tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/internal/provisional/tmf/core/views/timegraph2/TimeGraphTreeModel.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 EfficiOS Inc., Alexandre Montplaisir
   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
  10 package org.eclipse.tracecompass.internal.provisional.tmf.core.views.timegraph2;
  11
  12 import java.util.ArrayList;
  13 import java.util.Collections;
  14 import java.util.List;
  15
  16 import com.google.common.collect.ImmutableList;
  17
  18 public class TimeGraphTreeModel {
  19
  20     private final List<TimeGraphTreeElement> fTreeElements = Collections.synchronizedList(new ArrayList<>());
  21
  22     public TimeGraphTreeModel() {
  23     }
  24
  25     public int getNbElements() {
  26         return fTreeElements.size();
  27     }
  28
  29     public void addElement(TimeGraphTreeElement element) {
  30         fTreeElements.add(element);
  31     }
  32
  33     public TimeGraphTreeRender getSnapshot() {
  34         /* Safe to use concurrently */
  35         List<TimeGraphTreeElement> list = ImmutableList.copyOf(fTreeElements);
  36         return new TimeGraphTreeRender(list);
  37     }
  38 }