org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/tmf/core/trace/indexer/TmfMemoryIndex.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013, 2014 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  *     Marc-Andre Laperle - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tmf.core.trace.indexer;
  14
  15 import java.util.ArrayList;
  16 import java.util.Collections;
  17 import java.util.List;
  18
  19 import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange;
  20 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  21 import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.ITmfCheckpoint;
  22 import org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint.ITmfCheckpointIndex;
  23
  24 /**
  25  * A checkpoint index that store all checkpoints in memory.
  26  *
  27  * @author Marc-Andre Laperle
  28  */
  29 public class TmfMemoryIndex implements ITmfCheckpointIndex, ICheckpointCollection {
  30
  31     private final List<ITmfCheckpoint> fCheckpoints;
  32
  33     /**
  34      * Creates an index for the given trace
  35      *
  36      * @param trace the trace
  37      */
  38     public TmfMemoryIndex(ITmfTrace trace) {
  39         fCheckpoints = new ArrayList<>();
  40     }
  41
  42     @Override
  43     public void dispose() {
  44         fCheckpoints.clear();
  45     }
  46
  47     @Override
  48     public void insert(ITmfCheckpoint checkpoint) {
  49         fCheckpoints.add(checkpoint);
  50     }
  51
  52     @Override
  53     public ITmfCheckpoint get(long checkpoint) {
  54         return fCheckpoints.get((int)checkpoint);
  55     }
  56
  57     @Override
  58     public long binarySearch(ITmfCheckpoint checkpoint) {
  59         return Collections.binarySearch(fCheckpoints, checkpoint);
  60     }
  61
  62     @Override
  63     public boolean isEmpty() {
  64         return fCheckpoints.isEmpty();
  65     }
  66
  67     @Override
  68     public int size() {
  69         return fCheckpoints.size();
  70     }
  71
  72     @Override
  73     public boolean isCreatedFromScratch() {
  74         return true;
  75     }
  76
  77     @Override
  78     public void setTimeRange(TmfTimeRange timeRange) {
  79     }
  80
  81     @Override
  82     public void setNbEvents(long nbEvents) {
  83     }
  84
  85     @Override
  86     public TmfTimeRange getTimeRange() {
  87         return null;
  88     }
  89
  90     @Override
  91     public long getNbEvents() {
  92         return 0;
  93     }
  94
  95     @Override
  96     public void setIndexComplete() {
  97     }
  98
  99     @Override
 100     public void delete() {
 101     }
 102 }