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8c8bf09f ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009, 2010 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 | ||
6c13869b | 13 | package org.eclipse.linuxtools.tmf.core.experiment; |
8c8bf09f | 14 | |
12c155f5 | 15 | import java.io.FileNotFoundException; |
9f584e4c | 16 | import java.util.Collections; |
8c8bf09f ASL |
17 | import java.util.Vector; |
18 | ||
12c155f5 | 19 | import org.eclipse.core.resources.IProject; |
828e5592 | 20 | import org.eclipse.core.resources.IResource; |
05bd3318 FC |
21 | import org.eclipse.core.runtime.IProgressMonitor; |
22 | import org.eclipse.core.runtime.IStatus; | |
23 | import org.eclipse.core.runtime.Status; | |
24 | import org.eclipse.core.runtime.jobs.Job; | |
6c13869b FC |
25 | import org.eclipse.linuxtools.tmf.core.component.TmfEventProvider; |
26 | import org.eclipse.linuxtools.tmf.core.event.TmfEvent; | |
27 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; | |
28 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
29 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; | |
30 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
31 | import org.eclipse.linuxtools.tmf.core.request.TmfDataRequest; | |
32 | import org.eclipse.linuxtools.tmf.core.request.TmfEventRequest; | |
1b70b6dc | 33 | import org.eclipse.linuxtools.tmf.core.signal.TmfEndSynchSignal; |
6c13869b FC |
34 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentDisposedSignal; |
35 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentRangeUpdatedSignal; | |
36 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
37 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; | |
38 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
39 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
40 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceUpdatedSignal; | |
41 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; | |
42 | import org.eclipse.linuxtools.tmf.core.trace.ITmfLocation; | |
43 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
44 | import org.eclipse.linuxtools.tmf.core.trace.TmfCheckpoint; | |
45 | import org.eclipse.linuxtools.tmf.core.trace.TmfContext; | |
8c8bf09f ASL |
46 | |
47 | /** | |
48 | * <b><u>TmfExperiment</u></b> | |
49 | * <p> | |
12c155f5 | 50 | * TmfExperiment presents a time-ordered, unified view of a set of TmfTraces that are part of a tracing experiment. |
8c8bf09f ASL |
51 | * <p> |
52 | */ | |
12c155f5 | 53 | public class TmfExperiment<T extends TmfEvent> extends TmfEventProvider<T> implements ITmfTrace<T> { |
8c8bf09f ASL |
54 | |
55 | // ------------------------------------------------------------------------ | |
56 | // Attributes | |
57 | // ------------------------------------------------------------------------ | |
58 | ||
a79913eb | 59 | // The currently selected experiment |
82e04272 | 60 | protected static TmfExperiment<?> fCurrentExperiment = null; |
e31e01e8 | 61 | |
a79913eb | 62 | // The set of traces that constitute the experiment |
12c155f5 | 63 | protected ITmfTrace<T>[] fTraces; |
8c8bf09f ASL |
64 | |
65 | // The total number of events | |
82e04272 | 66 | protected long fNbEvents; |
8c8bf09f ASL |
67 | |
68 | // The experiment time range | |
82e04272 | 69 | protected TmfTimeRange fTimeRange; |
8c8bf09f | 70 | |
9b635e61 | 71 | // The experiment reference timestamp (default: Zero) |
82e04272 | 72 | protected TmfTimestamp fEpoch; |
8c8bf09f | 73 | |
a79913eb | 74 | // The experiment index |
82e04272 | 75 | protected Vector<TmfCheckpoint> fCheckpoints = new Vector<TmfCheckpoint>(); |
9f584e4c | 76 | |
f6b14ce2 FC |
77 | // The current experiment context |
78 | protected TmfExperimentContext fExperimentContext; | |
a79913eb | 79 | |
828e5592 PT |
80 | // Flag to initialize only once |
81 | private boolean fInitialized = false; | |
82 | ||
83 | // The experiment resource | |
84 | private IResource fResource; | |
85 | ||
8c8bf09f ASL |
86 | // ------------------------------------------------------------------------ |
87 | // Constructors | |
88 | // ------------------------------------------------------------------------ | |
89 | ||
12c155f5 FC |
90 | @Override |
91 | public boolean validate(IProject project, String path) { | |
92 | return true; | |
93 | } | |
94 | ||
95 | @Override | |
96 | public void initTrace(String path, Class<T> eventType) throws FileNotFoundException { | |
97 | } | |
98 | ||
99 | @Override | |
100 | public void initTrace(String path, Class<T> eventType, boolean indexTrace) throws FileNotFoundException { | |
101 | } | |
102 | ||
103 | @Override | |
104 | public void initTrace(String path, Class<T> eventType, int cacheSize) throws FileNotFoundException { | |
105 | } | |
106 | ||
107 | @Override | |
108 | public void initTrace(String path, Class<T> eventType, int cacheSize, boolean indexTrace) throws FileNotFoundException { | |
109 | } | |
110 | ||
96c6806f PT |
111 | @Override |
112 | public void initTrace(String path, Class<T> eventType, int cacheSize, boolean indexTrace, String name) throws FileNotFoundException { | |
113 | } | |
114 | ||
8c8bf09f ASL |
115 | /** |
116 | * @param type | |
117 | * @param id | |
118 | * @param traces | |
119 | * @param epoch | |
120 | * @param indexPageSize | |
121 | */ | |
12c155f5 | 122 | public TmfExperiment(Class<T> type, String id, ITmfTrace<T>[] traces, TmfTimestamp epoch, int indexPageSize) { |
045df77d | 123 | this(type, id, traces, TmfTimestamp.Zero, indexPageSize, false); |
a79913eb | 124 | } |
cb866e08 | 125 | |
12c155f5 | 126 | public TmfExperiment(Class<T> type, String id, ITmfTrace<T>[] traces, TmfTimestamp epoch, int indexPageSize, boolean preIndexExperiment) { |
a79913eb | 127 | super(id, type); |
8c8bf09f | 128 | |
a79913eb FC |
129 | fTraces = traces; |
130 | fEpoch = epoch; | |
131 | fIndexPageSize = indexPageSize; | |
132 | fTimeRange = TmfTimeRange.Null; | |
8c8bf09f | 133 | |
a79913eb FC |
134 | if (preIndexExperiment) { |
135 | indexExperiment(true); | |
136 | updateTimeRange(); | |
137 | } | |
cb866e08 | 138 | |
a79913eb | 139 | } |
8c8bf09f | 140 | |
82e04272 FC |
141 | protected TmfExperiment(String id, Class<T> type) { |
142 | super(id, type); | |
a79913eb | 143 | } |
82e04272 | 144 | |
8c8bf09f ASL |
145 | /** |
146 | * @param type | |
147 | * @param id | |
148 | * @param traces | |
149 | */ | |
12c155f5 | 150 | public TmfExperiment(Class<T> type, String id, ITmfTrace<T>[] traces) { |
8c8bf09f ASL |
151 | this(type, id, traces, TmfTimestamp.Zero, DEFAULT_INDEX_PAGE_SIZE); |
152 | } | |
153 | ||
154 | /** | |
155 | * @param type | |
156 | * @param id | |
157 | * @param traces | |
158 | * @param indexPageSize | |
159 | */ | |
12c155f5 | 160 | public TmfExperiment(Class<T> type, String id, ITmfTrace<T>[] traces, int indexPageSize) { |
8c8bf09f ASL |
161 | this(type, id, traces, TmfTimestamp.Zero, indexPageSize); |
162 | } | |
a79913eb | 163 | |
f6b14ce2 FC |
164 | /** |
165 | * Copy constructor | |
a79913eb | 166 | * |
f6b14ce2 FC |
167 | * @param other |
168 | */ | |
12c155f5 | 169 | @SuppressWarnings("unchecked") |
ce785d7d | 170 | public TmfExperiment(TmfExperiment<T> other) { |
a79913eb FC |
171 | super(other.getName() + "(clone)", other.fType); //$NON-NLS-1$ |
172 | ||
173 | fEpoch = other.fEpoch; | |
174 | fIndexPageSize = other.fIndexPageSize; | |
175 | ||
176 | fTraces = new ITmfTrace[other.fTraces.length]; | |
177 | for (int trace = 0; trace < other.fTraces.length; trace++) { | |
12c155f5 | 178 | fTraces[trace] = other.fTraces[trace].copy(); |
a79913eb FC |
179 | } |
180 | ||
181 | fNbEvents = other.fNbEvents; | |
182 | fTimeRange = other.fTimeRange; | |
183 | } | |
184 | ||
185 | @Override | |
12c155f5 | 186 | public TmfExperiment<T> copy() { |
a79913eb FC |
187 | TmfExperiment<T> experiment = new TmfExperiment<T>(this); |
188 | TmfSignalManager.deregister(experiment); | |
189 | return experiment; | |
190 | } | |
191 | ||
8c8bf09f | 192 | /** |
ff4ed569 | 193 | * Clears the experiment |
8c8bf09f ASL |
194 | */ |
195 | @Override | |
12c155f5 | 196 | @SuppressWarnings("rawtypes") |
a79913eb FC |
197 | public synchronized void dispose() { |
198 | ||
199 | TmfExperimentDisposedSignal<T> signal = new TmfExperimentDisposedSignal<T>(this, this); | |
200 | broadcast(signal); | |
201 | ||
202 | if (fTraces != null) { | |
203 | for (ITmfTrace trace : fTraces) { | |
204 | trace.dispose(); | |
205 | } | |
206 | fTraces = null; | |
207 | } | |
208 | if (fCheckpoints != null) { | |
209 | fCheckpoints.clear(); | |
210 | } | |
2fb2eb37 | 211 | super.dispose(); |
8c8bf09f ASL |
212 | } |
213 | ||
9f584e4c | 214 | // ------------------------------------------------------------------------ |
cbd4ad82 | 215 | // ITmfTrace |
9f584e4c FC |
216 | // ------------------------------------------------------------------------ |
217 | ||
a79913eb FC |
218 | @Override |
219 | public long getNbEvents() { | |
220 | return fNbEvents; | |
221 | } | |
9f584e4c | 222 | |
d4011df2 | 223 | @Override |
a79913eb | 224 | public int getCacheSize() { |
54d55ced FC |
225 | return fIndexPageSize; |
226 | } | |
227 | ||
a79913eb FC |
228 | @Override |
229 | public TmfTimeRange getTimeRange() { | |
230 | return fTimeRange; | |
231 | } | |
9f584e4c | 232 | |
a79913eb FC |
233 | @Override |
234 | public TmfTimestamp getStartTime() { | |
235 | return fTimeRange.getStartTime(); | |
236 | } | |
9f584e4c | 237 | |
a79913eb FC |
238 | @Override |
239 | public TmfTimestamp getEndTime() { | |
240 | return fTimeRange.getEndTime(); | |
241 | } | |
9f584e4c | 242 | |
54d55ced | 243 | public Vector<TmfCheckpoint> getCheckpoints() { |
a79913eb | 244 | return fCheckpoints; |
54d55ced FC |
245 | } |
246 | ||
8c8bf09f | 247 | // ------------------------------------------------------------------------ |
e31e01e8 | 248 | // Accessors |
8c8bf09f ASL |
249 | // ------------------------------------------------------------------------ |
250 | ||
c1c69938 | 251 | public static void setCurrentExperiment(TmfExperiment<?> experiment) { |
a79913eb | 252 | fCurrentExperiment = experiment; |
f6b14ce2 FC |
253 | } |
254 | ||
e31e01e8 | 255 | public static TmfExperiment<?> getCurrentExperiment() { |
a79913eb | 256 | return fCurrentExperiment; |
8c8bf09f ASL |
257 | } |
258 | ||
8c8bf09f | 259 | public TmfTimestamp getEpoch() { |
a79913eb | 260 | return fEpoch; |
8c8bf09f ASL |
261 | } |
262 | ||
12c155f5 | 263 | public ITmfTrace<T>[] getTraces() { |
a79913eb | 264 | return fTraces; |
8c8bf09f ASL |
265 | } |
266 | ||
267 | /** | |
12c155f5 FC |
268 | * Returns the rank of the first event with the requested timestamp. If none, returns the index of the next event |
269 | * (if any). | |
a79913eb | 270 | * |
85fb0e54 | 271 | * @param timestamp |
8c8bf09f ASL |
272 | * @return |
273 | */ | |
d4011df2 | 274 | @Override |
a79913eb FC |
275 | public long getRank(TmfTimestamp timestamp) { |
276 | TmfExperimentContext context = seekEvent(timestamp); | |
277 | return context.getRank(); | |
8c8bf09f ASL |
278 | } |
279 | ||
280 | /** | |
12c155f5 | 281 | * Returns the timestamp of the event at the requested index. If none, returns null. |
a79913eb | 282 | * |
8c8bf09f ASL |
283 | * @param index |
284 | * @return | |
285 | */ | |
286 | public TmfTimestamp getTimestamp(int index) { | |
a79913eb FC |
287 | TmfExperimentContext context = seekEvent(index); |
288 | TmfEvent event = getNextEvent(context); | |
289 | return (event != null) ? event.getTimestamp() : null; | |
8c8bf09f ASL |
290 | } |
291 | ||
292 | // ------------------------------------------------------------------------ | |
293 | // Operators | |
294 | // ------------------------------------------------------------------------ | |
295 | ||
8c8bf09f ASL |
296 | /** |
297 | * Update the global time range | |
298 | */ | |
a79913eb FC |
299 | protected void updateTimeRange() { |
300 | TmfTimestamp startTime = fTimeRange != TmfTimeRange.Null ? fTimeRange.getStartTime() : TmfTimestamp.BigCrunch; | |
301 | TmfTimestamp endTime = fTimeRange != TmfTimeRange.Null ? fTimeRange.getEndTime() : TmfTimestamp.BigBang; | |
302 | ||
12c155f5 | 303 | for (ITmfTrace<T> trace : fTraces) { |
a79913eb FC |
304 | TmfTimestamp traceStartTime = trace.getStartTime(); |
305 | if (traceStartTime.compareTo(startTime, true) < 0) | |
306 | startTime = traceStartTime; | |
307 | TmfTimestamp traceEndTime = trace.getEndTime(); | |
308 | if (traceEndTime.compareTo(endTime, true) > 0) | |
309 | endTime = traceEndTime; | |
310 | } | |
311 | fTimeRange = new TmfTimeRange(startTime, endTime); | |
8c8bf09f ASL |
312 | } |
313 | ||
314 | // ------------------------------------------------------------------------ | |
315 | // TmfProvider | |
316 | // ------------------------------------------------------------------------ | |
a79913eb FC |
317 | @Override |
318 | public ITmfContext armRequest(ITmfDataRequest<T> request) { | |
9b635e61 | 319 | // Tracer.trace("Ctx: Arming request - start"); |
12c155f5 FC |
320 | TmfTimestamp timestamp = (request instanceof ITmfEventRequest<?>) ? ((ITmfEventRequest<T>) request).getRange().getStartTime() |
321 | : null; | |
a79913eb FC |
322 | |
323 | if (TmfTimestamp.BigBang.equals(timestamp) || request.getIndex() > 0) { | |
324 | timestamp = null; // use request index | |
325 | } | |
326 | ||
327 | TmfExperimentContext context = null; | |
328 | if (timestamp != null) { | |
329 | // seek by timestamp | |
330 | context = seekEvent(timestamp); | |
331 | ((ITmfEventRequest<T>) request).setStartIndex((int) context.getRank()); | |
332 | } else { | |
333 | // Seek by rank | |
334 | if ((fExperimentContext != null) && fExperimentContext.getRank() == request.getIndex()) { | |
335 | // We are already at the right context -> no need to seek | |
336 | context = fExperimentContext; | |
337 | } else { | |
338 | context = seekEvent(request.getIndex()); | |
339 | } | |
340 | } | |
9b635e61 | 341 | // Tracer.trace("Ctx: Arming request - done"); |
a79913eb FC |
342 | return context; |
343 | } | |
344 | ||
345 | @SuppressWarnings("unchecked") | |
346 | @Override | |
347 | public T getNext(ITmfContext context) { | |
348 | if (context instanceof TmfExperimentContext) { | |
349 | return (T) getNextEvent((TmfExperimentContext) context); | |
350 | } | |
351 | return null; | |
352 | } | |
353 | ||
354 | // ------------------------------------------------------------------------ | |
9f584e4c FC |
355 | // ITmfTrace trace positioning |
356 | // ------------------------------------------------------------------------ | |
357 | ||
a79913eb FC |
358 | // Returns a brand new context based on the location provided |
359 | // and initializes the event queues | |
360 | @Override | |
361 | public synchronized TmfExperimentContext seekLocation(ITmfLocation<?> location) { | |
362 | // Validate the location | |
363 | if (location != null && !(location instanceof TmfExperimentLocation)) { | |
364 | return null; // Throw an exception? | |
365 | } | |
8f50c396 | 366 | |
a79913eb FC |
367 | if (fTraces == null) { // experiment has been disposed |
368 | return null; | |
369 | } | |
8f50c396 | 370 | |
a79913eb | 371 | // Instantiate the location |
12c155f5 FC |
372 | TmfExperimentLocation expLocation = (location == null) ? new TmfExperimentLocation(new TmfLocationArray( |
373 | new ITmfLocation<?>[fTraces.length]), new long[fTraces.length]) : (TmfExperimentLocation) location.clone(); | |
8f50c396 | 374 | |
a79913eb FC |
375 | // Create and populate the context's traces contexts |
376 | TmfExperimentContext context = new TmfExperimentContext(fTraces, new TmfContext[fTraces.length]); | |
9b635e61 FC |
377 | // Tracer.trace("Ctx: SeekLocation - start"); |
378 | ||
a79913eb FC |
379 | long rank = 0; |
380 | for (int i = 0; i < fTraces.length; i++) { | |
381 | // Get the relevant trace attributes | |
382 | ITmfLocation<?> traceLocation = expLocation.getLocation().locations[i]; | |
383 | long traceRank = expLocation.getRanks()[i]; | |
8f50c396 | 384 | |
a79913eb FC |
385 | // Set the corresponding sub-context |
386 | context.getContexts()[i] = fTraces[i].seekLocation(traceLocation); | |
387 | context.getContexts()[i].setRank(traceRank); | |
388 | rank += traceRank; | |
8f50c396 | 389 | |
a79913eb | 390 | // Set the trace location and read the corresponding event |
478e04a4 | 391 | expLocation.getLocation().locations[i] = context.getContexts()[i].getLocation().clone(); |
a79913eb FC |
392 | context.getEvents()[i] = fTraces[i].getNextEvent(context.getContexts()[i]); |
393 | } | |
8f50c396 | 394 | |
9b635e61 FC |
395 | // Tracer.trace("Ctx: SeekLocation - done"); |
396 | ||
a79913eb FC |
397 | // Finalize context |
398 | context.setLocation(expLocation); | |
399 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
400 | context.setRank(rank); | |
9b635e61 | 401 | |
a79913eb | 402 | fExperimentContext = context; |
9b635e61 | 403 | |
a79913eb FC |
404 | return context; |
405 | } | |
9f584e4c | 406 | |
a79913eb FC |
407 | /* |
408 | * (non-Javadoc) | |
409 | * | |
12c155f5 | 410 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools .tmf.event.TmfTimestamp) |
a79913eb FC |
411 | */ |
412 | @Override | |
413 | public synchronized TmfExperimentContext seekEvent(TmfTimestamp timestamp) { | |
9b635e61 FC |
414 | |
415 | // Tracer.trace("Ctx: seekEvent(TS) - start"); | |
8c8bf09f | 416 | |
a79913eb FC |
417 | if (timestamp == null) { |
418 | timestamp = TmfTimestamp.BigBang; | |
419 | } | |
9f584e4c | 420 | |
a79913eb FC |
421 | // First, find the right checkpoint |
422 | int index = Collections.binarySearch(fCheckpoints, new TmfCheckpoint(timestamp, null)); | |
9f584e4c FC |
423 | |
424 | // In the very likely case that the checkpoint was not found, bsearch | |
425 | // returns its negated would-be location (not an offset...). From that | |
426 | // index, we can then position the stream and get the event. | |
427 | if (index < 0) { | |
428 | index = Math.max(0, -(index + 2)); | |
429 | } | |
430 | ||
431 | // Position the experiment at the checkpoint | |
452ad365 | 432 | ITmfLocation<?> location; |
9f584e4c | 433 | synchronized (fCheckpoints) { |
a79913eb FC |
434 | if (fCheckpoints.size() > 0) { |
435 | if (index >= fCheckpoints.size()) { | |
436 | index = fCheckpoints.size() - 1; | |
437 | } | |
438 | location = fCheckpoints.elementAt(index).getLocation(); | |
439 | } else { | |
440 | location = null; | |
441 | } | |
9f584e4c FC |
442 | } |
443 | ||
85fb0e54 | 444 | TmfExperimentContext context = seekLocation(location); |
cbd4ad82 | 445 | context.setRank((long) index * fIndexPageSize); |
9f584e4c | 446 | |
a79913eb | 447 | // And locate the event |
fa867360 | 448 | TmfEvent event = parseEvent(context); |
9f584e4c | 449 | while (event != null && event.getTimestamp().compareTo(timestamp, false) < 0) { |
a79913eb FC |
450 | getNextEvent(context); |
451 | event = parseEvent(context); | |
9f584e4c FC |
452 | } |
453 | ||
f6b14ce2 | 454 | if (event == null) { |
a79913eb FC |
455 | context.setLocation(null); |
456 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
9b635e61 | 457 | } |
f6b14ce2 FC |
458 | |
459 | return context; | |
a79913eb | 460 | } |
8c8bf09f | 461 | |
a79913eb FC |
462 | /* |
463 | * (non-Javadoc) | |
464 | * | |
465 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#seekEvent(long) | |
466 | */ | |
467 | @Override | |
468 | public synchronized TmfExperimentContext seekEvent(long rank) { | |
9b635e61 FC |
469 | |
470 | // Tracer.trace("Ctx: seekEvent(rank) - start"); | |
9f584e4c | 471 | |
54d55ced FC |
472 | // Position the stream at the previous checkpoint |
473 | int index = (int) rank / fIndexPageSize; | |
474 | ITmfLocation<?> location; | |
475 | synchronized (fCheckpoints) { | |
a79913eb FC |
476 | if (fCheckpoints.size() == 0) { |
477 | location = null; | |
478 | } else { | |
479 | if (index >= fCheckpoints.size()) { | |
480 | index = fCheckpoints.size() - 1; | |
481 | } | |
482 | location = fCheckpoints.elementAt(index).getLocation(); | |
483 | } | |
54d55ced | 484 | } |
e31e01e8 | 485 | |
54d55ced | 486 | TmfExperimentContext context = seekLocation(location); |
9b635e61 | 487 | context.setRank((long) index * fIndexPageSize); |
54d55ced | 488 | |
a79913eb | 489 | // And locate the event |
fa867360 | 490 | TmfEvent event = parseEvent(context); |
9b635e61 | 491 | long pos = context.getRank(); |
fa867360 | 492 | while (event != null && pos++ < rank) { |
a79913eb FC |
493 | getNextEvent(context); |
494 | event = parseEvent(context); | |
54d55ced | 495 | } |
9f584e4c | 496 | |
f6b14ce2 | 497 | if (event == null) { |
a79913eb FC |
498 | context.setLocation(null); |
499 | context.setRank(ITmfContext.UNKNOWN_RANK); | |
9b635e61 | 500 | } |
f6b14ce2 | 501 | |
a79913eb FC |
502 | return context; |
503 | } | |
8c8bf09f | 504 | |
c76c54bb FC |
505 | @Override |
506 | public TmfContext seekLocation(double ratio) { | |
507 | TmfContext context = seekEvent((long) (ratio * getNbEvents())); | |
508 | return context; | |
509 | } | |
510 | ||
a79913eb | 511 | @Override |
c76c54bb | 512 | public double getLocationRatio(ITmfLocation<?> location) { |
a79913eb FC |
513 | if (location instanceof TmfExperimentLocation) { |
514 | return (double) seekLocation(location).getRank() / getNbEvents(); | |
515 | } | |
c76c54bb FC |
516 | return 0; |
517 | } | |
518 | ||
a79913eb FC |
519 | @Override |
520 | public ITmfLocation<?> getCurrentLocation() { | |
521 | if (fExperimentContext != null) { | |
522 | return fExperimentContext.getLocation(); | |
523 | } | |
524 | return null; | |
525 | } | |
c76c54bb | 526 | |
a79913eb | 527 | /** |
12c155f5 | 528 | * Scan the next events from all traces and return the next one in chronological order. |
a79913eb FC |
529 | * |
530 | * @param context | |
531 | * @return | |
532 | */ | |
9b635e61 FC |
533 | |
534 | // private void dumpContext(TmfExperimentContext context, boolean isBefore) { | |
535 | ||
536 | // TmfContext context0 = context.getContexts()[0]; | |
537 | // TmfEvent event0 = context.getEvents()[0]; | |
538 | // TmfExperimentLocation location0 = (TmfExperimentLocation) context.getLocation(); | |
539 | // long rank0 = context.getRank(); | |
540 | // int trace = context.getLastTrace(); | |
541 | // | |
542 | // StringBuffer result = new StringBuffer("Ctx: " + (isBefore ? "B " : "A ")); | |
543 | // | |
544 | // result.append("[Ctx: fLoc= " + context0.getLocation().toString() + ", fRnk= " + context0.getRank() + "] "); | |
545 | // result.append("[Evt: " + event0.getTimestamp().toString() + "] "); | |
546 | // result.append("[Loc: fLoc= " + location0.getLocation()[0].toString() + ", fRnk= " + location0.getRanks()[0] + "] "); | |
547 | // result.append("[Rnk: " + rank0 + "], [Trc: " + trace + "]"); | |
548 | // Tracer.trace(result.toString()); | |
549 | // } | |
54d55ced | 550 | |
a79913eb FC |
551 | @Override |
552 | public synchronized TmfEvent getNextEvent(TmfContext context) { | |
553 | ||
554 | // Validate the context | |
555 | if (!(context instanceof TmfExperimentContext)) { | |
556 | return null; // Throw an exception? | |
557 | } | |
54d55ced | 558 | |
a79913eb | 559 | if (!context.equals(fExperimentContext)) { |
9b635e61 | 560 | // Tracer.trace("Ctx: Restoring context"); |
a79913eb FC |
561 | fExperimentContext = seekLocation(context.getLocation()); |
562 | } | |
563 | ||
564 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
8f50c396 | 565 | |
9b635e61 FC |
566 | // dumpContext(expContext, true); |
567 | ||
a79913eb FC |
568 | // If an event was consumed previously, get the next one from that trace |
569 | int lastTrace = expContext.getLastTrace(); | |
570 | if (lastTrace != TmfExperimentContext.NO_TRACE) { | |
571 | TmfContext traceContext = expContext.getContexts()[lastTrace]; | |
572 | expContext.getEvents()[lastTrace] = expContext.getTraces()[lastTrace].getNextEvent(traceContext); | |
573 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); | |
574 | } | |
8f50c396 | 575 | |
a79913eb FC |
576 | // Scan the candidate events and identify the "next" trace to read from |
577 | TmfEvent eventArray[] = expContext.getEvents(); | |
1324801a FC |
578 | if (eventArray == null) { |
579 | return null; | |
580 | } | |
a79913eb FC |
581 | int trace = TmfExperimentContext.NO_TRACE; |
582 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; | |
1324801a FC |
583 | if (eventArray.length == 1) { |
584 | if (eventArray[0] != null) { | |
585 | timestamp = eventArray[0].getTimestamp(); | |
586 | trace = 0; | |
587 | } | |
588 | } else { | |
589 | for (int i = 0; i < eventArray.length; i++) { | |
590 | TmfEvent event = eventArray[i]; | |
591 | if (event != null && event.getTimestamp() != null) { | |
592 | TmfTimestamp otherTS = event.getTimestamp(); | |
593 | if (otherTS.compareTo(timestamp, true) < 0) { | |
594 | trace = i; | |
595 | timestamp = otherTS; | |
596 | } | |
597 | } | |
598 | } | |
a79913eb | 599 | } |
1324801a | 600 | // Update the experiment context and set the "next" event |
a79913eb FC |
601 | TmfEvent event = null; |
602 | if (trace != TmfExperimentContext.NO_TRACE) { | |
603 | updateIndex(expContext, timestamp); | |
82e04272 | 604 | |
a79913eb FC |
605 | TmfContext traceContext = expContext.getContexts()[trace]; |
606 | TmfExperimentLocation expLocation = (TmfExperimentLocation) expContext.getLocation(); | |
64fe8e8a | 607 | // expLocation.getLocation()[trace] = traceContext.getLocation().clone(); |
478e04a4 | 608 | expLocation.getLocation().locations[trace] = traceContext.getLocation().clone(); |
82e04272 FC |
609 | |
610 | // updateIndex(expContext, timestamp); | |
611 | ||
a79913eb FC |
612 | expLocation.getRanks()[trace] = traceContext.getRank(); |
613 | expContext.setLastTrace(trace); | |
614 | expContext.updateRank(1); | |
615 | event = expContext.getEvents()[trace]; | |
616 | fExperimentContext = expContext; | |
617 | } | |
8f50c396 | 618 | |
9b635e61 FC |
619 | // if (event != null) { |
620 | // Tracer.trace("Exp: " + (expContext.getRank() - 1) + ": " + event.getTimestamp().toString()); | |
621 | // dumpContext(expContext, false); | |
622 | // Tracer.trace("Ctx: Event returned= " + event.getTimestamp().toString()); | |
623 | // } | |
624 | ||
a79913eb FC |
625 | return event; |
626 | } | |
627 | ||
628 | public synchronized void updateIndex(ITmfContext context, TmfTimestamp timestamp) { | |
629 | // Build the index as we go along | |
630 | long rank = context.getRank(); | |
631 | if (context.isValidRank() && (rank % fIndexPageSize) == 0) { | |
632 | // Determine the table position | |
633 | long position = rank / fIndexPageSize; | |
634 | // Add new entry at proper location (if empty) | |
635 | if (fCheckpoints.size() == position) { | |
636 | ITmfLocation<?> location = context.getLocation().clone(); | |
637 | fCheckpoints.add(new TmfCheckpoint(timestamp.clone(), location)); | |
12c155f5 FC |
638 | // System.out.println(this + "[" + (fCheckpoints.size() - 1) + "] " + timestamp + ", " |
639 | // + location.toString()); | |
a79913eb FC |
640 | } |
641 | } | |
642 | } | |
643 | ||
644 | /* | |
645 | * (non-Javadoc) | |
646 | * | |
12c155f5 | 647 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#parseEvent(org.eclipse.linuxtools .tmf.trace.TmfContext) |
a79913eb FC |
648 | */ |
649 | @Override | |
650 | public TmfEvent parseEvent(TmfContext context) { | |
651 | ||
652 | // Validate the context | |
653 | if (!(context instanceof TmfExperimentContext)) { | |
654 | return null; // Throw an exception? | |
655 | } | |
656 | ||
657 | if (!context.equals(fExperimentContext)) { | |
9b635e61 | 658 | // Tracer.trace("Ctx: Restoring context"); |
a79913eb FC |
659 | seekLocation(context.getLocation()); |
660 | } | |
661 | ||
662 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
663 | ||
664 | // If an event was consumed previously, get the next one from that trace | |
665 | int lastTrace = expContext.getLastTrace(); | |
666 | if (lastTrace != TmfExperimentContext.NO_TRACE) { | |
667 | TmfContext traceContext = expContext.getContexts()[lastTrace]; | |
668 | expContext.getEvents()[lastTrace] = expContext.getTraces()[lastTrace].getNextEvent(traceContext); | |
669 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); | |
670 | fExperimentContext = (TmfExperimentContext) context; | |
671 | } | |
672 | ||
673 | // Scan the candidate events and identify the "next" trace to read from | |
674 | int trace = TmfExperimentContext.NO_TRACE; | |
675 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; | |
676 | for (int i = 0; i < expContext.getTraces().length; i++) { | |
677 | TmfEvent event = expContext.getEvents()[i]; | |
678 | if (event != null && event.getTimestamp() != null) { | |
679 | TmfTimestamp otherTS = event.getTimestamp(); | |
680 | if (otherTS.compareTo(timestamp, true) < 0) { | |
681 | trace = i; | |
682 | timestamp = otherTS; | |
683 | } | |
684 | } | |
685 | } | |
686 | ||
687 | TmfEvent event = null; | |
688 | if (trace != TmfExperimentContext.NO_TRACE) { | |
689 | event = expContext.getEvents()[trace]; | |
690 | } | |
691 | ||
692 | return event; | |
693 | } | |
694 | ||
695 | /* | |
696 | * (non-Javadoc) | |
697 | * | |
698 | * @see java.lang.Object#toString() | |
699 | */ | |
700 | @Override | |
3b38ea61 | 701 | @SuppressWarnings("nls") |
a79913eb FC |
702 | public String toString() { |
703 | return "[TmfExperiment (" + getName() + ")]"; | |
704 | } | |
8c8bf09f ASL |
705 | |
706 | // ------------------------------------------------------------------------ | |
707 | // Indexing | |
708 | // ------------------------------------------------------------------------ | |
709 | ||
1b70b6dc | 710 | private synchronized void initializeStreamingMonitor() { |
828e5592 PT |
711 | if (fInitialized) { |
712 | return; | |
713 | } | |
714 | fInitialized = true; | |
715 | ||
1b70b6dc PT |
716 | if (getStreamingInterval() == 0) { |
717 | TmfContext context = seekLocation(null); | |
718 | TmfEvent event = getNext(context); | |
719 | if (event == null) { | |
720 | return; | |
721 | } | |
722 | TmfTimeRange timeRange = new TmfTimeRange(event.getTimestamp(), TmfTimestamp.BigCrunch); | |
828e5592 PT |
723 | final TmfExperimentRangeUpdatedSignal signal = new TmfExperimentRangeUpdatedSignal(this, this, timeRange); |
724 | ||
725 | // Broadcast in separate thread to prevent deadlock | |
726 | new Thread() { | |
727 | @Override | |
728 | public void run() { | |
729 | broadcast(signal); | |
730 | } | |
731 | }.start(); | |
1b70b6dc PT |
732 | return; |
733 | } | |
734 | ||
735 | final Thread thread = new Thread("Streaming Monitor for experiment " + getName()) { //$NON-NLS-1$ | |
736 | TmfTimestamp safeTimestamp = null; | |
737 | TmfTimeRange timeRange = null; | |
738 | ||
739 | @Override | |
740 | public void run() { | |
741 | while (!fExecutor.isShutdown()) { | |
742 | if (!isIndexingBusy()) { | |
743 | TmfTimestamp startTimestamp = TmfTimestamp.BigCrunch; | |
744 | TmfTimestamp endTimestamp = TmfTimestamp.BigBang; | |
745 | for (ITmfTrace<T> trace : fTraces) { | |
746 | if (trace.getStartTime().compareTo(startTimestamp) < 0) { | |
747 | startTimestamp = trace.getStartTime(); | |
748 | } | |
749 | if (trace.getStreamingInterval() != 0 && trace.getEndTime().compareTo(endTimestamp) > 0) { | |
750 | endTimestamp = trace.getEndTime(); | |
751 | } | |
752 | } | |
753 | if (safeTimestamp != null && safeTimestamp.compareTo(getTimeRange().getEndTime(), false) > 0) { | |
754 | timeRange = new TmfTimeRange(startTimestamp, safeTimestamp); | |
755 | } else { | |
756 | timeRange = null; | |
757 | } | |
758 | safeTimestamp = endTimestamp; | |
759 | if (timeRange != null) { | |
760 | TmfExperimentRangeUpdatedSignal signal = | |
761 | new TmfExperimentRangeUpdatedSignal(TmfExperiment.this, TmfExperiment.this, timeRange); | |
762 | broadcast(signal); | |
763 | } | |
764 | } | |
765 | try { | |
766 | Thread.sleep(getStreamingInterval()); | |
767 | } catch (InterruptedException e) { | |
768 | e.printStackTrace(); | |
769 | } | |
770 | } | |
771 | } | |
772 | }; | |
773 | thread.start(); | |
774 | } | |
775 | ||
776 | /* (non-Javadoc) | |
777 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#getStreamingInterval() | |
778 | */ | |
779 | @Override | |
780 | public long getStreamingInterval() { | |
781 | long interval = 0; | |
782 | for (ITmfTrace<T> trace : fTraces) { | |
783 | interval = Math.max(interval, trace.getStreamingInterval()); | |
784 | } | |
785 | return interval; | |
786 | } | |
787 | ||
a79913eb | 788 | /* |
12c155f5 FC |
789 | * The experiment holds the globally ordered events of its set of traces. It is expected to provide access to each |
790 | * individual event by index i.e. it must be possible to request the Nth event of the experiment. | |
a79913eb | 791 | * |
12c155f5 FC |
792 | * The purpose of the index is to keep the information needed to rapidly restore the traces contexts at regular |
793 | * intervals (every INDEX_PAGE_SIZE event). | |
a79913eb | 794 | */ |
8c8bf09f | 795 | |
a79913eb FC |
796 | // The index page size |
797 | private static final int DEFAULT_INDEX_PAGE_SIZE = 5000; | |
798 | protected int fIndexPageSize; | |
799 | protected boolean fIndexing = false; | |
800 | protected TmfTimeRange fIndexingPendingRange = TmfTimeRange.Null; | |
e31e01e8 | 801 | |
1b70b6dc PT |
802 | private Integer fEndSynchReference; |
803 | ||
9b635e61 FC |
804 | // private static BufferedWriter fEventLog = null; |
805 | // private static BufferedWriter openLogFile(String filename) { | |
806 | // BufferedWriter outfile = null; | |
807 | // try { | |
808 | // outfile = new BufferedWriter(new FileWriter(filename)); | |
809 | // } catch (IOException e) { | |
810 | // e.printStackTrace(); | |
811 | // } | |
812 | // return outfile; | |
813 | // } | |
814 | ||
a79913eb FC |
815 | protected boolean isIndexingBusy() { |
816 | synchronized (fCheckpoints) { | |
817 | return fIndexing; | |
818 | } | |
819 | } | |
820 | ||
821 | protected void indexExperiment(boolean waitForCompletion) { | |
822 | indexExperiment(waitForCompletion, 0, TmfTimeRange.Eternity); | |
823 | } | |
824 | ||
825 | @SuppressWarnings("unchecked") | |
826 | protected void indexExperiment(boolean waitForCompletion, final int index, final TmfTimeRange timeRange) { | |
827 | ||
828 | synchronized (fCheckpoints) { | |
829 | if (fIndexing) { | |
830 | return; | |
831 | } | |
832 | fIndexing = true; | |
833 | } | |
834 | ||
8a0edc79 FC |
835 | final Job job = new Job("Indexing " + getName() + "...") { //$NON-NLS-1$ //$NON-NLS-2$ |
836 | @Override | |
837 | protected IStatus run(IProgressMonitor monitor) { | |
838 | while (!monitor.isCanceled()) { | |
839 | try { | |
840 | Thread.sleep(100); | |
841 | } catch (InterruptedException e) { | |
842 | return Status.OK_STATUS; | |
843 | } | |
844 | } | |
845 | monitor.done(); | |
846 | return Status.OK_STATUS; | |
847 | } | |
848 | }; | |
849 | job.schedule(); | |
850 | ||
9b635e61 | 851 | // fEventLog = openLogFile("TraceEvent.log"); |
12c155f5 | 852 | // System.out.println(System.currentTimeMillis() + ": Experiment indexing started"); |
550d787e | 853 | |
12c155f5 FC |
854 | ITmfEventRequest<TmfEvent> request = new TmfEventRequest<TmfEvent>(TmfEvent.class, timeRange, index, TmfDataRequest.ALL_DATA, |
855 | fIndexPageSize, ITmfDataRequest.ExecutionType.BACKGROUND) { // PATA FOREGROUND | |
550d787e | 856 | |
12c155f5 | 857 | // long indexingStart = System.nanoTime(); |
a79913eb FC |
858 | |
859 | TmfTimestamp startTime = (fTimeRange == TmfTimeRange.Null) ? null : fTimeRange.getStartTime(); | |
860 | TmfTimestamp lastTime = (fTimeRange == TmfTimeRange.Null) ? null : fTimeRange.getEndTime(); | |
861 | long initialNbEvents = fNbEvents; | |
862 | ||
863 | @Override | |
864 | public void handleStarted() { | |
865 | super.handleStarted(); | |
866 | } | |
867 | ||
868 | @Override | |
869 | public void handleData(TmfEvent event) { | |
870 | super.handleData(event); | |
871 | if (event != null) { | |
872 | TmfTimestamp ts = event.getTimestamp(); | |
873 | if (startTime == null) | |
874 | startTime = new TmfTimestamp(ts); | |
875 | lastTime = new TmfTimestamp(ts); | |
876 | if ((getNbRead() % fIndexPageSize) == 1 && getNbRead() != 1) { | |
877 | updateExperiment(); | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | @Override | |
883 | public void handleSuccess() { | |
12c155f5 | 884 | // long indexingEnd = System.nanoTime(); |
9b635e61 | 885 | |
a79913eb FC |
886 | if (getRange() != TmfTimeRange.Eternity) { |
887 | lastTime = getRange().getEndTime(); | |
888 | } | |
889 | updateExperiment(); | |
12c155f5 | 890 | // System.out.println(System.currentTimeMillis() + ": Experiment indexing completed"); |
f9673903 | 891 | |
12c155f5 FC |
892 | // long average = (indexingEnd - indexingStart) / fNbEvents; |
893 | // System.out.println(getName() + ": start=" + startTime + ", end=" + lastTime + ", elapsed=" | |
894 | // + (indexingEnd * 1.0 - indexingStart) / 1000000000); | |
895 | // System.out.println(getName() + ": nbEvents=" + fNbEvents + " (" + (average / 1000) + "." | |
896 | // + (average % 1000) + " us/evt)"); | |
a79913eb FC |
897 | super.handleSuccess(); |
898 | } | |
e31e01e8 | 899 | |
05bd3318 FC |
900 | @Override |
901 | public void handleCompleted() { | |
902 | job.cancel(); | |
a79913eb FC |
903 | super.handleCompleted(); |
904 | synchronized (fCheckpoints) { | |
905 | fIndexing = false; | |
906 | if (fIndexingPendingRange != TmfTimeRange.Null) { | |
907 | indexExperiment(false, (int) fNbEvents, fIndexingPendingRange); | |
908 | fIndexingPendingRange = TmfTimeRange.Null; | |
909 | } | |
910 | } | |
05bd3318 FC |
911 | } |
912 | ||
a79913eb FC |
913 | private void updateExperiment() { |
914 | int nbRead = getNbRead(); | |
4dc47e28 FC |
915 | if (startTime != null) { |
916 | fTimeRange = new TmfTimeRange(startTime, new TmfTimestamp(lastTime)); | |
917 | } | |
a79913eb | 918 | if (nbRead != 0) { |
0c2a2e08 FC |
919 | // updateTimeRange(); |
920 | // updateNbEvents(); | |
a79913eb FC |
921 | fNbEvents = initialNbEvents + nbRead; |
922 | notifyListeners(); | |
923 | } | |
924 | } | |
925 | }; | |
926 | ||
927 | sendRequest((ITmfDataRequest<T>) request); | |
928 | if (waitForCompletion) | |
929 | try { | |
930 | request.waitForCompletion(); | |
931 | } catch (InterruptedException e) { | |
932 | e.printStackTrace(); | |
933 | } | |
934 | } | |
935 | ||
936 | protected void notifyListeners() { | |
937 | broadcast(new TmfExperimentUpdatedSignal(this, this)); // , null)); | |
1b70b6dc | 938 | //broadcast(new TmfExperimentRangeUpdatedSignal(this, this, fTimeRange)); // , null)); |
a79913eb FC |
939 | } |
940 | ||
8c8bf09f ASL |
941 | // ------------------------------------------------------------------------ |
942 | // Signal handlers | |
943 | // ------------------------------------------------------------------------ | |
944 | ||
945 | @TmfSignalHandler | |
951d134a | 946 | public void experimentSelected(TmfExperimentSelectedSignal<T> signal) { |
a79913eb FC |
947 | TmfExperiment<?> experiment = signal.getExperiment(); |
948 | if (experiment == this) { | |
949 | setCurrentExperiment(experiment); | |
1b70b6dc | 950 | fEndSynchReference = new Integer(signal.getReference()); |
a79913eb | 951 | } |
8c8bf09f ASL |
952 | } |
953 | ||
1b70b6dc PT |
954 | @TmfSignalHandler |
955 | public void endSync(TmfEndSynchSignal signal) { | |
956 | if (fEndSynchReference != null && fEndSynchReference.intValue() == signal.getReference()) { | |
957 | fEndSynchReference = null; | |
958 | initializeStreamingMonitor(); | |
959 | } | |
960 | ||
961 | } | |
962 | ||
8c8bf09f ASL |
963 | @TmfSignalHandler |
964 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { | |
8c8bf09f ASL |
965 | } |
966 | ||
1b70b6dc PT |
967 | @TmfSignalHandler |
968 | public void experimentRangeUpdated(TmfExperimentRangeUpdatedSignal signal) { | |
969 | indexExperiment(false, (int) fNbEvents, signal.getRange()); | |
970 | } | |
971 | ||
8c8bf09f ASL |
972 | @TmfSignalHandler |
973 | public void traceUpdated(TmfTraceUpdatedSignal signal) { | |
12c155f5 | 974 | for (ITmfTrace<T> trace : fTraces) { |
a79913eb FC |
975 | if (trace == signal.getTrace()) { |
976 | synchronized (fCheckpoints) { | |
977 | if (fIndexing) { | |
978 | if (fIndexingPendingRange == TmfTimeRange.Null) { | |
979 | fIndexingPendingRange = signal.getRange(); | |
980 | } else { | |
981 | TmfTimestamp startTime = fIndexingPendingRange.getStartTime(); | |
982 | TmfTimestamp endTime = fIndexingPendingRange.getEndTime(); | |
983 | if (signal.getRange().getStartTime().compareTo(startTime) < 0) { | |
984 | startTime = signal.getRange().getStartTime(); | |
985 | } | |
986 | if (signal.getRange().getEndTime().compareTo(endTime) > 0) { | |
987 | endTime = signal.getRange().getEndTime(); | |
988 | } | |
989 | fIndexingPendingRange = new TmfTimeRange(startTime, endTime); | |
990 | } | |
991 | return; | |
992 | } | |
993 | } | |
994 | indexExperiment(false, (int) fNbEvents, signal.getRange()); | |
995 | return; | |
996 | } | |
997 | } | |
8c8bf09f ASL |
998 | } |
999 | ||
12c155f5 FC |
1000 | @Override |
1001 | public String getPath() { | |
1002 | // TODO Auto-generated method stub | |
1003 | return null; | |
1004 | } | |
1005 | ||
828e5592 PT |
1006 | /** |
1007 | * Set the resource to be used for bookmarks on this experiment | |
1008 | * @param resource the bookmarks resource | |
1009 | */ | |
1010 | public void setResource(IResource resource) { | |
1011 | fResource = resource; | |
1012 | } | |
1013 | ||
1014 | /** | |
1015 | * Get the resource used for bookmarks on this experiment | |
1016 | * @return the bookmarks resource or null if none is set | |
1017 | */ | |
1018 | public IResource getResource() { | |
1019 | return fResource; | |
1020 | } | |
4dc47e28 | 1021 | } |