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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 | ||
15 | import java.util.Collections; | |
16 | import java.util.Vector; | |
17 | ||
8c8bf09f ASL |
18 | import org.eclipse.linuxtools.tmf.component.TmfEventProvider; |
19 | import org.eclipse.linuxtools.tmf.event.TmfEvent; | |
20 | import org.eclipse.linuxtools.tmf.event.TmfTimeRange; | |
21 | import org.eclipse.linuxtools.tmf.event.TmfTimestamp; | |
22 | import org.eclipse.linuxtools.tmf.request.ITmfDataRequest; | |
23 | import org.eclipse.linuxtools.tmf.request.ITmfEventRequest; | |
9aae0442 ASL |
24 | import org.eclipse.linuxtools.tmf.request.TmfDataRequest; |
25 | import org.eclipse.linuxtools.tmf.request.TmfEventRequest; | |
8c8bf09f ASL |
26 | import org.eclipse.linuxtools.tmf.signal.TmfExperimentSelectedSignal; |
27 | import org.eclipse.linuxtools.tmf.signal.TmfExperimentUpdatedSignal; | |
8c8bf09f | 28 | import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler; |
9aae0442 | 29 | import org.eclipse.linuxtools.tmf.signal.TmfSignalManager; |
8c8bf09f ASL |
30 | import org.eclipse.linuxtools.tmf.signal.TmfTraceUpdatedSignal; |
31 | import org.eclipse.linuxtools.tmf.trace.ITmfContext; | |
32 | import org.eclipse.linuxtools.tmf.trace.ITmfLocation; | |
33 | import org.eclipse.linuxtools.tmf.trace.ITmfTrace; | |
34 | import org.eclipse.linuxtools.tmf.trace.TmfCheckpoint; | |
35 | import org.eclipse.linuxtools.tmf.trace.TmfContext; | |
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 | */ | |
44 | public class TmfExperiment<T extends TmfEvent> extends TmfEventProvider<T> implements ITmfTrace { | |
45 | ||
46 | // ------------------------------------------------------------------------ | |
47 | // Attributes | |
48 | // ------------------------------------------------------------------------ | |
49 | ||
50 | // The currently selected experiment | |
51 | private static TmfExperiment<?> fCurrentExperiment = null; | |
52 | ||
9aae0442 | 53 | // The set of traces that constitute the experiment |
8c8bf09f ASL |
54 | private ITmfTrace[] fTraces; |
55 | ||
56 | // The total number of events | |
57 | private long fNbEvents; | |
58 | ||
59 | // The experiment time range | |
60 | private TmfTimeRange fTimeRange; | |
61 | ||
62 | // The experiment reference timestamp (default: BigBang) | |
63 | private TmfTimestamp fEpoch; | |
64 | ||
65 | // The experiment index | |
66 | private Vector<TmfCheckpoint> fCheckpoints = new Vector<TmfCheckpoint>(); | |
67 | ||
68 | // ------------------------------------------------------------------------ | |
69 | // Constructors | |
70 | // ------------------------------------------------------------------------ | |
71 | ||
72 | /** | |
73 | * @param type | |
74 | * @param id | |
75 | * @param traces | |
76 | * @param epoch | |
77 | * @param indexPageSize | |
78 | */ | |
79 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces, TmfTimestamp epoch, int indexPageSize) { | |
80 | super(id, type); | |
81 | ||
82 | fTraces = traces; | |
83 | fEpoch = epoch; | |
84 | fIndexPageSize = indexPageSize; | |
9aae0442 | 85 | fClone = createTraceCopy(); |
8c8bf09f ASL |
86 | |
87 | updateNbEvents(); | |
88 | updateTimeRange(); | |
9aae0442 | 89 | } |
8c8bf09f ASL |
90 | |
91 | /** | |
92 | * @param type | |
93 | * @param id | |
94 | * @param traces | |
95 | */ | |
96 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces) { | |
97 | this(type, id, traces, TmfTimestamp.Zero, DEFAULT_INDEX_PAGE_SIZE); | |
98 | } | |
99 | ||
100 | /** | |
101 | * @param type | |
102 | * @param id | |
103 | * @param traces | |
104 | * @param indexPageSize | |
105 | */ | |
106 | public TmfExperiment(Class<T> type, String id, ITmfTrace[] traces, int indexPageSize) { | |
107 | this(type, id, traces, TmfTimestamp.Zero, indexPageSize); | |
108 | } | |
109 | ||
8c8bf09f | 110 | public TmfExperiment(TmfExperiment<T> other) { |
9aae0442 | 111 | super(other.getName() + "(clone)", other.fType); |
8c8bf09f ASL |
112 | |
113 | fEpoch = other.fEpoch; | |
114 | fIndexPageSize = other.fIndexPageSize; | |
115 | ||
116 | fTraces = new ITmfTrace[other.fTraces.length]; | |
117 | for (int trace = 0; trace < other.fTraces.length; trace++) { | |
118 | fTraces[trace] = other.fTraces[trace].createTraceCopy(); | |
119 | } | |
120 | ||
121 | fNbEvents = other.fNbEvents; | |
122 | fTimeRange = other.fTimeRange; | |
9aae0442 | 123 | fClone = null; |
8c8bf09f ASL |
124 | } |
125 | ||
126 | public TmfExperiment<T> createTraceCopy() { | |
9aae0442 ASL |
127 | TmfExperiment<T> experiment = new TmfExperiment<T>(this); |
128 | TmfSignalManager.deregister(experiment); | |
129 | return experiment; | |
8c8bf09f ASL |
130 | } |
131 | ||
132 | /** | |
133 | * Clears the experiment | |
134 | */ | |
135 | @Override | |
136 | public void dispose() { | |
9aae0442 ASL |
137 | for (ITmfTrace trace : fTraces) { |
138 | trace.dispose(); | |
139 | } | |
140 | fTraces = null; | |
8c8bf09f ASL |
141 | fCheckpoints.clear(); |
142 | super.dispose(); | |
143 | } | |
144 | ||
145 | private static void setCurrentExperiment(TmfExperiment<?> experiment) { | |
146 | fCurrentExperiment = experiment; | |
147 | } | |
148 | ||
149 | // ------------------------------------------------------------------------ | |
150 | // ITmfTrace | |
151 | // ------------------------------------------------------------------------ | |
152 | ||
153 | public String getPath() { | |
154 | return null; | |
155 | } | |
156 | ||
157 | public long getNbEvents() { | |
158 | return fNbEvents; | |
159 | } | |
160 | ||
161 | public int getCacheSize() { | |
162 | return fIndexPageSize; | |
163 | } | |
164 | ||
165 | public TmfTimeRange getTimeRange() { | |
166 | return fTimeRange; | |
167 | } | |
168 | ||
169 | public TmfTimestamp getStartTime() { | |
170 | return fTimeRange.getStartTime(); | |
171 | } | |
172 | ||
173 | public TmfTimestamp getEndTime() { | |
174 | return fTimeRange.getEndTime(); | |
175 | } | |
176 | ||
177 | public Vector<TmfCheckpoint> getCheckpoints() { | |
178 | return fCheckpoints; | |
179 | } | |
180 | ||
181 | // ------------------------------------------------------------------------ | |
182 | // Accessors | |
183 | // ------------------------------------------------------------------------ | |
184 | ||
185 | public static TmfExperiment<?> getCurrentExperiment() { | |
186 | return fCurrentExperiment; | |
187 | } | |
188 | ||
189 | public TmfTimestamp getEpoch() { | |
190 | return fEpoch; | |
191 | } | |
192 | ||
193 | public ITmfTrace[] getTraces() { | |
194 | return fTraces; | |
195 | } | |
196 | ||
197 | /** | |
198 | * Returns the rank of the first event with the requested timestamp. | |
199 | * If none, returns the index of the next event (if any). | |
200 | * | |
201 | * @param timestamp | |
202 | * @return | |
203 | */ | |
204 | public long getRank(TmfTimestamp timestamp) { | |
205 | TmfExperimentContext context = seekEvent(timestamp); | |
206 | return context.getRank(); | |
207 | } | |
208 | ||
209 | /** | |
210 | * Returns the timestamp of the event at the requested index. | |
211 | * If none, returns null. | |
212 | * | |
213 | * @param index | |
214 | * @return | |
215 | */ | |
216 | public TmfTimestamp getTimestamp(int index) { | |
217 | TmfExperimentContext context = seekEvent(index); | |
218 | TmfEvent event = getNextEvent(context); | |
219 | return (event != null) ? event.getTimestamp() : null; | |
220 | } | |
221 | ||
222 | // ------------------------------------------------------------------------ | |
223 | // Operators | |
224 | // ------------------------------------------------------------------------ | |
225 | ||
226 | /** | |
227 | * Update the total number of events | |
228 | */ | |
229 | private void updateNbEvents() { | |
230 | int nbEvents = 0; | |
231 | for (ITmfTrace trace : fTraces) { | |
232 | nbEvents += trace.getNbEvents(); | |
233 | } | |
234 | fNbEvents = nbEvents; | |
235 | } | |
236 | ||
237 | /** | |
238 | * Update the global time range | |
239 | */ | |
240 | private void updateTimeRange() { | |
241 | TmfTimestamp startTime = fTimeRange != null ? fTimeRange.getStartTime() : TmfTimestamp.BigCrunch; | |
242 | TmfTimestamp endTime = fTimeRange != null ? fTimeRange.getEndTime() : TmfTimestamp.BigBang; | |
243 | ||
244 | for (ITmfTrace trace : fTraces) { | |
245 | if (trace.getNbEvents() > 0) { | |
246 | TmfTimestamp traceStartTime = trace.getStartTime(); | |
247 | if (traceStartTime.compareTo(startTime, true) < 0) | |
248 | startTime = traceStartTime; | |
249 | ||
250 | TmfTimestamp traceEndTime = trace.getEndTime(); | |
251 | if (traceEndTime.compareTo(endTime, true) > 0) | |
252 | endTime = traceEndTime; | |
253 | } | |
254 | } | |
255 | fTimeRange = new TmfTimeRange(startTime, endTime); | |
256 | } | |
257 | ||
258 | // ------------------------------------------------------------------------ | |
259 | // TmfProvider | |
260 | // ------------------------------------------------------------------------ | |
261 | ||
262 | @Override | |
263 | public ITmfContext armRequest(ITmfDataRequest<T> request) { | |
264 | TmfTimestamp timestamp = (request instanceof ITmfEventRequest<?>) ? | |
265 | ((ITmfEventRequest<T>) request).getRange().getStartTime() : null; | |
266 | TmfExperimentContext context = (timestamp != null) ? | |
267 | seekEvent(timestamp) : seekEvent(request.getIndex()); | |
268 | return context; | |
269 | } | |
270 | ||
271 | @SuppressWarnings("unchecked") | |
272 | @Override | |
273 | public T getNext(ITmfContext context) { | |
274 | if (context instanceof TmfExperimentContext) { | |
275 | return (T) getNextEvent((TmfExperimentContext) context); | |
276 | } | |
277 | return null; | |
278 | } | |
279 | ||
9aae0442 | 280 | // ------------------------------------------------------------------------ |
8c8bf09f ASL |
281 | // ITmfTrace trace positioning |
282 | // ------------------------------------------------------------------------ | |
283 | ||
284 | // Returns a brand new context based on the location provided | |
285 | // and initializes the event queues | |
286 | public TmfExperimentContext seekLocation(ITmfLocation<?> location) { | |
287 | ||
288 | // Validate the location | |
289 | if (location != null && !(location instanceof TmfExperimentLocation)) { | |
290 | return null; // Throw an exception? | |
291 | } | |
292 | ||
293 | // Instantiate the location | |
294 | TmfExperimentLocation expLocation = (location == null) | |
295 | ? new TmfExperimentLocation(new ITmfLocation<?>[fTraces.length], new long[fTraces.length]) | |
296 | : (TmfExperimentLocation) location.clone(); | |
297 | ||
298 | // Create and populate the context's traces contexts | |
299 | TmfExperimentContext context = new TmfExperimentContext(fTraces, new TmfContext[fTraces.length]); | |
300 | long rank = 0; | |
301 | for (int i = 0; i < fTraces.length; i++) { | |
302 | // Get the relevant trace attributes | |
303 | ITmfLocation<?> traceLocation = expLocation.getLocation()[i]; | |
304 | long traceRank = expLocation.getRanks()[i]; | |
305 | ||
306 | // Set the corresponding sub-context | |
307 | context.getContexts()[i] = fTraces[i].seekLocation(traceLocation); | |
308 | context.getContexts()[i].setRank(traceRank); | |
309 | rank += traceRank; | |
310 | ||
311 | // Set the trace location and read the corresponding event | |
312 | expLocation.getLocation()[i] = context.getContexts()[i].getLocation(); | |
313 | context.getEvents()[i] = fTraces[i].getNextEvent(context.getContexts()[i]); | |
314 | } | |
315 | ||
316 | // Finalize context | |
317 | context.setLocation(expLocation); | |
318 | context.setRank(rank); | |
319 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
320 | return context; | |
321 | } | |
322 | ||
323 | /* (non-Javadoc) | |
324 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools.tmf.event.TmfTimestamp) | |
325 | */ | |
326 | public TmfExperimentContext seekEvent(TmfTimestamp timestamp) { | |
327 | ||
328 | if (timestamp == null) { | |
329 | timestamp = TmfTimestamp.BigBang; | |
330 | } | |
331 | ||
332 | // First, find the right checkpoint | |
333 | int index = Collections.binarySearch(fCheckpoints, new TmfCheckpoint(timestamp, null)); | |
334 | ||
335 | // In the very likely case that the checkpoint was not found, bsearch | |
336 | // returns its negated would-be location (not an offset...). From that | |
337 | // index, we can then position the stream and get the event. | |
338 | if (index < 0) { | |
339 | index = Math.max(0, -(index + 2)); | |
340 | } | |
341 | ||
342 | // Position the experiment at the checkpoint | |
343 | ITmfLocation<?> location; | |
344 | synchronized (fCheckpoints) { | |
345 | if (fCheckpoints.size() > 0) { | |
346 | if (index >= fCheckpoints.size()) { | |
347 | index = fCheckpoints.size() - 1; | |
348 | } | |
349 | location = fCheckpoints.elementAt(index).getLocation(); | |
350 | } | |
351 | else { | |
352 | location = null; | |
353 | } | |
354 | } | |
355 | ||
356 | TmfExperimentContext context = seekLocation(location); | |
357 | context.setRank((long) index * fIndexPageSize); | |
358 | ||
359 | // And locate the event | |
360 | TmfExperimentContext nextEventContext = new TmfExperimentContext(context); | |
361 | TmfEvent event = getNextEvent(nextEventContext); | |
362 | while (event != null && event.getTimestamp().compareTo(timestamp, false) < 0) { | |
363 | context = new TmfExperimentContext(nextEventContext); | |
364 | event = getNextEvent(nextEventContext); | |
365 | } | |
366 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
367 | ||
368 | return context; | |
369 | } | |
370 | ||
371 | /* (non-Javadoc) | |
372 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#seekEvent(long) | |
373 | */ | |
374 | public TmfExperimentContext seekEvent(long rank) { | |
375 | ||
376 | // Position the stream at the previous checkpoint | |
377 | int index = (int) rank / fIndexPageSize; | |
378 | ITmfLocation<?> location; | |
379 | synchronized (fCheckpoints) { | |
380 | if (fCheckpoints.size() == 0) { | |
381 | location = null; | |
382 | } | |
383 | else { | |
384 | if (index >= fCheckpoints.size()) { | |
385 | index = fCheckpoints.size() - 1; | |
386 | } | |
387 | location = fCheckpoints.elementAt(index).getLocation(); | |
388 | } | |
389 | } | |
390 | ||
391 | TmfExperimentContext context = seekLocation(location); | |
392 | long pos = (long) index * fIndexPageSize; | |
393 | context.setRank(pos); | |
394 | ||
395 | // And locate the event | |
396 | TmfExperimentContext nextEventContext = new TmfExperimentContext(context); | |
397 | TmfEvent event = getNextEvent(nextEventContext); | |
398 | while (event != null && pos++ < rank) { | |
399 | event = getNextEvent(nextEventContext); | |
400 | context = new TmfExperimentContext(nextEventContext); | |
401 | if (event != null) context.updateRank(-1); | |
402 | } | |
403 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
404 | ||
405 | return context; | |
406 | } | |
407 | ||
408 | /** | |
409 | * Scan the next events from all traces and return the next one | |
410 | * in chronological order. | |
411 | * | |
412 | * @param context | |
413 | * @return | |
414 | */ | |
415 | public synchronized TmfEvent getNextEvent(TmfContext context) { | |
416 | ||
417 | // Validate the context | |
418 | if (!(context instanceof TmfExperimentContext)) { | |
419 | return null; // Throw an exception? | |
420 | } | |
421 | ||
422 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
423 | ||
424 | // If an event was consumed previously, get the next one from that trace | |
425 | int lastTrace = expContext.getLastTrace(); | |
426 | if (lastTrace != TmfExperimentContext.NO_TRACE) { | |
427 | TmfContext traceContext = expContext.getContexts()[lastTrace]; | |
428 | expContext.getEvents()[lastTrace] = expContext.getTraces()[lastTrace].getNextEvent(traceContext); | |
429 | } | |
430 | ||
431 | // Scan the candidate events and identify the "next" trace to read from | |
432 | int trace = TmfExperimentContext.NO_TRACE; | |
433 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; | |
434 | for (int i = 0; i < expContext.getTraces().length; i++) { | |
435 | TmfEvent event = expContext.getEvents()[i]; | |
436 | if (event != null && event.getTimestamp() != null) { | |
437 | TmfTimestamp otherTS = event.getTimestamp(); | |
438 | if (otherTS.compareTo(timestamp, true) < 0) { | |
439 | trace = i; | |
440 | timestamp = otherTS; | |
441 | } | |
442 | } | |
443 | } | |
444 | ||
445 | // Update the experiment context and set the "next" event | |
446 | TmfEvent event = null; | |
447 | if (trace >= 0) { | |
9aae0442 | 448 | long savedRank = expContext.getRank(); |
8c8bf09f ASL |
449 | expContext.setLastTrace(trace); |
450 | expContext.updateRank(1); | |
451 | TmfExperimentLocation expLocation = (TmfExperimentLocation) expContext.getLocation(); | |
452 | TmfContext traceContext = expContext.getContexts()[trace]; | |
453 | expLocation.getLocation()[trace] = traceContext.getLocation().clone(); | |
454 | expLocation.getRanks()[trace] = traceContext.getRank(); | |
455 | event = expContext.getEvents()[trace]; | |
9aae0442 | 456 | updateIndex(expContext, savedRank, timestamp); |
8c8bf09f ASL |
457 | } |
458 | ||
459 | return event; | |
460 | } | |
461 | ||
9aae0442 ASL |
462 | public synchronized void updateIndex(ITmfContext context, long rank, TmfTimestamp timestamp) { |
463 | // Build the index as we go along | |
464 | if (context.isValidRank() && (rank % fIndexPageSize) == 0) { | |
465 | // Determine the table position | |
466 | long position = context.getRank() / fIndexPageSize; | |
467 | // Add new entry at proper location (if empty) | |
468 | if (fCheckpoints.size() == position) { | |
469 | ITmfLocation<?> location = context.getLocation().clone(); | |
470 | fCheckpoints.add(new TmfCheckpoint(timestamp, location)); | |
471 | // System.out.println(this + "[" + (fCheckpoints.size() - 1) + "] " + timestamp + ", " + location.toString()); | |
472 | } | |
473 | } | |
474 | } | |
475 | ||
8c8bf09f ASL |
476 | /* (non-Javadoc) |
477 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#parseEvent(org.eclipse.linuxtools.tmf.trace.TmfContext) | |
478 | */ | |
479 | public TmfEvent parseEvent(TmfContext context) { | |
480 | ||
481 | if (context instanceof TmfExperimentContext) { | |
482 | TmfExperimentContext expContext = (TmfExperimentContext) context; | |
483 | int lastTrace = expContext.getLastTrace(); | |
484 | if (lastTrace != -1) { | |
485 | TmfContext traceContext = expContext.getContexts()[lastTrace]; | |
486 | expContext.getEvents()[lastTrace] = expContext.getTraces()[lastTrace].getNextEvent(traceContext); | |
487 | expContext.updateRank(1); | |
488 | TmfExperimentLocation expLocation = (TmfExperimentLocation) expContext.getLocation(); | |
489 | expLocation.getLocation()[lastTrace] = traceContext.getLocation().clone(); | |
490 | } | |
491 | ||
492 | int trace = -1; | |
493 | TmfTimestamp timestamp = TmfTimestamp.BigCrunch; | |
494 | for (int i = 0; i < expContext.getTraces().length; i++) { | |
495 | if (expContext.getEvents()[i] != null) { | |
496 | if (expContext.getEvents()[i].getTimestamp() != null) { | |
497 | TmfTimestamp otherTS = expContext.getEvents()[i].getTimestamp(); | |
498 | if (otherTS.compareTo(timestamp, true) < 0) { | |
499 | trace = i; | |
500 | timestamp = otherTS; | |
501 | } | |
502 | } | |
503 | } | |
504 | } | |
505 | if (trace >= 0) { | |
506 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); | |
507 | return expContext.getEvents()[trace]; | |
508 | } | |
509 | } | |
510 | ||
511 | return null; | |
512 | } | |
513 | ||
514 | /* (non-Javadoc) | |
515 | * @see java.lang.Object#toString() | |
516 | */ | |
517 | @Override | |
518 | public String toString() { | |
519 | return "[TmfExperiment (" + getName() + ")]"; | |
520 | } | |
521 | ||
522 | // ------------------------------------------------------------------------ | |
523 | // Indexing | |
524 | // ------------------------------------------------------------------------ | |
525 | ||
526 | /* | |
527 | * The experiment holds the globally ordered events of its set of traces. | |
528 | * It is expected to provide access to each individual event by index i.e. | |
529 | * it must be possible to request the Nth event of the experiment. | |
530 | * | |
531 | * The purpose of the index is to keep the information needed to rapidly | |
532 | * restore the traces contexts at regular intervals (every INDEX_PAGE_SIZE | |
533 | * event). | |
534 | */ | |
535 | ||
536 | // The index page size | |
537 | private static final int DEFAULT_INDEX_PAGE_SIZE = 1000; | |
9aae0442 | 538 | private final int fIndexPageSize; |
8c8bf09f | 539 | |
9aae0442 ASL |
540 | @SuppressWarnings("unchecked") |
541 | public void indexExperiment() { | |
542 | ||
543 | final TmfExperiment<?> experiment = getCurrentExperiment(); | |
544 | fCheckpoints.clear(); | |
545 | ||
546 | ITmfEventRequest<TmfEvent> request = new TmfEventRequest<TmfEvent>(TmfEvent.class, TmfTimeRange.Eternity, TmfDataRequest.ALL_DATA, 1) { | |
547 | ||
548 | long indexingStart = System.nanoTime(); | |
549 | ||
550 | TmfTimestamp startTime = null; | |
551 | TmfTimestamp lastTime = null; | |
552 | int nbEvents = 0; | |
553 | ||
554 | @Override | |
555 | public void handleData() { | |
556 | TmfEvent[] events = getData(); | |
557 | if (events.length > 0) { | |
558 | nbEvents++; | |
559 | TmfTimestamp ts = events[0].getTimestamp(); | |
560 | if (startTime == null) | |
561 | startTime = new TmfTimestamp(ts); | |
562 | lastTime = new TmfTimestamp(ts); | |
563 | ||
564 | if ((nbEvents % DEFAULT_INDEX_PAGE_SIZE) == 0) { | |
565 | updateExperiment(); | |
566 | } | |
567 | } | |
8c8bf09f | 568 | } |
8c8bf09f | 569 | |
9aae0442 ASL |
570 | @Override |
571 | public void handleSuccess() { | |
572 | long indexingEnd = System.nanoTime(); | |
573 | ||
574 | updateExperiment(); | |
575 | // experiment.fCheckpoints = new Vector<TmfCheckpoint>(); | |
576 | // for (int i = 0; i < fCheckpoints.size(); i++) { | |
577 | // TmfCheckpoint checkpoint = fCheckpoints.get(i).clone(); | |
578 | // experiment.fCheckpoints.add(checkpoint); | |
579 | // System.out.println("fCheckpoints[" + i + "] " + checkpoint.getTimestamp() + ", " + checkpoint.getLocation().toString()); | |
580 | // } | |
581 | ||
582 | // clone.dispose(); | |
583 | // if (Tracer.INTERNALS) Tracer.trace(getName() + ": nbEvents=" + nbEvents + " (" + ((indexingEnd-indexingStart)/nbEvents)+ " ns/evt), start=" + startTime + ", end=" + lastTime); | |
584 | ||
585 | System.out.println(getName() + ": start=" + startTime + ", end=" + lastTime + ", elapsed=" + (indexingEnd*1.0 - indexingStart) / 1000000000); | |
586 | System.out.println(getName() + ": nbEvents=" + fNbEvents + " (" + ((indexingEnd-indexingStart)/nbEvents)+ " ns/evt)"); | |
587 | // for (int i = 0; i < experiment.fCheckpoints.size(); i++) { | |
588 | // TmfCheckpoint checkpoint = experiment.fCheckpoints.get(i); | |
589 | // System.out.println("fCheckpoints[" + i + "] " + checkpoint.getTimestamp() + ", " + checkpoint.getLocation().toString()); | |
590 | // } | |
8c8bf09f ASL |
591 | } |
592 | ||
9aae0442 ASL |
593 | private void updateExperiment() { |
594 | if (experiment == fCurrentExperiment) | |
595 | experiment.fTimeRange = new TmfTimeRange(startTime, new TmfTimestamp(lastTime)); | |
596 | experiment.fNbEvents = nbEvents; | |
597 | experiment.fCheckpoints = ((TmfExperiment<T>) fClone).fCheckpoints; | |
598 | notifyListeners(); | |
599 | } | |
600 | }; | |
8c8bf09f | 601 | |
9aae0442 ASL |
602 | sendRequest((ITmfDataRequest<T>) request, ExecutionType.LONG); |
603 | } | |
604 | ||
605 | protected void notifyListeners() { | |
606 | broadcast(new TmfExperimentUpdatedSignal(this, this, null)); | |
8c8bf09f ASL |
607 | } |
608 | ||
609 | // ------------------------------------------------------------------------ | |
610 | // Signal handlers | |
611 | // ------------------------------------------------------------------------ | |
612 | ||
613 | @TmfSignalHandler | |
614 | public void experimentSelected(TmfExperimentSelectedSignal<T> signal) { | |
615 | TmfExperiment<?> experiment = signal.getExperiment(); | |
616 | if (experiment == this) { | |
617 | setCurrentExperiment(experiment); | |
9aae0442 | 618 | indexExperiment(); |
8c8bf09f ASL |
619 | } |
620 | else { | |
621 | dispose(); | |
622 | } | |
8c8bf09f ASL |
623 | } |
624 | ||
625 | @TmfSignalHandler | |
626 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { | |
8c8bf09f ASL |
627 | } |
628 | ||
629 | @TmfSignalHandler | |
630 | public void traceUpdated(TmfTraceUpdatedSignal signal) { | |
631 | // TODO: Incremental index update | |
632 | synchronized(this) { | |
633 | updateNbEvents(); | |
634 | updateTimeRange(); | |
635 | } | |
636 | broadcast(new TmfExperimentUpdatedSignal(this, this, signal.getTrace())); | |
637 | } | |
638 | ||
639 | } |