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; | |
9a7f542f | 22 | import org.eclipse.linuxtools.internal.tmf.core.trace.TmfRankedLocation; |
72f1e62a | 23 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4df4581d | 24 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
25 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
26 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
0316808c | 27 | import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException; |
49e2f79a FC |
28 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; |
29 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
1b70b6dc | 30 | import org.eclipse.linuxtools.tmf.core.signal.TmfEndSynchSignal; |
6c13869b FC |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentDisposedSignal; |
32 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentRangeUpdatedSignal; | |
33 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
34 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; | |
35 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
c32744d6 | 36 | import org.eclipse.linuxtools.tmf.core.signal.TmfTraceUpdatedSignal; |
8c8bf09f ASL |
37 | |
38 | /** | |
9e0640dc | 39 | * TmfExperiment presents a time-ordered, unified view of a set of ITmfTrace:s |
cbdacf03 | 40 | * that are part of a tracing experiment. |
4b7b3670 FC |
41 | * |
42 | * @version 1.0 | |
43 | * @author Francois Chouinard | |
8c8bf09f | 44 | */ |
0316808c | 45 | public class TmfExperiment<T extends ITmfEvent> extends TmfTrace<T> implements ITmfEventParser<T> { |
8c8bf09f | 46 | |
c32744d6 FC |
47 | // ------------------------------------------------------------------------ |
48 | // Constants | |
49 | // ------------------------------------------------------------------------ | |
50 | ||
9e0640dc FC |
51 | /** |
52 | * The default index page size | |
53 | */ | |
54 | public static final int DEFAULT_INDEX_PAGE_SIZE = 5000; | |
c32744d6 | 55 | |
8c8bf09f ASL |
56 | // ------------------------------------------------------------------------ |
57 | // Attributes | |
58 | // ------------------------------------------------------------------------ | |
59 | ||
9e0640dc FC |
60 | /** |
61 | * The currently selected experiment (null if none) | |
62 | */ | |
c32744d6 | 63 | protected static TmfExperiment<?> fCurrentExperiment = null; |
e31e01e8 | 64 | |
9e0640dc FC |
65 | /** |
66 | * The set of traces that constitute the experiment | |
67 | */ | |
c32744d6 | 68 | protected ITmfTrace<T>[] fTraces; |
8c8bf09f | 69 | |
9e0640dc FC |
70 | /** |
71 | * The set of traces that constitute the experiment | |
72 | */ | |
73 | private boolean fInitialized = false; | |
a1091415 | 74 | |
9e0640dc FC |
75 | /** |
76 | * The experiment bookmarks file | |
77 | */ | |
78 | private IFile fBookmarksFile; | |
828e5592 | 79 | |
49e2f79a FC |
80 | |
81 | // Saved experiment context (optimization) | |
82 | private TmfExperimentContext fExperimentContext; | |
83 | ||
8c8bf09f | 84 | // ------------------------------------------------------------------------ |
9e0640dc | 85 | // Construction |
8c8bf09f ASL |
86 | // ------------------------------------------------------------------------ |
87 | ||
9e0640dc FC |
88 | /** |
89 | * @param type | |
90 | * @param id | |
91 | * @param traces | |
92 | * @throws TmfTraceException | |
93 | */ | |
94 | public TmfExperiment(final Class<T> type, final String id, final ITmfTrace<T>[] traces) { | |
95 | this(type, id, traces, DEFAULT_INDEX_PAGE_SIZE); | |
96c6806f PT |
96 | } |
97 | ||
8c8bf09f ASL |
98 | /** |
99 | * @param type | |
100 | * @param id | |
101 | * @param traces | |
8c8bf09f | 102 | * @param indexPageSize |
0316808c | 103 | * @throws TmfTraceException |
8c8bf09f | 104 | */ |
0316808c | 105 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
9e0640dc | 106 | public TmfExperiment(final Class<T> type, final String path, final ITmfTrace<T>[] traces, final int indexPageSize) { |
0316808c FC |
107 | setCacheSize(indexPageSize); |
108 | setStreamingInterval(0); | |
07671572 | 109 | setIndexer(new TmfCheckpointIndexer(this, indexPageSize)); |
0316808c FC |
110 | setParser(this); |
111 | try { | |
112 | super.initialize(null, path, type); | |
113 | } catch (TmfTraceException e) { | |
114 | e.printStackTrace(); | |
115 | } | |
8c8bf09f | 116 | |
a79913eb | 117 | fTraces = traces; |
a87cc4ef | 118 | setTimeRange(TmfTimeRange.NULL_RANGE); |
8c8bf09f | 119 | } |
a79913eb | 120 | |
8c8bf09f | 121 | /** |
ff4ed569 | 122 | * Clears the experiment |
8c8bf09f ASL |
123 | */ |
124 | @Override | |
12c155f5 | 125 | @SuppressWarnings("rawtypes") |
a79913eb FC |
126 | public synchronized void dispose() { |
127 | ||
cbdacf03 | 128 | final TmfExperimentDisposedSignal<T> signal = new TmfExperimentDisposedSignal<T>(this, this); |
a79913eb | 129 | broadcast(signal); |
9e0640dc FC |
130 | |
131 | if (fCurrentExperiment == this) { | |
09d11238 | 132 | fCurrentExperiment = null; |
9e0640dc | 133 | } |
a79913eb | 134 | |
77551cc2 FC |
135 | // Clean up the index if applicable |
136 | if (getIndexer() != null) { | |
137 | getIndexer().dispose(); | |
138 | } | |
b5ee6881 | 139 | |
a79913eb | 140 | if (fTraces != null) { |
cbdacf03 | 141 | for (final ITmfTrace trace : fTraces) |
a79913eb | 142 | trace.dispose(); |
a79913eb FC |
143 | fTraces = null; |
144 | } | |
2fb2eb37 | 145 | super.dispose(); |
8c8bf09f ASL |
146 | } |
147 | ||
9e0640dc FC |
148 | // ------------------------------------------------------------------------ |
149 | // ITmfTrace - Initializers | |
150 | // ------------------------------------------------------------------------ | |
151 | ||
152 | /* (non-Javadoc) | |
153 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#validate(org.eclipse.core.resources.IProject, java.lang.String) | |
154 | */ | |
155 | @Override | |
156 | public boolean validate(final IProject project, final String path) { | |
157 | return true; | |
158 | } | |
159 | ||
160 | /* (non-Javadoc) | |
161 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#initTrace(org.eclipse.core.resources.IResource, java.lang.String, java.lang.Class) | |
162 | */ | |
163 | @Override | |
164 | public void initTrace(final IResource resource, final String path, final Class<T> type) { | |
165 | } | |
166 | ||
8c8bf09f | 167 | // ------------------------------------------------------------------------ |
e31e01e8 | 168 | // Accessors |
8c8bf09f ASL |
169 | // ------------------------------------------------------------------------ |
170 | ||
9e0640dc FC |
171 | /** |
172 | * Selects the current, framework-wide, experiment | |
173 | * | |
174 | * @param experiment das experiment | |
175 | */ | |
cbdacf03 | 176 | public static void setCurrentExperiment(final TmfExperiment<?> experiment) { |
9e0640dc | 177 | if (fCurrentExperiment != null && fCurrentExperiment != experiment) { |
09d11238 | 178 | fCurrentExperiment.dispose(); |
9e0640dc | 179 | } |
a79913eb | 180 | fCurrentExperiment = experiment; |
f6b14ce2 FC |
181 | } |
182 | ||
9e0640dc FC |
183 | /** |
184 | * @return das experiment | |
185 | */ | |
e31e01e8 | 186 | public static TmfExperiment<?> getCurrentExperiment() { |
a79913eb | 187 | return fCurrentExperiment; |
8c8bf09f ASL |
188 | } |
189 | ||
9e0640dc FC |
190 | /** |
191 | * Get the list of traces. Handle with care... | |
192 | * | |
193 | * @return the experiment traces | |
194 | */ | |
12c155f5 | 195 | public ITmfTrace<T>[] getTraces() { |
a79913eb | 196 | return fTraces; |
8c8bf09f ASL |
197 | } |
198 | ||
8c8bf09f | 199 | /** |
cbdacf03 FC |
200 | * Returns the timestamp of the event at the requested index. If none, |
201 | * returns null. | |
a79913eb | 202 | * |
0d9a6d76 FC |
203 | * @param index the event index (rank) |
204 | * @return the corresponding event timestamp | |
8c8bf09f | 205 | */ |
cbdacf03 | 206 | public ITmfTimestamp getTimestamp(final int index) { |
0316808c | 207 | final ITmfContext context = seekEvent(index); |
c32744d6 | 208 | final ITmfEvent event = getNext(context); |
a79913eb | 209 | return (event != null) ? event.getTimestamp() : null; |
8c8bf09f ASL |
210 | } |
211 | ||
9e0640dc FC |
212 | /** |
213 | * Set the file to be used for bookmarks on this experiment | |
214 | * | |
215 | * @param file the bookmarks file | |
216 | */ | |
217 | public void setBookmarksFile(final IFile file) { | |
218 | fBookmarksFile = file; | |
219 | } | |
07671572 | 220 | |
9e0640dc FC |
221 | /** |
222 | * Get the file used for bookmarks on this experiment | |
223 | * | |
224 | * @return the bookmarks file or null if none is set | |
225 | */ | |
226 | public IFile getBookmarksFile() { | |
227 | return fBookmarksFile; | |
a79913eb FC |
228 | } |
229 | ||
49e2f79a FC |
230 | // ------------------------------------------------------------------------ |
231 | // Request management | |
232 | // ------------------------------------------------------------------------ | |
233 | ||
3bd44ac8 FC |
234 | /* (non-Javadoc) |
235 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#armRequest(org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest) | |
236 | */ | |
49e2f79a | 237 | @Override |
408e65d2 | 238 | protected synchronized ITmfContext armRequest(final ITmfDataRequest<T> request) { |
6a953367 BH |
239 | |
240 | // Make sure we have something to read from | |
241 | if (fTraces == null) { | |
242 | return null; | |
243 | } | |
244 | ||
49e2f79a FC |
245 | if (request instanceof ITmfEventRequest<?> |
246 | && !TmfTimestamp.BIG_BANG.equals(((ITmfEventRequest<T>) request).getRange().getStartTime()) | |
247 | && request.getIndex() == 0) | |
248 | { | |
249 | final ITmfContext context = seekEvent(((ITmfEventRequest<T>) request).getRange().getStartTime()); | |
250 | ((ITmfEventRequest<T>) request).setStartIndex((int) context.getRank()); | |
251 | return context; | |
252 | ||
253 | } | |
254 | ||
255 | // Check if we are already at the right index | |
256 | if ((fExperimentContext != null) && fExperimentContext.getRank() == request.getIndex()) { | |
257 | return fExperimentContext; | |
258 | } | |
259 | ||
260 | return seekEvent(request.getIndex()); | |
261 | } | |
262 | ||
a79913eb | 263 | // ------------------------------------------------------------------------ |
9f584e4c FC |
264 | // ITmfTrace trace positioning |
265 | // ------------------------------------------------------------------------ | |
266 | ||
9e0640dc FC |
267 | /* (non-Javadoc) |
268 | * | |
269 | * Returns a brand new context based on the location provided and | |
270 | * initializes the event queues | |
271 | * | |
272 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
273 | */ | |
a79913eb | 274 | @Override |
9e0640dc | 275 | public synchronized ITmfContext seekEvent(final ITmfLocation<?> location) { |
a79913eb | 276 | // Validate the location |
9e0640dc | 277 | if (location != null && !(location instanceof TmfExperimentLocation)) { |
a79913eb | 278 | return null; // Throw an exception? |
9e0640dc FC |
279 | } |
280 | // Make sure we have something to read from | |
281 | if (fTraces == null) { | |
a79913eb | 282 | return null; |
9e0640dc | 283 | } |
8f50c396 | 284 | |
a79913eb | 285 | // Instantiate the location |
9e0640dc | 286 | final TmfExperimentLocation expLocation = (location == null) |
9a7f542f | 287 | ? new TmfExperimentLocation(new TmfLocationArray(new TmfRankedLocation[fTraces.length])) |
9e0640dc | 288 | : (TmfExperimentLocation) location.clone(); |
8f50c396 | 289 | |
a79913eb | 290 | // Create and populate the context's traces contexts |
0316808c | 291 | final TmfExperimentContext context = new TmfExperimentContext(new ITmfContext[fTraces.length]); |
9b635e61 | 292 | |
9a7f542f | 293 | long rank = 0; |
a79913eb FC |
294 | for (int i = 0; i < fTraces.length; i++) { |
295 | // Get the relevant trace attributes | |
9a7f542f PT |
296 | final TmfRankedLocation rankedLocation = expLocation.getLocation().getLocations()[i]; |
297 | final ITmfLocation<?> traceLocation = (rankedLocation == null) ? null : rankedLocation.getLocation(); | |
298 | final long traceRank = (rankedLocation == null) ? 0 : rankedLocation.getRank(); | |
299 | context.getContexts()[i] = fTraces[i].seekEvent(traceLocation); | |
300 | context.getContexts()[i].setRank(traceRank); | |
301 | expLocation.getLocation().getLocations()[i] = new TmfRankedLocation(context.getContexts()[i]); | |
c32744d6 | 302 | context.getEvents()[i] = fTraces[i].getNext(context.getContexts()[i]); |
9a7f542f | 303 | rank += traceRank; |
a79913eb | 304 | } |
8f50c396 | 305 | |
a79913eb FC |
306 | // Finalize context |
307 | context.setLocation(expLocation); | |
308 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
9a7f542f | 309 | context.setRank(rank); |
49e2f79a FC |
310 | |
311 | fExperimentContext = context; | |
9e0640dc | 312 | return (ITmfContext) context; |
a79913eb | 313 | } |
9f584e4c | 314 | |
3bd44ac8 FC |
315 | // ------------------------------------------------------------------------ |
316 | // ITmfTrace - SeekEvent operations (returning a trace context) | |
317 | // ------------------------------------------------------------------------ | |
318 | ||
9e0640dc FC |
319 | /* (non-Javadoc) |
320 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(double) | |
321 | */ | |
c76c54bb | 322 | @Override |
0316808c FC |
323 | public ITmfContext seekEvent(final double ratio) { |
324 | final ITmfContext context = seekEvent((long) (ratio * getNbEvents())); | |
c76c54bb FC |
325 | return context; |
326 | } | |
327 | ||
9e0640dc FC |
328 | /* (non-Javadoc) |
329 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getLocationRatio(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
330 | */ | |
a79913eb | 331 | @Override |
cbdacf03 | 332 | public double getLocationRatio(final ITmfLocation<?> location) { |
9e0640dc | 333 | if (location instanceof TmfExperimentLocation) { |
9a7f542f PT |
334 | long rank = 0; |
335 | for (TmfRankedLocation rankedLocation : ((TmfExperimentLocation) location).getLocation().getLocations()) { | |
336 | rank += rankedLocation.getRank(); | |
337 | } | |
338 | return (double) rank / getNbEvents(); | |
9e0640dc FC |
339 | } |
340 | return 0.0; | |
c76c54bb FC |
341 | } |
342 | ||
9e0640dc FC |
343 | /* (non-Javadoc) |
344 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getCurrentLocation() | |
345 | */ | |
a79913eb FC |
346 | @Override |
347 | public ITmfLocation<?> getCurrentLocation() { | |
9a7f542f | 348 | TmfRankedLocation[] locations = new TmfRankedLocation[fTraces.length]; |
a87cc4ef | 349 | for (int i = 0; i < fTraces.length; i++) { |
9a7f542f | 350 | locations[i] = new TmfRankedLocation(new TmfContext(fTraces[i].getCurrentLocation(), ITmfContext.UNKNOWN_RANK)); |
a87cc4ef FC |
351 | } |
352 | return new TmfExperimentLocation(new TmfLocationArray(locations)); | |
a79913eb | 353 | } |
c76c54bb | 354 | |
9e0640dc FC |
355 | // ------------------------------------------------------------------------ |
356 | // ITmfTrace trace positioning | |
357 | // ------------------------------------------------------------------------ | |
358 | ||
07671572 | 359 | /* (non-Javadoc) |
408e65d2 | 360 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser#parseEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
07671572 FC |
361 | */ |
362 | @Override | |
408e65d2 FC |
363 | public synchronized T parseEvent(final ITmfContext context) { |
364 | final ITmfContext savedContext = context.clone(); | |
365 | final T event = getNext(savedContext); | |
07671572 FC |
366 | return event; |
367 | } | |
a79913eb | 368 | |
ce2388e0 | 369 | /* (non-Javadoc) |
408e65d2 | 370 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#getNext(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
a79913eb | 371 | */ |
0316808c | 372 | @Override |
3bd44ac8 | 373 | @SuppressWarnings("unchecked") |
408e65d2 | 374 | public synchronized T getNext(ITmfContext context) { |
a79913eb FC |
375 | |
376 | // Validate the context | |
9e0640dc | 377 | if (!(context instanceof TmfExperimentContext)) { |
a79913eb | 378 | return null; // Throw an exception? |
9e0640dc | 379 | } |
0e8c76f8 BH |
380 | |
381 | // Make sure that we have something to read from | |
382 | if (fTraces == null) { | |
383 | return null; | |
384 | } | |
385 | ||
a87cc4ef | 386 | TmfExperimentContext expContext = (TmfExperimentContext) context; |
a79913eb | 387 | |
a87cc4ef | 388 | // If an event was consumed previously, first get the next one from that trace |
cbdacf03 | 389 | final int lastTrace = expContext.getLastTrace(); |
a79913eb | 390 | if (lastTrace != TmfExperimentContext.NO_TRACE) { |
cbdacf03 | 391 | final ITmfContext traceContext = expContext.getContexts()[lastTrace]; |
c32744d6 | 392 | expContext.getEvents()[lastTrace] = fTraces[lastTrace].getNext(traceContext); |
a79913eb | 393 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); |
a79913eb FC |
394 | } |
395 | ||
396 | // Scan the candidate events and identify the "next" trace to read from | |
397 | int trace = TmfExperimentContext.NO_TRACE; | |
a4115405 | 398 | ITmfTimestamp timestamp = TmfTimestamp.BIG_CRUNCH; |
0316808c | 399 | for (int i = 0; i < fTraces.length; i++) { |
cbdacf03 | 400 | final ITmfEvent event = expContext.getEvents()[i]; |
a79913eb | 401 | if (event != null && event.getTimestamp() != null) { |
cbdacf03 | 402 | final ITmfTimestamp otherTS = event.getTimestamp(); |
a79913eb FC |
403 | if (otherTS.compareTo(timestamp, true) < 0) { |
404 | trace = i; | |
405 | timestamp = otherTS; | |
406 | } | |
407 | } | |
408 | } | |
a87cc4ef FC |
409 | |
410 | T event = null; | |
07671572 | 411 | if (trace != TmfExperimentContext.NO_TRACE) { |
a87cc4ef | 412 | event = (T) expContext.getEvents()[trace]; |
408e65d2 FC |
413 | if (event != null) { |
414 | updateAttributes(expContext, event.getTimestamp()); | |
408e65d2 FC |
415 | expContext.increaseRank(); |
416 | expContext.setLastTrace(trace); | |
9a7f542f | 417 | final TmfExperimentLocation expLocation = (TmfExperimentLocation) expContext.getLocation(); |
1744ff0e | 418 | final ITmfContext traceContext = expContext.getContexts()[trace]; |
9a7f542f | 419 | expLocation.getLocation().getLocations()[trace] = new TmfRankedLocation(traceContext); |
408e65d2 FC |
420 | fExperimentContext = expContext; |
421 | processEvent(event); | |
422 | } | |
07671572 | 423 | } |
a87cc4ef | 424 | |
a87cc4ef | 425 | return event; |
a79913eb FC |
426 | } |
427 | ||
bcbea6a6 | 428 | /* (non-Javadoc) |
a79913eb FC |
429 | * @see java.lang.Object#toString() |
430 | */ | |
431 | @Override | |
3b38ea61 | 432 | @SuppressWarnings("nls") |
a79913eb FC |
433 | public String toString() { |
434 | return "[TmfExperiment (" + getName() + ")]"; | |
435 | } | |
8c8bf09f ASL |
436 | |
437 | // ------------------------------------------------------------------------ | |
9e0640dc | 438 | // Streaming support |
8c8bf09f ASL |
439 | // ------------------------------------------------------------------------ |
440 | ||
1b70b6dc | 441 | private synchronized void initializeStreamingMonitor() { |
9e0640dc FC |
442 | |
443 | if (fInitialized) { | |
828e5592 | 444 | return; |
9e0640dc | 445 | } |
828e5592 PT |
446 | fInitialized = true; |
447 | ||
1b70b6dc | 448 | if (getStreamingInterval() == 0) { |
0316808c | 449 | final ITmfContext context = seekEvent(0); |
cbdacf03 FC |
450 | final ITmfEvent event = getNext(context); |
451 | if (event == null) | |
1b70b6dc | 452 | return; |
cbdacf03 | 453 | final TmfTimeRange timeRange = new TmfTimeRange(event.getTimestamp().clone(), TmfTimestamp.BIG_CRUNCH); |
828e5592 PT |
454 | final TmfExperimentRangeUpdatedSignal signal = new TmfExperimentRangeUpdatedSignal(this, this, timeRange); |
455 | ||
456 | // Broadcast in separate thread to prevent deadlock | |
457 | new Thread() { | |
458 | @Override | |
459 | public void run() { | |
460 | broadcast(signal); | |
461 | } | |
462 | }.start(); | |
1b70b6dc PT |
463 | return; |
464 | } | |
465 | ||
9e0640dc | 466 | final Thread thread = new Thread("Streaming Monitor for experiment " + getName()) { //$NON-NLS-1$ |
bcbea6a6 FC |
467 | private ITmfTimestamp safeTimestamp = null; |
468 | private TmfTimeRange timeRange = null; | |
1b70b6dc PT |
469 | |
470 | @Override | |
471 | public void run() { | |
472 | while (!fExecutor.isShutdown()) { | |
9e0640dc | 473 | if (!getIndexer().isIndexing()) { |
a4115405 FC |
474 | ITmfTimestamp startTimestamp = TmfTimestamp.BIG_CRUNCH; |
475 | ITmfTimestamp endTimestamp = TmfTimestamp.BIG_BANG; | |
cbdacf03 FC |
476 | for (final ITmfTrace<T> trace : fTraces) { |
477 | if (trace.getStartTime().compareTo(startTimestamp) < 0) | |
1b70b6dc | 478 | startTimestamp = trace.getStartTime(); |
cbdacf03 | 479 | if (trace.getStreamingInterval() != 0 && trace.getEndTime().compareTo(endTimestamp) > 0) |
1b70b6dc | 480 | endTimestamp = trace.getEndTime(); |
1b70b6dc | 481 | } |
cbdacf03 | 482 | if (safeTimestamp != null && safeTimestamp.compareTo(getTimeRange().getEndTime(), false) > 0) |
1b70b6dc | 483 | timeRange = new TmfTimeRange(startTimestamp, safeTimestamp); |
cbdacf03 | 484 | else |
1b70b6dc | 485 | timeRange = null; |
1b70b6dc PT |
486 | safeTimestamp = endTimestamp; |
487 | if (timeRange != null) { | |
cbdacf03 | 488 | final TmfExperimentRangeUpdatedSignal signal = |
1b70b6dc PT |
489 | new TmfExperimentRangeUpdatedSignal(TmfExperiment.this, TmfExperiment.this, timeRange); |
490 | broadcast(signal); | |
491 | } | |
492 | } | |
493 | try { | |
494 | Thread.sleep(getStreamingInterval()); | |
cbdacf03 | 495 | } catch (final InterruptedException e) { |
1b70b6dc PT |
496 | e.printStackTrace(); |
497 | } | |
498 | } | |
499 | } | |
500 | }; | |
501 | thread.start(); | |
502 | } | |
503 | ||
9e0640dc | 504 | /* (non-Javadoc) |
1b70b6dc PT |
505 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#getStreamingInterval() |
506 | */ | |
507 | @Override | |
508 | public long getStreamingInterval() { | |
509 | long interval = 0; | |
cbdacf03 | 510 | for (final ITmfTrace<T> trace : fTraces) |
1b70b6dc | 511 | interval = Math.max(interval, trace.getStreamingInterval()); |
1b70b6dc PT |
512 | return interval; |
513 | } | |
514 | ||
8c8bf09f ASL |
515 | // ------------------------------------------------------------------------ |
516 | // Signal handlers | |
517 | // ------------------------------------------------------------------------ | |
518 | ||
9e0640dc | 519 | private Integer fEndSynchReference; |
c32744d6 | 520 | |
9e0640dc FC |
521 | /** |
522 | * Signal handler for the TmfExperimentSelectedSignal signal | |
523 | * | |
524 | * @param signal | |
525 | */ | |
8c8bf09f | 526 | @TmfSignalHandler |
cbdacf03 FC |
527 | public void experimentSelected(final TmfExperimentSelectedSignal<T> signal) { |
528 | final TmfExperiment<?> experiment = signal.getExperiment(); | |
a79913eb FC |
529 | if (experiment == this) { |
530 | setCurrentExperiment(experiment); | |
6e85c58d | 531 | fEndSynchReference = Integer.valueOf(signal.getReference()); |
a79913eb | 532 | } |
8c8bf09f ASL |
533 | } |
534 | ||
9e0640dc FC |
535 | /** |
536 | * Signal handler for the TmfEndSynchSignal signal | |
537 | * | |
538 | * @param signal | |
539 | */ | |
1b70b6dc | 540 | @TmfSignalHandler |
cbdacf03 | 541 | public void endSync(final TmfEndSynchSignal signal) { |
1b70b6dc PT |
542 | if (fEndSynchReference != null && fEndSynchReference.intValue() == signal.getReference()) { |
543 | fEndSynchReference = null; | |
544 | initializeStreamingMonitor(); | |
545 | } | |
1b70b6dc PT |
546 | } |
547 | ||
828e5592 | 548 | /** |
9e0640dc | 549 | * Signal handler for the TmfTraceUpdatedSignal signal |
cbdacf03 | 550 | * |
9e0640dc | 551 | * @param signal |
828e5592 | 552 | */ |
9e0640dc FC |
553 | @TmfSignalHandler |
554 | public void traceUpdated(final TmfTraceUpdatedSignal signal) { | |
555 | if (signal.getTrace() == this) { | |
556 | broadcast(new TmfExperimentUpdatedSignal(this, this)); | |
557 | } | |
a1091415 PT |
558 | } |
559 | ||
560 | /** | |
9e0640dc | 561 | * Signal handler for the TmfExperimentRangeUpdatedSignal signal |
cbdacf03 | 562 | * |
9e0640dc | 563 | * @param signal |
a1091415 | 564 | */ |
9e0640dc FC |
565 | @TmfSignalHandler |
566 | public void experimentRangeUpdated(final TmfExperimentRangeUpdatedSignal signal) { | |
567 | if (signal.getExperiment() == this) { | |
568 | getIndexer().buildIndex(getNbEvents(), signal.getRange(), false); | |
569 | } | |
a1091415 PT |
570 | } |
571 | ||
4dc47e28 | 572 | } |