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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 | ||
13 | package org.eclipse.linuxtools.tmf.experiment; | |
14 | ||
9f584e4c | 15 | import java.util.Collections; |
8c8bf09f ASL |
16 | import java.util.Vector; |
17 | ||
e31e01e8 FC |
18 | import org.eclipse.core.runtime.IProgressMonitor; |
19 | import org.eclipse.core.runtime.IStatus; | |
20 | import org.eclipse.core.runtime.Status; | |
21 | import org.eclipse.core.runtime.jobs.Job; | |
fc6ccf6f | 22 | import org.eclipse.linuxtools.tmf.component.TmfEventProvider; |
8c8bf09f ASL |
23 | import org.eclipse.linuxtools.tmf.event.TmfEvent; |
24 | import org.eclipse.linuxtools.tmf.event.TmfTimeRange; | |
25 | import org.eclipse.linuxtools.tmf.event.TmfTimestamp; | |
9aae0442 ASL |
26 | import org.eclipse.linuxtools.tmf.request.TmfDataRequest; |
27 | import org.eclipse.linuxtools.tmf.request.TmfEventRequest; | |
9f584e4c | 28 | import org.eclipse.linuxtools.tmf.signal.TmfRangeSynchSignal; |
8c8bf09f | 29 | import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler; |
9f584e4c FC |
30 | import org.eclipse.linuxtools.tmf.trace.ITmfContext; |
31 | import org.eclipse.linuxtools.tmf.trace.ITmfLocation; | |
8c8bf09f | 32 | import org.eclipse.linuxtools.tmf.trace.ITmfTrace; |
9f584e4c FC |
33 | import org.eclipse.linuxtools.tmf.trace.TmfCheckpoint; |
34 | import org.eclipse.linuxtools.tmf.trace.TmfContext; | |
e31e01e8 | 35 | import org.eclipse.linuxtools.tmf.trace.TmfTraceUpdatedSignal; |
8c8bf09f ASL |
36 | |
37 | /** | |
38 | * <b><u>TmfExperiment</u></b> | |
39 | * <p> | |
40 | * TmfExperiment presents a time-ordered, unified view of a set of TmfTraces | |
41 | * that are part of a tracing experiment. | |
42 | * <p> | |
43 | */ | |
fc6ccf6f | 44 | public class TmfExperiment<T extends TmfEvent> extends TmfEventProvider<T> implements ITmfTrace { |
8c8bf09f ASL |
45 | |
46 | // ------------------------------------------------------------------------ | |
47 | // Attributes | |
48 | // ------------------------------------------------------------------------ | |
49 | ||
50 | // The currently selected experiment | |
e31e01e8 FC |
51 | private static TmfExperiment<?> fCurrentExperiment; |
52 | ||
53 | // The experiment ID | |
54 | private String fExperimentId; | |
8c8bf09f | 55 | |
9f584e4c FC |
56 | // The set of traces that constitute the experiment |
57 | private ITmfTrace[] fTraces; | |
8c8bf09f ASL |
58 | |
59 | // The total number of events | |
9f584e4c | 60 | private long fNbEvents; |
8c8bf09f ASL |
61 | |
62 | // The experiment time range | |
63 | private TmfTimeRange fTimeRange; | |
64 | ||
65 | // The experiment reference timestamp (default: BigBang) | |
66 | private TmfTimestamp fEpoch; | |
67 | ||
9f584e4c FC |
68 | // The experiment index |
69 | private Vector<TmfCheckpoint> fCheckpoints = new Vector<TmfCheckpoint>(); | |
70 | ||
8c8bf09f ASL |
71 | // ------------------------------------------------------------------------ |
72 | // Constructors | |
73 | // ------------------------------------------------------------------------ | |
74 | ||
75 | /** | |
76 | * @param type | |
77 | * @param id | |
78 | * @param traces | |
79 | * @param epoch | |
80 | * @param indexPageSize | |
81 | */ | |
82 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces, TmfTimestamp epoch, int indexPageSize) { | |
e31e01e8 | 83 | super(type); |
8c8bf09f | 84 | |
e31e01e8 | 85 | fExperimentId = id; |
9f584e4c | 86 | fTraces = traces; |
8c8bf09f ASL |
87 | fEpoch = epoch; |
88 | fIndexPageSize = indexPageSize; | |
89 | ||
90 | updateNbEvents(); | |
91 | updateTimeRange(); | |
e31e01e8 | 92 | } |
8c8bf09f ASL |
93 | |
94 | /** | |
95 | * @param type | |
96 | * @param id | |
97 | * @param traces | |
98 | */ | |
99 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces) { | |
100 | this(type, id, traces, TmfTimestamp.Zero, DEFAULT_INDEX_PAGE_SIZE); | |
101 | } | |
102 | ||
103 | /** | |
104 | * @param type | |
105 | * @param id | |
106 | * @param traces | |
107 | * @param indexPageSize | |
108 | */ | |
109 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces, int indexPageSize) { | |
110 | this(type, id, traces, TmfTimestamp.Zero, indexPageSize); | |
111 | } | |
e31e01e8 | 112 | |
8c8bf09f | 113 | /** |
e31e01e8 | 114 | * |
8c8bf09f ASL |
115 | */ |
116 | @Override | |
e31e01e8 | 117 | public void deregister() { |
9f584e4c FC |
118 | fTraces = null; |
119 | fCheckpoints.clear(); | |
e31e01e8 FC |
120 | fCurrentExperiment= null; |
121 | super.deregister(); | |
8c8bf09f ASL |
122 | } |
123 | ||
9f584e4c FC |
124 | // ------------------------------------------------------------------------ |
125 | // ITmfTrace accessors | |
126 | // ------------------------------------------------------------------------ | |
127 | ||
128 | public String getPath() { | |
129 | return null; | |
130 | } | |
131 | ||
fc6ccf6f | 132 | @Override |
9f584e4c FC |
133 | public String getName() { |
134 | return fExperimentId; | |
135 | } | |
136 | ||
137 | public long getNbEvents() { | |
138 | return fNbEvents; | |
139 | } | |
140 | ||
141 | public TmfTimeRange getTimeRange() { | |
142 | return fTimeRange; | |
143 | } | |
144 | ||
145 | public TmfTimestamp getStartTime() { | |
146 | return fTimeRange.getStartTime(); | |
147 | } | |
148 | ||
149 | public TmfTimestamp getEndTime() { | |
150 | return fTimeRange.getEndTime(); | |
151 | } | |
152 | ||
8c8bf09f | 153 | // ------------------------------------------------------------------------ |
e31e01e8 | 154 | // Accessors |
8c8bf09f ASL |
155 | // ------------------------------------------------------------------------ |
156 | ||
e31e01e8 FC |
157 | public static TmfExperiment<?> getCurrentExperiment() { |
158 | return fCurrentExperiment; | |
8c8bf09f ASL |
159 | } |
160 | ||
8c8bf09f ASL |
161 | public TmfTimestamp getEpoch() { |
162 | return fEpoch; | |
163 | } | |
164 | ||
9f584e4c FC |
165 | public ITmfTrace[] getTraces() { |
166 | return fTraces; | |
8c8bf09f ASL |
167 | } |
168 | ||
169 | /** | |
170 | * Returns the rank of the first event with the requested timestamp. | |
171 | * If none, returns the index of the next event (if any). | |
172 | * | |
85fb0e54 | 173 | * @param timestamp |
8c8bf09f ASL |
174 | * @return |
175 | */ | |
85fb0e54 FC |
176 | public long getRank(TmfTimestamp timestamp) { |
177 | TmfExperimentContext context = seekEvent(timestamp); | |
8c8bf09f ASL |
178 | return context.getRank(); |
179 | } | |
180 | ||
181 | /** | |
182 | * Returns the timestamp of the event at the requested index. | |
183 | * If none, returns null. | |
184 | * | |
185 | * @param index | |
186 | * @return | |
187 | */ | |
188 | public TmfTimestamp getTimestamp(int index) { | |
85fb0e54 FC |
189 | TmfExperimentContext context = seekEvent(index); |
190 | TmfEvent event = parseEvent(context); | |
191 | return (event != null) ? event.getTimestamp() : null; | |
8c8bf09f ASL |
192 | } |
193 | ||
194 | // ------------------------------------------------------------------------ | |
195 | // Operators | |
196 | // ------------------------------------------------------------------------ | |
197 | ||
9f584e4c FC |
198 | // /** |
199 | // * Add a trace to the experiment trace set | |
200 | // * | |
201 | // * @param trace | |
202 | // */ | |
203 | // public void addTrace(ITmfTrace trace) { | |
204 | // fTraces.add(trace); | |
205 | // synchronized(this) { | |
206 | // updateNbEvents(); | |
207 | // updateTimeRange(); | |
208 | // } | |
209 | // } | |
e31e01e8 | 210 | |
8c8bf09f ASL |
211 | /** |
212 | * Update the total number of events | |
213 | */ | |
214 | private void updateNbEvents() { | |
215 | int nbEvents = 0; | |
216 | for (ITmfTrace trace : fTraces) { | |
217 | nbEvents += trace.getNbEvents(); | |
218 | } | |
219 | fNbEvents = nbEvents; | |
220 | } | |
221 | ||
222 | /** | |
223 | * Update the global time range | |
224 | */ | |
225 | private void updateTimeRange() { | |
226 | TmfTimestamp startTime = fTimeRange != null ? fTimeRange.getStartTime() : TmfTimestamp.BigCrunch; | |
227 | TmfTimestamp endTime = fTimeRange != null ? fTimeRange.getEndTime() : TmfTimestamp.BigBang; | |
228 | ||
229 | for (ITmfTrace trace : fTraces) { | |
e31e01e8 FC |
230 | TmfTimestamp traceStartTime = trace.getStartTime(); |
231 | if (traceStartTime.compareTo(startTime, true) < 0) | |
232 | startTime = traceStartTime; | |
233 | ||
234 | TmfTimestamp traceEndTime = trace.getEndTime(); | |
235 | if (traceEndTime.compareTo(endTime, true) > 0) | |
236 | endTime = traceEndTime; | |
8c8bf09f ASL |
237 | } |
238 | fTimeRange = new TmfTimeRange(startTime, endTime); | |
239 | } | |
240 | ||
241 | // ------------------------------------------------------------------------ | |
242 | // TmfProvider | |
243 | // ------------------------------------------------------------------------ | |
244 | ||
245 | @Override | |
fc6ccf6f | 246 | public ITmfContext armRequest(TmfDataRequest<T> request) { |
9f584e4c FC |
247 | TmfTimestamp timestamp = (request instanceof TmfEventRequest<?>) ? |
248 | ((TmfEventRequest<T>) request).getRange().getStartTime() : null; | |
249 | ||
250 | TmfExperimentContext context = (timestamp != null) ? | |
251 | seekEvent(timestamp) : seekEvent(request.getIndex()); | |
252 | ||
8c8bf09f ASL |
253 | return context; |
254 | } | |
255 | ||
256 | @SuppressWarnings("unchecked") | |
257 | @Override | |
258 | public T getNext(ITmfContext context) { | |
259 | if (context instanceof TmfExperimentContext) { | |
260 | return (T) getNextEvent((TmfExperimentContext) context); | |
261 | } | |
262 | return null; | |
263 | } | |
264 | ||
9f584e4c FC |
265 | // ------------------------------------------------------------------------ |
266 | // ITmfTrace trace positioning | |
267 | // ------------------------------------------------------------------------ | |
268 | ||
269 | // Returns a brand new context based on the location provided | |
270 | // Arms the event queues | |
271 | // NOTE: This is a fine example of pathological coupling... | |
452ad365 | 272 | public TmfExperimentContext seekLocation(ITmfLocation<?> location) { |
9f584e4c | 273 | if (location instanceof TmfExperimentLocation || location == null) { |
85fb0e54 | 274 | ITmfLocation<?>[] prvloc = (location != null) ? ((TmfExperimentLocation) location).getLocation() : new TmfExperimentLocation[fTraces.length]; |
452ad365 | 275 | ITmfLocation<?>[] newloc = new ITmfLocation[fTraces.length]; |
9f584e4c FC |
276 | TmfContext[] contexts = new TmfContext[fTraces.length]; |
277 | ||
278 | TmfExperimentContext context = new TmfExperimentContext(fTraces, contexts); | |
279 | TmfEvent[] events = context.getEvents(); | |
280 | ||
281 | long rank = 0; | |
282 | for (int i = 0; i < fTraces.length; i++) { | |
85fb0e54 | 283 | contexts[i] = fTraces[i].seekLocation(prvloc[i]); |
9f584e4c FC |
284 | newloc[i] = contexts[i].getLocation(); // No clone here |
285 | events[i] = fTraces[i].parseEvent(contexts[i]); | |
286 | rank += contexts[i].getRank(); | |
287 | } | |
288 | context.setLocation(new TmfExperimentLocation(newloc)); | |
289 | context.setRank(rank); | |
290 | return context; | |
291 | } | |
292 | return null; | |
293 | } | |
294 | ||
295 | public TmfExperimentContext seekEvent(TmfTimestamp timestamp) { | |
8c8bf09f | 296 | |
9f584e4c FC |
297 | if (timestamp == null) { |
298 | timestamp = TmfTimestamp.BigBang; | |
299 | } | |
300 | ||
301 | // First, find the right checkpoint | |
302 | int index = Collections.binarySearch(fCheckpoints, new TmfCheckpoint(timestamp, null)); | |
303 | ||
304 | // In the very likely case that the checkpoint was not found, bsearch | |
305 | // returns its negated would-be location (not an offset...). From that | |
306 | // index, we can then position the stream and get the event. | |
307 | if (index < 0) { | |
308 | index = Math.max(0, -(index + 2)); | |
309 | } | |
310 | ||
311 | // Position the experiment at the checkpoint | |
452ad365 | 312 | ITmfLocation<?> location; |
9f584e4c FC |
313 | synchronized (fCheckpoints) { |
314 | if (fCheckpoints.size() > 0) { | |
315 | if (index >= fCheckpoints.size()) { | |
316 | index = fCheckpoints.size() - 1; | |
317 | } | |
318 | location = fCheckpoints.elementAt(index).getLocation(); | |
319 | } | |
320 | else { | |
321 | location = null; | |
322 | } | |
323 | } | |
324 | ||
85fb0e54 FC |
325 | TmfExperimentContext context = seekLocation(location); |
326 | context.setRank(index * fIndexPageSize); | |
9f584e4c FC |
327 | |
328 | // And get the event | |
85fb0e54 | 329 | TmfEvent event = parseEvent(context); |
9f584e4c | 330 | while (event != null && event.getTimestamp().compareTo(timestamp, false) < 0) { |
85fb0e54 FC |
331 | getNextEvent(context); |
332 | event = parseEvent(context); | |
9f584e4c FC |
333 | } |
334 | ||
85fb0e54 | 335 | return context; |
9f584e4c | 336 | } |
8c8bf09f | 337 | |
9f584e4c FC |
338 | public TmfExperimentContext seekEvent(long rank) { |
339 | ||
340 | TmfExperimentContext context; | |
e31e01e8 FC |
341 | int page = 0; // The checkpoint page |
342 | int current = 0; // The current event index (rank) | |
9f584e4c | 343 | |
e31e01e8 | 344 | // If there is no checkpoint created yet, start from the beginning |
9f584e4c FC |
345 | if (fCheckpoints.size() == 0) { |
346 | context = seekLocation(null); | |
e31e01e8 FC |
347 | } |
348 | else { | |
9f584e4c FC |
349 | page = (int) rank / fIndexPageSize; |
350 | if (page >= fCheckpoints.size()) { | |
351 | page = fCheckpoints.size() - 1; | |
e31e01e8 | 352 | } |
9f584e4c | 353 | context = seekLocation(fCheckpoints.elementAt(page).getLocation()); |
e31e01e8 FC |
354 | current = page * fIndexPageSize; |
355 | } | |
356 | ||
357 | // Position the traces at the requested index | |
9f584e4c | 358 | while (current++ < rank) { |
e31e01e8 FC |
359 | getNextEvent(context); |
360 | } | |
9f584e4c FC |
361 | |
362 | return context; | |
8c8bf09f ASL |
363 | } |
364 | ||
365 | /** | |
366 | * Scan the next events from all traces and return the next one | |
367 | * in chronological order. | |
368 | * | |
369 | * @param context | |
370 | * @return | |
371 | */ | |
9f584e4c FC |
372 | public synchronized TmfEvent getNextEvent(TmfContext context) { |
373 | if (context instanceof TmfExperimentContext) { | |
374 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
85fb0e54 | 375 | int trace = -1; |
9f584e4c | 376 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; |
85fb0e54 FC |
377 | for (int i = 0; i < expContext.getTraces().length; i++) { |
378 | if (expContext.getEvents()[i] != null) { | |
379 | if (expContext.getEvents()[i].getTimestamp() != null) { | |
380 | TmfTimestamp otherTS = expContext.getEvents()[i].getTimestamp(); | |
381 | if (otherTS.compareTo(timestamp, true) < 0) { | |
382 | trace = i; | |
383 | timestamp = otherTS; | |
384 | } | |
9f584e4c | 385 | } |
8c8bf09f ASL |
386 | } |
387 | } | |
85fb0e54 FC |
388 | |
389 | if (trace >= 0) { | |
390 | TmfContext trcloc = expContext.getContexts()[trace]; | |
391 | TmfEvent event = expContext.getTraces()[trace].getNextEvent(trcloc); | |
392 | TmfExperimentLocation exploc = (TmfExperimentLocation) expContext.getLocation(); | |
393 | exploc.getLocation()[trace] = trcloc.getLocation().clone(); | |
394 | expContext.getEvents()[trace] = expContext.getTraces()[trace].parseEvent(trcloc); | |
395 | expContext.updateRank(1); | |
396 | return event; | |
397 | } | |
8c8bf09f | 398 | } |
9f584e4c | 399 | return null; |
8c8bf09f ASL |
400 | } |
401 | ||
9f584e4c | 402 | public TmfEvent parseEvent(TmfContext context) { |
85fb0e54 FC |
403 | if (context instanceof TmfExperimentContext) { |
404 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
405 | int trace = -1; | |
406 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; | |
407 | for (int i = 0; i < expContext.getTraces().length; i++) { | |
408 | if (expContext.getEvents()[i] != null) { | |
409 | if (expContext.getEvents()[i].getTimestamp() != null) { | |
410 | TmfTimestamp otherTS = expContext.getEvents()[i].getTimestamp(); | |
411 | if (otherTS.compareTo(timestamp, true) < 0) { | |
412 | trace = i; | |
413 | timestamp = otherTS; | |
414 | } | |
415 | } | |
416 | } | |
417 | } | |
418 | if (trace >= 0) { | |
419 | TmfContext trcloc = expContext.getContexts()[trace]; | |
420 | expContext.getEvents()[trace] = expContext.getTraces()[trace].parseEvent(trcloc); | |
421 | return expContext.getEvents()[trace]; | |
422 | } | |
423 | } | |
424 | return null; | |
8c8bf09f ASL |
425 | } |
426 | ||
427 | /* (non-Javadoc) | |
428 | * @see java.lang.Object#toString() | |
429 | */ | |
430 | @Override | |
431 | public String toString() { | |
e31e01e8 | 432 | return "[TmfExperiment (" + fExperimentId + ")]"; |
8c8bf09f ASL |
433 | } |
434 | ||
435 | // ------------------------------------------------------------------------ | |
436 | // Indexing | |
437 | // ------------------------------------------------------------------------ | |
438 | ||
439 | /* | |
440 | * The experiment holds the globally ordered events of its set of traces. | |
441 | * It is expected to provide access to each individual event by index i.e. | |
9f584e4c | 442 | * it must be possible to request the Nth event of the experiment. |
8c8bf09f ASL |
443 | * |
444 | * The purpose of the index is to keep the information needed to rapidly | |
445 | * restore the traces contexts at regular intervals (every INDEX_PAGE_SIZE | |
446 | * event). | |
447 | */ | |
448 | ||
449 | // The index page size | |
450 | private static final int DEFAULT_INDEX_PAGE_SIZE = 1000; | |
e31e01e8 | 451 | private final int fIndexPageSize; |
8c8bf09f | 452 | |
e31e01e8 FC |
453 | // Indicates that an indexing job is already running |
454 | private Boolean fIndexing = false; | |
455 | private Boolean fIndexed = false; | |
8c8bf09f | 456 | |
e31e01e8 FC |
457 | // The indexing job |
458 | private IndexingJob job; | |
459 | ||
460 | /** | |
461 | * indexExperiment | |
462 | * | |
463 | * Creates the experiment index. | |
464 | */ | |
465 | public void indexExperiment(boolean waitForCompletion) { | |
466 | ||
467 | synchronized(fIndexing) { | |
468 | if (fIndexed || fIndexing) { | |
469 | // An indexing job is already running but a new request came | |
470 | // in (probably due to a change in the trace set). The index | |
471 | // being currently built is therefore already invalid. | |
472 | // TODO: Cancel and restart the job | |
473 | // TODO: Add support for dynamically adding/removing traces | |
474 | return; | |
9aae0442 | 475 | } |
e31e01e8 FC |
476 | fIndexing = true; |
477 | } | |
8c8bf09f | 478 | |
e31e01e8 FC |
479 | job = new IndexingJob(fExperimentId); |
480 | job.schedule(); | |
481 | ||
482 | if (waitForCompletion) { | |
483 | try { | |
484 | job.join(); | |
485 | } catch (InterruptedException e) { | |
486 | e.printStackTrace(); | |
487 | } | |
488 | } | |
8c8bf09f | 489 | } |
e31e01e8 FC |
490 | |
491 | private class IndexingJob extends Job { | |
492 | ||
493 | public IndexingJob(String name) { | |
494 | super(name); | |
495 | } | |
496 | ||
497 | /* (non-Javadoc) | |
498 | * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor) | |
499 | */ | |
500 | @Override | |
501 | protected IStatus run(IProgressMonitor monitor) { | |
502 | ||
503 | // Minimal check | |
9f584e4c | 504 | if (fTraces.length == 0) { |
e31e01e8 FC |
505 | fIndexing = false; |
506 | return Status.OK_STATUS; | |
507 | } | |
508 | ||
509 | monitor.beginTask("Indexing " + fExperimentId, IProgressMonitor.UNKNOWN); | |
510 | ||
511 | int nbEvents = 0; | |
512 | TmfTimestamp startTime = null; | |
513 | TmfTimestamp lastTime = null; | |
514 | ||
9f584e4c FC |
515 | // Reset the index |
516 | fCheckpoints = new Vector<TmfCheckpoint>(); | |
e31e01e8 FC |
517 | |
518 | try { | |
9f584e4c FC |
519 | // Position the trace at the beginning |
520 | TmfExperimentContext context = seekLocation(null); | |
521 | TmfExperimentLocation location = (TmfExperimentLocation) context.getLocation(); | |
522 | ||
523 | // Get the first event | |
85fb0e54 | 524 | TmfEvent event = parseEvent(context); |
9f584e4c FC |
525 | if (event != null) { |
526 | startTime = new TmfTimestamp(event.getTimestamp()); | |
527 | } | |
528 | ||
529 | // Index the experiment | |
530 | while (event != null) { | |
531 | lastTime = event.getTimestamp(); | |
e31e01e8 | 532 | if ((nbEvents++ % fIndexPageSize) == 0) { |
9f584e4c | 533 | fCheckpoints.add(new TmfCheckpoint(lastTime, location.clone())); |
e31e01e8 FC |
534 | fNbEvents = nbEvents; |
535 | fTimeRange = new TmfTimeRange(startTime, lastTime); | |
9f584e4c | 536 | notifyListeners(new TmfTimeRange(startTime, lastTime)); |
e31e01e8 FC |
537 | |
538 | monitor.worked(1); | |
539 | ||
540 | // Check monitor *after* fCheckpoints has been updated | |
541 | if (monitor.isCanceled()) { | |
542 | monitor.done(); | |
543 | return Status.CANCEL_STATUS; | |
544 | } | |
545 | } | |
546 | ||
547 | // We will need the contexts at the next iteration | |
548 | if ((nbEvents % fIndexPageSize) == 0) { | |
9f584e4c | 549 | location = (TmfExperimentLocation) context.getLocation(); |
e31e01e8 FC |
550 | } |
551 | ||
85fb0e54 FC |
552 | getNextEvent(context); |
553 | event = parseEvent(context); | |
e31e01e8 FC |
554 | } |
555 | ||
556 | } | |
557 | finally { | |
558 | synchronized(this) { | |
559 | fNbEvents = nbEvents; | |
560 | fTimeRange = new TmfTimeRange(startTime, lastTime); | |
561 | fIndexing = false; | |
562 | fIndexed = true; | |
563 | } | |
564 | monitor.done(); | |
565 | } | |
566 | ||
9f584e4c | 567 | // dumpCheckpoints(); |
e31e01e8 FC |
568 | |
569 | return Status.OK_STATUS; | |
570 | } | |
571 | } | |
572 | ||
9f584e4c FC |
573 | protected void notifyListeners(TmfTimeRange range) { |
574 | broadcast(new TmfRangeSynchSignal(this, range, null)); | |
575 | } | |
576 | ||
85fb0e54 FC |
577 | // // ======================================================================== |
578 | // // Toubleshooting code | |
579 | // // ======================================================================== | |
580 | // | |
9f584e4c | 581 | // private void dumpCheckpoints() { |
e31e01e8 FC |
582 | // System.out.println("-----"); |
583 | // System.out.println("Checkpoints of " + fExperimentId); | |
9f584e4c | 584 | // for (int i = 0; i < fCheckpoints.size(); i++) { |
e31e01e8 | 585 | // System.out.println("Entry:" + i); |
9f584e4c | 586 | // TmfCheckpoint checkpoint = fCheckpoints.get(i); |
85fb0e54 | 587 | //// long rank = 0; |
9f584e4c FC |
588 | // for (int j = 0; j < fTraces.length; j++) { |
589 | // ITmfTrace trace = fTraces[j]; | |
590 | // TmfExperimentContext context = seekLocation(checkpoint.getLocation()); | |
591 | // TmfContext[] traces = context.getContexts(); | |
85fb0e54 | 592 | //// rank += context.getRank(); |
9f584e4c | 593 | // TmfEvent event = fTraces[j].getNextEvent(new TmfContext(traces[j])); |
e31e01e8 FC |
594 | // System.out.println(" [" + trace.getName() + "] rank: " + context.getRank() + ", timestamp: " + event.getTimestamp()); |
595 | // assert (checkpoint.getTimestamp().compareTo(event.getTimestamp(), false) == 0); | |
596 | // } | |
85fb0e54 | 597 | //// System.out.println("Sum of ranks: " + rank + " (expected: " + i * fIndexPageSize + ")"); |
e31e01e8 FC |
598 | // } |
599 | // } | |
600 | ||
8c8bf09f ASL |
601 | // ------------------------------------------------------------------------ |
602 | // Signal handlers | |
603 | // ------------------------------------------------------------------------ | |
604 | ||
605 | @TmfSignalHandler | |
951d134a | 606 | public void experimentSelected(TmfExperimentSelectedSignal<T> signal) { |
e31e01e8 FC |
607 | fCurrentExperiment = signal.getExperiment(); |
608 | // if (signal.getExperiment() == this) { | |
609 | // indexExperiment(true); | |
610 | // } | |
8c8bf09f ASL |
611 | } |
612 | ||
613 | @TmfSignalHandler | |
614 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { | |
e31e01e8 | 615 | // indexExperiment(true); |
8c8bf09f ASL |
616 | } |
617 | ||
618 | @TmfSignalHandler | |
619 | public void traceUpdated(TmfTraceUpdatedSignal signal) { | |
620 | // TODO: Incremental index update | |
621 | synchronized(this) { | |
622 | updateNbEvents(); | |
623 | updateTimeRange(); | |
624 | } | |
625 | broadcast(new TmfExperimentUpdatedSignal(this, this, signal.getTrace())); | |
626 | } | |
627 | ||
628 | } |