org.eclipse.linuxtools.lttng2.control.ui/src/org/eclipse/linuxtools/internal/lttng2/control/ui/views/model/impl/TraceControlPropertyTester.java

   1 /**********************************************************************
   2  * Copyright (c) 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  *   Bernd Hufmann - Initial API and implementation
  11  **********************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.lttng2.control.ui.views.model.impl;
  14
  15 import org.eclipse.core.expressions.PropertyTester;
  16
  17 /**
  18  *
  19  * Property Tester Implementation for Trace Control Components.
  20  *
  21  * @author Bernd Hufmann
  22  */
  23 public class TraceControlPropertyTester extends PropertyTester {
  24
  25     // ------------------------------------------------------------------------
  26     // Constants
  27     // ------------------------------------------------------------------------
  28     private static final String ADD_CONTEXT_SUPPORT_PROPERTY = "isAddContextOnEventSupported"; //$NON-NLS-1$
  29
  30
  31     @Override
  32     public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
  33
  34         // Check if node supports adding contexts on event level.
  35         if (ADD_CONTEXT_SUPPORT_PROPERTY.equals(property)) {
  36             if ((receiver != null) && (receiver instanceof TraceEventComponent)) {
  37                 TraceEventComponent event = (TraceEventComponent) receiver;
  38                 TargetNodeComponent node = event.getTargetNode();
  39                 return node.isContextOnEventSupported();
  40             }
  41         }
  42         return false;
  43     }
  44 }