Commit | Line | Data |
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8c8bf09f | 1 | /******************************************************************************* |
0316808c | 2 | * Copyright (c) 2009, 2010, 2012 Ericsson |
ce2388e0 | 3 | * |
8c8bf09f ASL |
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 | |
ce2388e0 | 8 | * |
8c8bf09f ASL |
9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
0316808c | 11 | * Francois Chouinard - Updated as per TMF Trace Model 1.0 |
8c8bf09f ASL |
12 | *******************************************************************************/ |
13 | ||
9e0640dc | 14 | package org.eclipse.linuxtools.tmf.core.trace; |
8c8bf09f | 15 | |
a1091415 | 16 | import org.eclipse.core.resources.IFile; |
12c155f5 | 17 | import org.eclipse.core.resources.IProject; |
828e5592 | 18 | import org.eclipse.core.resources.IResource; |
9e0640dc FC |
19 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfExperimentContext; |
20 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfExperimentLocation; | |
21 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfLocationArray; | |
72f1e62a | 22 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4df4581d | 23 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
24 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
25 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
0316808c | 26 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; |
49e2f79a FC |
27 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; |
28 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
1b70b6dc | 29 | import org.eclipse.linuxtools.tmf.core.signal.TmfEndSynchSignal; |
6c13869b FC |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentDisposedSignal; |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentRangeUpdatedSignal; | |
32 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
33 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; | |
34 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
c32744d6 | 35 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceUpdatedSignal; |
8c8bf09f ASL |
36 | |
37 | /** | |
9e0640dc | 38 | * TmfExperiment presents a time-ordered, unified view of a set of ITmfTrace:s |
cbdacf03 | 39 | * that are part of a tracing experiment. |
4b7b3670 FC |
40 | * |
41 | * @version 1.0 | |
42 | * @author Francois Chouinard | |
8c8bf09f | 43 | */ |
0316808c | 44 | public class TmfExperiment<T extends ITmfEvent> extends TmfTrace<T> implements ITmfEventParser<T> { |
8c8bf09f | 45 | |
c32744d6 FC |
46 | // ------------------------------------------------------------------------ |
47 | // Constants | |
48 | // ------------------------------------------------------------------------ | |
49 | ||
9e0640dc FC |
50 | /** |
51 | * The default index page size | |
52 | */ | |
53 | public static final int DEFAULT_INDEX_PAGE_SIZE = 5000; | |
c32744d6 | 54 | |
8c8bf09f ASL |
55 | // ------------------------------------------------------------------------ |
56 | // Attributes | |
57 | // ------------------------------------------------------------------------ | |
58 | ||
9e0640dc FC |
59 | /** |
60 | * The currently selected experiment (null if none) | |
61 | */ | |
c32744d6 | 62 | protected static TmfExperiment<?> fCurrentExperiment = null; |
e31e01e8 | 63 | |
9e0640dc FC |
64 | /** |
65 | * The set of traces that constitute the experiment | |
66 | */ | |
c32744d6 | 67 | protected ITmfTrace<T>[] fTraces; |
8c8bf09f | 68 | |
9e0640dc FC |
69 | /** |
70 | * The set of traces that constitute the experiment | |
71 | */ | |
72 | private boolean fInitialized = false; | |
a1091415 | 73 | |
9e0640dc FC |
74 | /** |
75 | * The experiment bookmarks file | |
76 | */ | |
77 | private IFile fBookmarksFile; | |
828e5592 | 78 | |
49e2f79a FC |
79 | |
80 | // Saved experiment context (optimization) | |
81 | private TmfExperimentContext fExperimentContext; | |
82 | ||
8c8bf09f | 83 | // ------------------------------------------------------------------------ |
9e0640dc | 84 | // Construction |
8c8bf09f ASL |
85 | // ------------------------------------------------------------------------ |
86 | ||
9e0640dc FC |
87 | /** |
88 | * @param type | |
89 | * @param id | |
90 | * @param traces | |
91 | * @throws TmfTraceException | |
92 | */ | |
93 | public TmfExperiment(final Class<T> type, final String id, final ITmfTrace<T>[] traces) { | |
94 | this(type, id, traces, DEFAULT_INDEX_PAGE_SIZE); | |
96c6806f PT |
95 | } |
96 | ||
8c8bf09f ASL |
97 | /** |
98 | * @param type | |
99 | * @param id | |
100 | * @param traces | |
8c8bf09f | 101 | * @param indexPageSize |
0316808c | 102 | * @throws TmfTraceException |
8c8bf09f | 103 | */ |
0316808c | 104 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
9e0640dc | 105 | public TmfExperiment(final Class<T> type, final String path, final ITmfTrace<T>[] traces, final int indexPageSize) { |
0316808c FC |
106 | setCacheSize(indexPageSize); |
107 | setStreamingInterval(0); | |
07671572 | 108 | setIndexer(new TmfCheckpointIndexer(this, indexPageSize)); |
0316808c FC |
109 | setParser(this); |
110 | try { | |
111 | super.initialize(null, path, type); | |
112 | } catch (TmfTraceException e) { | |
113 | e.printStackTrace(); | |
114 | } | |
8c8bf09f | 115 | |
a79913eb | 116 | fTraces = traces; |
a87cc4ef | 117 | setTimeRange(TmfTimeRange.NULL_RANGE); |
8c8bf09f | 118 | } |
a79913eb | 119 | |
8c8bf09f | 120 | /** |
ff4ed569 | 121 | * Clears the experiment |
8c8bf09f ASL |
122 | */ |
123 | @Override | |
12c155f5 | 124 | @SuppressWarnings("rawtypes") |
a79913eb FC |
125 | public synchronized void dispose() { |
126 | ||
cbdacf03 | 127 | final TmfExperimentDisposedSignal<T> signal = new TmfExperimentDisposedSignal<T>(this, this); |
a79913eb | 128 | broadcast(signal); |
9e0640dc FC |
129 | |
130 | if (fCurrentExperiment == this) { | |
09d11238 | 131 | fCurrentExperiment = null; |
9e0640dc | 132 | } |
a79913eb | 133 | |
77551cc2 FC |
134 | // Clean up the index if applicable |
135 | if (getIndexer() != null) { | |
136 | getIndexer().dispose(); | |
137 | } | |
b5ee6881 | 138 | |
a79913eb | 139 | if (fTraces != null) { |
cbdacf03 | 140 | for (final ITmfTrace trace : fTraces) |
a79913eb | 141 | trace.dispose(); |
a79913eb FC |
142 | fTraces = null; |
143 | } | |
2fb2eb37 | 144 | super.dispose(); |
8c8bf09f ASL |
145 | } |
146 | ||
9e0640dc FC |
147 | // ------------------------------------------------------------------------ |
148 | // ITmfTrace - Initializers | |
149 | // ------------------------------------------------------------------------ | |
150 | ||
151 | /* (non-Javadoc) | |
152 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String) | |
153 | */ | |
154 | @Override | |
155 | public boolean validate(final IProject project, final String path) { | |
156 | return true; | |
157 | } | |
158 | ||
159 | /* (non-Javadoc) | |
160 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#initTrace(org.eclipse.core.resources.IResource, java.lang.String, java.lang.Class) | |
161 | */ | |
162 | @Override | |
163 | public void initTrace(final IResource resource, final String path, final Class<T> type) { | |
164 | } | |
165 | ||
8c8bf09f | 166 | // ------------------------------------------------------------------------ |
e31e01e8 | 167 | // Accessors |
8c8bf09f ASL |
168 | // ------------------------------------------------------------------------ |
169 | ||
9e0640dc FC |
170 | /** |
171 | * Selects the current, framework-wide, experiment | |
172 | * | |
173 | * @param experiment das experiment | |
174 | */ | |
cbdacf03 | 175 | public static void setCurrentExperiment(final TmfExperiment<?> experiment) { |
9e0640dc | 176 | if (fCurrentExperiment != null && fCurrentExperiment != experiment) { |
09d11238 | 177 | fCurrentExperiment.dispose(); |
9e0640dc | 178 | } |
a79913eb | 179 | fCurrentExperiment = experiment; |
f6b14ce2 FC |
180 | } |
181 | ||
9e0640dc FC |
182 | /** |
183 | * @return das experiment | |
184 | */ | |
e31e01e8 | 185 | public static TmfExperiment<?> getCurrentExperiment() { |
a79913eb | 186 | return fCurrentExperiment; |
8c8bf09f ASL |
187 | } |
188 | ||
9e0640dc FC |
189 | /** |
190 | * Get the list of traces. Handle with care... | |
191 | * | |
192 | * @return the experiment traces | |
193 | */ | |
12c155f5 | 194 | public ITmfTrace<T>[] getTraces() { |
a79913eb | 195 | return fTraces; |
8c8bf09f ASL |
196 | } |
197 | ||
8c8bf09f | 198 | /** |
cbdacf03 FC |
199 | * Returns the timestamp of the event at the requested index. If none, |
200 | * returns null. | |
a79913eb | 201 | * |
0d9a6d76 FC |
202 | * @param index the event index (rank) |
203 | * @return the corresponding event timestamp | |
8c8bf09f | 204 | */ |
cbdacf03 | 205 | public ITmfTimestamp getTimestamp(final int index) { |
0316808c | 206 | final ITmfContext context = seekEvent(index); |
c32744d6 | 207 | final ITmfEvent event = getNext(context); |
a79913eb | 208 | return (event != null) ? event.getTimestamp() : null; |
8c8bf09f ASL |
209 | } |
210 | ||
9e0640dc FC |
211 | /** |
212 | * Set the file to be used for bookmarks on this experiment | |
213 | * | |
214 | * @param file the bookmarks file | |
215 | */ | |
216 | public void setBookmarksFile(final IFile file) { | |
217 | fBookmarksFile = file; | |
218 | } | |
07671572 | 219 | |
9e0640dc FC |
220 | /** |
221 | * Get the file used for bookmarks on this experiment | |
222 | * | |
223 | * @return the bookmarks file or null if none is set | |
224 | */ | |
225 | public IFile getBookmarksFile() { | |
226 | return fBookmarksFile; | |
a79913eb FC |
227 | } |
228 | ||
49e2f79a FC |
229 | // ------------------------------------------------------------------------ |
230 | // Request management | |
231 | // ------------------------------------------------------------------------ | |
232 | ||
3bd44ac8 FC |
233 | /* (non-Javadoc) |
234 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#armRequest(org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest) | |
235 | */ | |
49e2f79a | 236 | @Override |
408e65d2 | 237 | protected synchronized ITmfContext armRequest(final ITmfDataRequest<T> request) { |
6a953367 BH |
238 | |
239 | // Make sure we have something to read from | |
240 | if (fTraces == null) { | |
241 | return null; | |
242 | } | |
243 | ||
49e2f79a FC |
244 | if (request instanceof ITmfEventRequest<?> |
245 | && !TmfTimestamp.BIG_BANG.equals(((ITmfEventRequest<T>) request).getRange().getStartTime()) | |
246 | && request.getIndex() == 0) | |
247 | { | |
248 | final ITmfContext context = seekEvent(((ITmfEventRequest<T>) request).getRange().getStartTime()); | |
249 | ((ITmfEventRequest<T>) request).setStartIndex((int) context.getRank()); | |
250 | return context; | |
251 | ||
252 | } | |
253 | ||
254 | // Check if we are already at the right index | |
255 | if ((fExperimentContext != null) && fExperimentContext.getRank() == request.getIndex()) { | |
256 | return fExperimentContext; | |
257 | } | |
258 | ||
259 | return seekEvent(request.getIndex()); | |
260 | } | |
261 | ||
a79913eb | 262 | // ------------------------------------------------------------------------ |
9f584e4c FC |
263 | // ITmfTrace trace positioning |
264 | // ------------------------------------------------------------------------ | |
265 | ||
f3fd42d1 FC |
266 | /* (non-Javadoc) |
267 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#seekEvent(long) | |
268 | * | |
269 | * TmfTrace.seekEvent(rank) will return a context that will position the | |
270 | * trace to read the event at rank 'rank' in the trace. In the case of an | |
271 | * experiment context, that event has to be actually read in the fEvents | |
272 | * buffer and the corresponding trace context has to point to the next | |
273 | * event (rank + 1) in the trace (the sum of the traces contexts ranks | |
274 | * should equal [exp context rank + #traces] (corner cases not considered). | |
275 | * | |
276 | * In the likely case that TmfTrace.seekEvent() computed the context | |
277 | * by using a read loop (reading from the experiment), the 'lastTraceRead' | |
278 | * field will be set to the actual trace that needs to be read to obtain | |
279 | * event at rank 'rank'. | |
280 | * | |
281 | * Therefore, if 'lastTraceRead' is set, we need to read that particular | |
282 | * trace *and* then decrease the context rank (which has to correspond to | |
283 | * the rank of the event to be returned next by TmfExperiemnt.getNext(). | |
284 | */ | |
285 | @Override | |
286 | public synchronized ITmfContext seekEvent(final long rank) { | |
287 | TmfExperimentContext context = (TmfExperimentContext) super.seekEvent(rank); | |
288 | int lastTrace = context.getLastTrace(); | |
289 | if (lastTrace != TmfExperimentContext.NO_TRACE) { | |
290 | getNext(context); | |
291 | context.setRank(rank); | |
292 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
293 | } | |
294 | return context; | |
295 | } | |
296 | ||
9e0640dc FC |
297 | /* (non-Javadoc) |
298 | * | |
299 | * Returns a brand new context based on the location provided and | |
300 | * initializes the event queues | |
301 | * | |
302 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
303 | */ | |
a79913eb | 304 | @Override |
9e0640dc | 305 | public synchronized ITmfContext seekEvent(final ITmfLocation<?> location) { |
a79913eb | 306 | // Validate the location |
9e0640dc | 307 | if (location != null && !(location instanceof TmfExperimentLocation)) { |
a79913eb | 308 | return null; // Throw an exception? |
9e0640dc FC |
309 | } |
310 | // Make sure we have something to read from | |
311 | if (fTraces == null) { | |
a79913eb | 312 | return null; |
9e0640dc | 313 | } |
8f50c396 | 314 | |
a79913eb | 315 | // Instantiate the location |
9e0640dc | 316 | final TmfExperimentLocation expLocation = (location == null) |
5cc97265 | 317 | ? new TmfExperimentLocation(new TmfLocationArray(new ITmfLocation<?>[fTraces.length])) |
9e0640dc | 318 | : (TmfExperimentLocation) location.clone(); |
8f50c396 | 319 | |
a79913eb | 320 | // Create and populate the context's traces contexts |
0316808c | 321 | final TmfExperimentContext context = new TmfExperimentContext(new ITmfContext[fTraces.length]); |
9b635e61 | 322 | |
a79913eb FC |
323 | for (int i = 0; i < fTraces.length; i++) { |
324 | // Get the relevant trace attributes | |
5cc97265 FC |
325 | final ITmfLocation<?> trcLocation = expLocation.getLocation().getLocations()[i]; |
326 | context.getContexts()[i] = fTraces[i].seekEvent(trcLocation); | |
327 | expLocation.getLocation().getLocations()[i] = context.getContexts()[i].getLocation().clone(); | |
c32744d6 | 328 | context.getEvents()[i] = fTraces[i].getNext(context.getContexts()[i]); |
a79913eb | 329 | } |
8f50c396 | 330 | |
a79913eb FC |
331 | // Finalize context |
332 | context.setLocation(expLocation); | |
333 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
5cc97265 | 334 | context.setRank(ITmfContext.UNKNOWN_RANK); |
49e2f79a FC |
335 | |
336 | fExperimentContext = context; | |
9e0640dc | 337 | return (ITmfContext) context; |
a79913eb | 338 | } |
9f584e4c | 339 | |
3bd44ac8 FC |
340 | // ------------------------------------------------------------------------ |
341 | // ITmfTrace - SeekEvent operations (returning a trace context) | |
342 | // ------------------------------------------------------------------------ | |
343 | ||
9e0640dc FC |
344 | /* (non-Javadoc) |
345 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(double) | |
346 | */ | |
c76c54bb | 347 | @Override |
0316808c FC |
348 | public ITmfContext seekEvent(final double ratio) { |
349 | final ITmfContext context = seekEvent((long) (ratio * getNbEvents())); | |
c76c54bb FC |
350 | return context; |
351 | } | |
352 | ||
9e0640dc FC |
353 | /* (non-Javadoc) |
354 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getLocationRatio(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
355 | */ | |
a79913eb | 356 | @Override |
cbdacf03 | 357 | public double getLocationRatio(final ITmfLocation<?> location) { |
9e0640dc | 358 | if (location instanceof TmfExperimentLocation) { |
5cc97265 | 359 | return (double) seekEvent(location).getRank() / getNbEvents(); |
9e0640dc FC |
360 | } |
361 | return 0.0; | |
c76c54bb FC |
362 | } |
363 | ||
9e0640dc FC |
364 | /* (non-Javadoc) |
365 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getCurrentLocation() | |
366 | */ | |
a79913eb FC |
367 | @Override |
368 | public ITmfLocation<?> getCurrentLocation() { | |
5cc97265 | 369 | ITmfLocation<?>[] locations = new ITmfLocation<?>[fTraces.length]; |
a87cc4ef | 370 | for (int i = 0; i < fTraces.length; i++) { |
5cc97265 | 371 | locations[i] = fTraces[i].getCurrentLocation(); |
a87cc4ef FC |
372 | } |
373 | return new TmfExperimentLocation(new TmfLocationArray(locations)); | |
a79913eb | 374 | } |
c76c54bb | 375 | |
9e0640dc FC |
376 | // ------------------------------------------------------------------------ |
377 | // ITmfTrace trace positioning | |
378 | // ------------------------------------------------------------------------ | |
379 | ||
07671572 | 380 | /* (non-Javadoc) |
408e65d2 | 381 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser#parseEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
07671572 FC |
382 | */ |
383 | @Override | |
408e65d2 FC |
384 | public synchronized T parseEvent(final ITmfContext context) { |
385 | final ITmfContext savedContext = context.clone(); | |
386 | final T event = getNext(savedContext); | |
07671572 FC |
387 | return event; |
388 | } | |
a79913eb | 389 | |
ce2388e0 | 390 | /* (non-Javadoc) |
408e65d2 | 391 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#getNext(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
a79913eb | 392 | */ |
0316808c | 393 | @Override |
3bd44ac8 | 394 | @SuppressWarnings("unchecked") |
408e65d2 | 395 | public synchronized T getNext(ITmfContext context) { |
a79913eb FC |
396 | |
397 | // Validate the context | |
9e0640dc | 398 | if (!(context instanceof TmfExperimentContext)) { |
a79913eb | 399 | return null; // Throw an exception? |
9e0640dc | 400 | } |
0e8c76f8 BH |
401 | |
402 | // Make sure that we have something to read from | |
403 | if (fTraces == null) { | |
404 | return null; | |
405 | } | |
406 | ||
a87cc4ef | 407 | TmfExperimentContext expContext = (TmfExperimentContext) context; |
a79913eb | 408 | |
a87cc4ef | 409 | // If an event was consumed previously, first get the next one from that trace |
cbdacf03 | 410 | final int lastTrace = expContext.getLastTrace(); |
a79913eb | 411 | if (lastTrace != TmfExperimentContext.NO_TRACE) { |
cbdacf03 | 412 | final ITmfContext traceContext = expContext.getContexts()[lastTrace]; |
f3fd42d1 FC |
413 | |
414 | TmfExperimentLocation location = (TmfExperimentLocation) expContext.getLocation(); | |
415 | if (location != null) { | |
416 | location.getLocation().getLocations()[lastTrace] = traceContext.getLocation().clone(); | |
417 | } | |
418 | ||
c32744d6 | 419 | expContext.getEvents()[lastTrace] = fTraces[lastTrace].getNext(traceContext); |
a79913eb | 420 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); |
a79913eb FC |
421 | } |
422 | ||
423 | // Scan the candidate events and identify the "next" trace to read from | |
424 | int trace = TmfExperimentContext.NO_TRACE; | |
a4115405 | 425 | ITmfTimestamp timestamp = TmfTimestamp.BIG_CRUNCH; |
0316808c | 426 | for (int i = 0; i < fTraces.length; i++) { |
cbdacf03 | 427 | final ITmfEvent event = expContext.getEvents()[i]; |
a79913eb | 428 | if (event != null && event.getTimestamp() != null) { |
cbdacf03 | 429 | final ITmfTimestamp otherTS = event.getTimestamp(); |
a79913eb FC |
430 | if (otherTS.compareTo(timestamp, true) < 0) { |
431 | trace = i; | |
432 | timestamp = otherTS; | |
433 | } | |
434 | } | |
435 | } | |
a87cc4ef FC |
436 | |
437 | T event = null; | |
07671572 | 438 | if (trace != TmfExperimentContext.NO_TRACE) { |
a87cc4ef | 439 | event = (T) expContext.getEvents()[trace]; |
408e65d2 FC |
440 | if (event != null) { |
441 | updateAttributes(expContext, event.getTimestamp()); | |
408e65d2 FC |
442 | expContext.increaseRank(); |
443 | expContext.setLastTrace(trace); | |
444 | fExperimentContext = expContext; | |
445 | processEvent(event); | |
446 | } | |
07671572 | 447 | } |
a87cc4ef | 448 | |
a87cc4ef | 449 | return event; |
a79913eb FC |
450 | } |
451 | ||
bcbea6a6 | 452 | /* (non-Javadoc) |
a79913eb FC |
453 | * @see java.lang.Object#toString() |
454 | */ | |
455 | @Override | |
3b38ea61 | 456 | @SuppressWarnings("nls") |
a79913eb FC |
457 | public String toString() { |
458 | return "[TmfExperiment (" + getName() + ")]"; | |
459 | } | |
8c8bf09f ASL |
460 | |
461 | // ------------------------------------------------------------------------ | |
9e0640dc | 462 | // Streaming support |
8c8bf09f ASL |
463 | // ------------------------------------------------------------------------ |
464 | ||
1b70b6dc | 465 | private synchronized void initializeStreamingMonitor() { |
9e0640dc FC |
466 | |
467 | if (fInitialized) { | |
828e5592 | 468 | return; |
9e0640dc | 469 | } |
828e5592 PT |
470 | fInitialized = true; |
471 | ||
1b70b6dc | 472 | if (getStreamingInterval() == 0) { |
0316808c | 473 | final ITmfContext context = seekEvent(0); |
cbdacf03 FC |
474 | final ITmfEvent event = getNext(context); |
475 | if (event == null) | |
1b70b6dc | 476 | return; |
cbdacf03 | 477 | final TmfTimeRange timeRange = new TmfTimeRange(event.getTimestamp().clone(), TmfTimestamp.BIG_CRUNCH); |
828e5592 PT |
478 | final TmfExperimentRangeUpdatedSignal signal = new TmfExperimentRangeUpdatedSignal(this, this, timeRange); |
479 | ||
480 | // Broadcast in separate thread to prevent deadlock | |
481 | new Thread() { | |
482 | @Override | |
483 | public void run() { | |
484 | broadcast(signal); | |
485 | } | |
486 | }.start(); | |
1b70b6dc PT |
487 | return; |
488 | } | |
489 | ||
9e0640dc | 490 | final Thread thread = new Thread("Streaming Monitor for experiment " + getName()) { //$NON-NLS-1$ |
bcbea6a6 FC |
491 | private ITmfTimestamp safeTimestamp = null; |
492 | private TmfTimeRange timeRange = null; | |
1b70b6dc PT |
493 | |
494 | @Override | |
495 | public void run() { | |
496 | while (!fExecutor.isShutdown()) { | |
9e0640dc | 497 | if (!getIndexer().isIndexing()) { |
a4115405 FC |
498 | ITmfTimestamp startTimestamp = TmfTimestamp.BIG_CRUNCH; |
499 | ITmfTimestamp endTimestamp = TmfTimestamp.BIG_BANG; | |
cbdacf03 FC |
500 | for (final ITmfTrace<T> trace : fTraces) { |
501 | if (trace.getStartTime().compareTo(startTimestamp) < 0) | |
1b70b6dc | 502 | startTimestamp = trace.getStartTime(); |
cbdacf03 | 503 | if (trace.getStreamingInterval() != 0 && trace.getEndTime().compareTo(endTimestamp) > 0) |
1b70b6dc | 504 | endTimestamp = trace.getEndTime(); |
1b70b6dc | 505 | } |
cbdacf03 | 506 | if (safeTimestamp != null && safeTimestamp.compareTo(getTimeRange().getEndTime(), false) > 0) |
1b70b6dc | 507 | timeRange = new TmfTimeRange(startTimestamp, safeTimestamp); |
cbdacf03 | 508 | else |
1b70b6dc | 509 | timeRange = null; |
1b70b6dc PT |
510 | safeTimestamp = endTimestamp; |
511 | if (timeRange != null) { | |
cbdacf03 | 512 | final TmfExperimentRangeUpdatedSignal signal = |
1b70b6dc PT |
513 | new TmfExperimentRangeUpdatedSignal(TmfExperiment.this, TmfExperiment.this, timeRange); |
514 | broadcast(signal); | |
515 | } | |
516 | } | |
517 | try { | |
518 | Thread.sleep(getStreamingInterval()); | |
cbdacf03 | 519 | } catch (final InterruptedException e) { |
1b70b6dc PT |
520 | e.printStackTrace(); |
521 | } | |
522 | } | |
523 | } | |
524 | }; | |
525 | thread.start(); | |
526 | } | |
527 | ||
9e0640dc | 528 | /* (non-Javadoc) |
1b70b6dc PT |
529 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#getStreamingInterval() |
530 | */ | |
531 | @Override | |
532 | public long getStreamingInterval() { | |
533 | long interval = 0; | |
cbdacf03 | 534 | for (final ITmfTrace<T> trace : fTraces) |
1b70b6dc | 535 | interval = Math.max(interval, trace.getStreamingInterval()); |
1b70b6dc PT |
536 | return interval; |
537 | } | |
538 | ||
8c8bf09f ASL |
539 | // ------------------------------------------------------------------------ |
540 | // Signal handlers | |
541 | // ------------------------------------------------------------------------ | |
542 | ||
9e0640dc | 543 | private Integer fEndSynchReference; |
c32744d6 | 544 | |
9e0640dc FC |
545 | /** |
546 | * Signal handler for the TmfExperimentSelectedSignal signal | |
547 | * | |
548 | * @param signal | |
549 | */ | |
8c8bf09f | 550 | @TmfSignalHandler |
cbdacf03 FC |
551 | public void experimentSelected(final TmfExperimentSelectedSignal<T> signal) { |
552 | final TmfExperiment<?> experiment = signal.getExperiment(); | |
a79913eb FC |
553 | if (experiment == this) { |
554 | setCurrentExperiment(experiment); | |
6e85c58d | 555 | fEndSynchReference = Integer.valueOf(signal.getReference()); |
a79913eb | 556 | } |
8c8bf09f ASL |
557 | } |
558 | ||
9e0640dc FC |
559 | /** |
560 | * Signal handler for the TmfEndSynchSignal signal | |
561 | * | |
562 | * @param signal | |
563 | */ | |
1b70b6dc | 564 | @TmfSignalHandler |
cbdacf03 | 565 | public void endSync(final TmfEndSynchSignal signal) { |
1b70b6dc PT |
566 | if (fEndSynchReference != null && fEndSynchReference.intValue() == signal.getReference()) { |
567 | fEndSynchReference = null; | |
568 | initializeStreamingMonitor(); | |
569 | } | |
1b70b6dc PT |
570 | } |
571 | ||
828e5592 | 572 | /** |
9e0640dc | 573 | * Signal handler for the TmfTraceUpdatedSignal signal |
cbdacf03 | 574 | * |
9e0640dc | 575 | * @param signal |
828e5592 | 576 | */ |
9e0640dc FC |
577 | @TmfSignalHandler |
578 | public void traceUpdated(final TmfTraceUpdatedSignal signal) { | |
579 | if (signal.getTrace() == this) { | |
580 | broadcast(new TmfExperimentUpdatedSignal(this, this)); | |
581 | } | |
a1091415 PT |
582 | } |
583 | ||
584 | /** | |
9e0640dc | 585 | * Signal handler for the TmfExperimentRangeUpdatedSignal signal |
cbdacf03 | 586 | * |
9e0640dc | 587 | * @param signal |
a1091415 | 588 | */ |
9e0640dc FC |
589 | @TmfSignalHandler |
590 | public void experimentRangeUpdated(final TmfExperimentRangeUpdatedSignal signal) { | |
591 | if (signal.getExperiment() == this) { | |
592 | getIndexer().buildIndex(getNbEvents(), signal.getRange(), false); | |
593 | } | |
a1091415 PT |
594 | } |
595 | ||
4dc47e28 | 596 | } |