1 /*******************************************************************************
2 * Copyright (c) 2009, 2010 Ericsson
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
10 * Francois Chouinard - Initial API and implementation
11 *******************************************************************************/
13 package org
.eclipse
.linuxtools
.tmf
.tests
.stubs
.trace
;
15 import java
.io
.FileNotFoundException
;
16 import java
.io
.IOException
;
17 import java
.io
.RandomAccessFile
;
18 import java
.util
.concurrent
.locks
.ReentrantLock
;
20 import org
.eclipse
.linuxtools
.tmf
.core
.event
.ITmfEvent
;
21 import org
.eclipse
.linuxtools
.tmf
.core
.event
.ITmfTimestamp
;
22 import org
.eclipse
.linuxtools
.tmf
.core
.event
.TmfEvent
;
23 import org
.eclipse
.linuxtools
.tmf
.core
.event
.TmfTimeRange
;
24 import org
.eclipse
.linuxtools
.tmf
.core
.parser
.ITmfEventParser
;
25 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfContext
;
26 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfLocation
;
27 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfContext
;
28 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfLocation
;
29 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfTrace
;
32 * <b><u>TmfTraceStub</u></b>
34 * Dummy test trace. Use in conjunction with TmfEventParserStub.
36 @SuppressWarnings("nls")
37 public class TmfTraceStub
extends TmfTrace
<TmfEvent
> {
39 // ------------------------------------------------------------------------
41 // ------------------------------------------------------------------------
44 private RandomAccessFile fTrace
;
46 // The associated event parser
47 private ITmfEventParser
<TmfEvent
> fParser
;
49 // The synchronization lock
50 private final ReentrantLock fLock
= new ReentrantLock();
52 // ------------------------------------------------------------------------
54 // ------------------------------------------------------------------------
58 * @throws FileNotFoundException
60 public TmfTraceStub(final String path
) throws FileNotFoundException
{
61 this(path
, DEFAULT_INDEX_PAGE_SIZE
, false);
67 * @throws FileNotFoundException
69 public TmfTraceStub(final String path
, final int cacheSize
) throws FileNotFoundException
{
70 this(path
, cacheSize
, false);
75 * @param waitForCompletion
76 * @throws FileNotFoundException
78 public TmfTraceStub(final String path
, final boolean waitForCompletion
) throws FileNotFoundException
{
79 this(path
, DEFAULT_INDEX_PAGE_SIZE
, waitForCompletion
);
85 * @param waitForCompletion
86 * @throws FileNotFoundException
88 public TmfTraceStub(final String path
, final int cacheSize
, final boolean waitForCompletion
) throws FileNotFoundException
{
89 super(null, TmfEvent
.class, path
, cacheSize
, false);
90 fTrace
= new RandomAccessFile(path
, "r");
91 fParser
= new TmfEventParserStub();
98 * @param waitForCompletion
100 * @throws FileNotFoundException
102 public TmfTraceStub(final String path
, final int cacheSize
, final boolean waitForCompletion
, final ITmfEventParser
<TmfEvent
> parser
) throws FileNotFoundException
{
103 super(path
, TmfEvent
.class, path
, cacheSize
, false);
104 fTrace
= new RandomAccessFile(path
, "r");
111 public TmfTraceStub
clone() {
112 TmfTraceStub clone
= null;
114 clone
= (TmfTraceStub
) super.clone();
115 clone
.fTrace
= new RandomAccessFile(getPath(), "r");
116 clone
.fParser
= new TmfEventParserStub();
117 } catch (final FileNotFoundException e
) {
122 // ------------------------------------------------------------------------
124 // ------------------------------------------------------------------------
126 public RandomAccessFile
getStream() {
130 // ------------------------------------------------------------------------
132 // ------------------------------------------------------------------------
135 @SuppressWarnings("unchecked")
136 public TmfContext
seekLocation(final ITmfLocation
<?
> location
) {
139 if (fTrace
!= null) {
140 // Position the trace at the requested location and
141 // returns the corresponding context
144 if (location
!= null) {
145 loc
= ((TmfLocation
<Long
>) location
).getLocation();
146 rank
= ITmfContext
.UNKNOWN_RANK
;
148 if (loc
!= fTrace
.getFilePointer())
150 final TmfContext context
= new TmfContext(getCurrentLocation(), rank
);
153 } catch (final IOException e
) {
164 public TmfContext
seekLocation(final double ratio
) {
167 if (fTrace
!= null) {
168 final ITmfLocation
<?
> location
= new TmfLocation
<Long
>(Long
.valueOf((long) (ratio
* fTrace
.length())));
169 final TmfContext context
= seekLocation(location
);
170 context
.setRank(ITmfContext
.UNKNOWN_RANK
);
173 } catch (final IOException e
) {
183 @SuppressWarnings("rawtypes")
184 public double getLocationRatio(final ITmfLocation location
) {
188 if (location
.getLocation() instanceof Long
)
189 return (double) ((Long
) location
.getLocation()) / fTrace
.length();
190 } catch (final IOException e
) {
199 public TmfLocation
<Long
> getCurrentLocation() {
203 return new TmfLocation
<Long
>(fTrace
.getFilePointer());
204 } catch (final IOException e
) {
213 public ITmfEvent
parseEvent(final ITmfContext context
) {
216 // parseNextEvent will update the context
217 if (fTrace
!= null) {
218 final ITmfEvent event
= fParser
.parseNextEvent(this, context
.clone());
222 catch (final IOException e
) {
231 public void setTimeRange(final TmfTimeRange range
) {
232 super.setTimeRange(range
);
236 public void setStartTime(final ITmfTimestamp startTime
) {
237 super.setStartTime(startTime
);
241 public void setEndTime(final ITmfTimestamp endTime
) {
242 super.setEndTime(endTime
);
246 public void dispose() {
249 if (fTrace
!= null) {
253 } catch (final IOException e
) {
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