // Constructors
  34     // ------------------------------------------------------------------------
  35
  36     /**
  37      * @param ts the checkpoint timestamp
  38      * @param contexts the corresponding set of trace contexts
  39      */
  40     public TmfExperimentCheckpoint(final TmfTimestamp ts, final TmfContext[] contexts) {
  41         fTimestamp = ts;
  42         fRanks = new long[contexts.length];
  43         for (int i = 0; i < fRanks.length; i++) {
  44             fRanks[i] = contexts[i].getRank();
  45         }
  46     }
  47
  48     // ------------------------------------------------------------------------
  49     // Accessors
  50     // ------------------------------------------------------------------------
  51
  52     /**
  53      * @return the checkpoint event timestamp
  54      */
  55     public TmfTimestamp getTimestamp() {
  56         return fTimestamp;
  57     }
  58
  59     /**
  60      * @return the checkpoint event rank
  61      */
  62     public long[] getRanks() {
  63         return fRanks;
  64     }
  65
  66     // ------------------------------------------------------------------------
  67     // Object
  68     // ------------------------------------------------------------------------
  69
  70     @Override
  71     public int hashCode() {
  72         int result = 37;
  73         result = 17 * result + fTimestamp.hashCode();
  74         return result;
  75     }
  76
  77     @Override
  78     public boolean equals(final Object other) {
  79         if (!(other instanceof TmfExperimentCheckpoint)) {
  80             return false;
  81         }
  82         final TmfExperimentCheckpoint o = (TmfExperimentCheckpoint) other;
  83         return fTimestamp.equals(o.fTimestamp);
  84     }
  85
  86     // ------------------------------------------------------------------------
  87     // Comparable
  88     // ------------------------------------------------------------------------
  89
  90     @Override
  91     public int compareTo(final TmfExperimentCheckpoint other) {
  92         return fTimestamp.compareTo(other.fTimestamp, false);
  93     }
  94
  95 }