analysis/org.eclipse.tracecompass.analysis.os.linux.ui/src/org/eclipse/tracecompass/internal/analysis/os/linux/ui/actions/FollowThreadAction.java

   1 /*******************************************************************************
   2  * Copyright (c) 2016 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
  10 package org.eclipse.tracecompass.internal.analysis.os.linux.ui.actions;
  11
  12 import org.eclipse.jdt.annotation.NonNullByDefault;
  13 import org.eclipse.jdt.annotation.Nullable;
  14 import org.eclipse.jface.action.Action;
  15 import org.eclipse.tracecompass.analysis.os.linux.core.signals.TmfThreadSelectedSignal;
  16 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  17 import org.eclipse.tracecompass.tmf.ui.views.TmfView;
  18
  19 /**
  20  * Follow Thread Action, this action broadcasts a
  21  * {@link TmfThreadSelectedSignal} when run, it sends a thread id and a trace to
  22  * the signal.
  23  *
  24  * @author Matthew Khouzam
  25  */
  26 @NonNullByDefault
  27 public class FollowThreadAction extends Action {
  28
  29     private final int fThreadId;
  30     private final TmfView fView;
  31     private final ITmfTrace fTrace;
  32     private final @Nullable String fThreadName;
  33
  34     /**
  35      * Constructor
  36      *
  37      * @param source
  38      *            the view that is generating the signal, but also shall
  39      *            broadcast it
  40      * @param threadName
  41      *            the thread name, can be null
  42      * @param threadId
  43      *            the thread id
  44      * @param trace
  45      *            the trace containing the thread
  46      */
  47     public FollowThreadAction(TmfView source, @Nullable String threadName, int threadId, ITmfTrace trace) {
  48         fView = source;
  49         fThreadName = threadName;
  50         fThreadId = threadId;
  51         fTrace = trace;
  52     }
  53
  54     @Override
  55     public String getText() {
  56         if (fThreadName == null) {
  57             return Messages.FollowThreadAction_follow + ' ' + fThreadId;
  58         }
  59         return Messages.FollowThreadAction_follow + ' ' + fThreadName + '/' + fThreadId;
  60     }
  61
  62     @Override
  63     public void run() {
  64         fView.broadcast(new TmfThreadSelectedSignal(fView, fThreadId, fTrace));
  65         super.run();
  66     }
  67
  68 }