org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/TracePropertyTester.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 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.tmf.ui;
  14
  15 import org.eclipse.core.expressions.PropertyTester;
  16 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  17 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  18
  19 /**
  20  * <b><u>TracePropertyTester</u></b>
  21  * <p>
  22  */
  23 public class TracePropertyTester extends PropertyTester {
  24
  25     // ------------------------------------------------------------------------
  26     // Constants
  27     // ------------------------------------------------------------------------
  28
  29     private static String isExperimentTrace = "isExperimentTrace"; //$NON-NLS-1$
  30
  31     // ------------------------------------------------------------------------
  32     // Constructor
  33     // ------------------------------------------------------------------------
  34
  35     /**
  36      * Default constructor
  37      */
  38     public TracePropertyTester() {
  39     }
  40
  41     // ------------------------------------------------------------------------
  42     // IPropertyTester
  43     // ------------------------------------------------------------------------
  44
  45     /* (non-Javadoc)
  46      * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
  47      */
  48     @Override
  49     public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
  50
  51         // Check if the parent of a trace element is an experiment
  52         if (receiver != null && receiver instanceof TmfTraceElement) {
  53             TmfTraceElement trace = (TmfTraceElement) receiver;
  54             if (isExperimentTrace.equals(property)) {
  55                 return trace.getParent() instanceof TmfExperimentElement;
  56             }
  57         }
  58
  59         return false;
  60     }
  61
  62 }