tmf/org.eclipse.tracecompass.tmf.core.tests/stubs/org/eclipse/tracecompass/tmf/tests/stubs/trace/TmfEmptyTraceStub.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2015 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.tracecompass.tmf.tests.stubs.trace;
  14
  15 import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
  16 import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
  17 import org.eclipse.tracecompass.tmf.core.trace.ITmfContext;
  18 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  19 import org.eclipse.tracecompass.tmf.core.trace.TmfContext;
  20 import org.eclipse.tracecompass.tmf.core.trace.location.ITmfLocation;
  21
  22 /**
  23  * <b><u>TmfEmptyTraceStub</u></b>
  24  * <p>
  25  * Dummy test trace. Use in conjunction with TmfEventParserStub.
  26  */
  27 public class TmfEmptyTraceStub extends TmfTraceStub {
  28
  29     // ------------------------------------------------------------------------
  30     // Constructors
  31     // ------------------------------------------------------------------------
  32
  33     /**
  34      * Constructor
  35      *
  36      * @param path
  37      *            the empty trace path
  38      *
  39      * @throws TmfTraceException
  40      *             if an exception occurs
  41      */
  42     public TmfEmptyTraceStub(String path) throws TmfTraceException {
  43         super(path, ITmfTrace.DEFAULT_TRACE_CACHE_SIZE, 0L);
  44     }
  45
  46     // ------------------------------------------------------------------------
  47     // Operators
  48     // ------------------------------------------------------------------------
  49
  50     @Override
  51     public TmfContext seekEvent(final ITmfLocation location) {
  52         return new TmfContext();
  53     }
  54
  55     @Override
  56     public TmfContext seekEvent(final double ratio) {
  57         return new TmfContext();
  58     }
  59
  60     @Override
  61     public double getLocationRatio(ITmfLocation location) {
  62         return 0;
  63     }
  64
  65     @Override
  66     public ITmfLocation getCurrentLocation() {
  67         return null;
  68     }
  69
  70     @Override
  71     public ITmfEvent parseEvent(final ITmfContext context) {
  72         return null;
  73     }
  74
  75 }