org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/ctf/core/event/scope/EventHeaderVScope.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * 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  *      Matthew Khouzam - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.ctf.core.event.scope;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17
  18 /**
  19  * A lttng specific speedup node (v variant for event headers) of a lexical
  20  * scope they normally contain a timestamp
  21  *
  22  * @author Matthew Khouzam
  23  */
  24 @NonNullByDefault
  25 public final class EventHeaderVScope extends LexicalScope {
  26
  27     /**
  28      * The scope constructor
  29      *
  30      * @param parent
  31      *            The parent node, can be null, but shouldn't
  32      * @param name
  33      *            the name of the field
  34      */
  35     EventHeaderVScope(ILexicalScope parent, String name) {
  36         super(parent, name);
  37     }
  38
  39     @Override
  40     @Nullable
  41     public ILexicalScope getChild(String name) {
  42         if (name.equals(EVENT_HEADER_V_TIMESTAMP.getName())) {
  43             return EVENT_HEADER_V_TIMESTAMP;
  44         }
  45         if (name.equals(EVENT_HEADER_V_ID.getName())) {
  46             return EVENT_HEADER_V_ID;
  47         }
  48         return super.getChild(name);
  49     }
  50 }