Commit | Line | Data |
---|---|---|
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 | |
9b749023 | 91 | * @throws TmfTraceException |
9e0640dc FC |
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 |
9b749023 | 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) { |
9b749023 | 140 | for (final ITmfTrace trace : fTraces) { |
a79913eb | 141 | trace.dispose(); |
9b749023 | 142 | } |
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 | |
9b749023 | 173 | * |
9e0640dc FC |
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... | |
9b749023 | 192 | * |
9e0640dc FC |
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. | |
9b749023 | 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 | |
9b749023 | 214 | * |
9e0640dc FC |
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 | |
9b749023 | 223 | * |
9e0640dc FC |
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) { |
9b749023 | 239 | |
6a953367 BH |
240 | // Make sure we have something to read from |
241 | if (fTraces == null) { | |
242 | return null; | |
243 | } | |
9b749023 | 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 | ||
f3fd42d1 FC |
267 | /* (non-Javadoc) |
268 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#seekEvent(long) | |
9b749023 | 269 | * |
f3fd42d1 FC |
270 | * TmfTrace.seekEvent(rank) will return a context that will position the |
271 | * trace to read the event at rank 'rank' in the trace. In the case of an | |
272 | * experiment context, that event has to be actually read in the fEvents | |
273 | * buffer and the corresponding trace context has to point to the next | |
274 | * event (rank + 1) in the trace (the sum of the traces contexts ranks | |
275 | * should equal [exp context rank + #traces] (corner cases not considered). | |
9b749023 | 276 | * |
f3fd42d1 FC |
277 | * In the likely case that TmfTrace.seekEvent() computed the context |
278 | * by using a read loop (reading from the experiment), the 'lastTraceRead' | |
279 | * field will be set to the actual trace that needs to be read to obtain | |
280 | * event at rank 'rank'. | |
9b749023 | 281 | * |
f3fd42d1 FC |
282 | * Therefore, if 'lastTraceRead' is set, we need to read that particular |
283 | * trace *and* then decrease the context rank (which has to correspond to | |
284 | * the rank of the event to be returned next by TmfExperiemnt.getNext(). | |
285 | */ | |
286 | @Override | |
287 | public synchronized ITmfContext seekEvent(final long rank) { | |
288 | TmfExperimentContext context = (TmfExperimentContext) super.seekEvent(rank); | |
289 | int lastTrace = context.getLastTrace(); | |
290 | if (lastTrace != TmfExperimentContext.NO_TRACE) { | |
291 | getNext(context); | |
292 | context.setRank(rank); | |
293 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
294 | } | |
295 | return context; | |
296 | } | |
297 | ||
9e0640dc FC |
298 | /* (non-Javadoc) |
299 | * | |
9b749023 | 300 | * Returns a brand new context based on the location provided and |
9e0640dc | 301 | * initializes the event queues |
9b749023 | 302 | * |
9e0640dc FC |
303 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) |
304 | */ | |
a79913eb | 305 | @Override |
9e0640dc | 306 | public synchronized ITmfContext seekEvent(final ITmfLocation<?> location) { |
a79913eb | 307 | // Validate the location |
9e0640dc | 308 | if (location != null && !(location instanceof TmfExperimentLocation)) { |
a79913eb | 309 | return null; // Throw an exception? |
9e0640dc FC |
310 | } |
311 | // Make sure we have something to read from | |
312 | if (fTraces == null) { | |
a79913eb | 313 | return null; |
9e0640dc | 314 | } |
8f50c396 | 315 | |
a79913eb | 316 | // Instantiate the location |
9e0640dc | 317 | final TmfExperimentLocation expLocation = (location == null) |
9b749023 | 318 | ? new TmfExperimentLocation(new TmfLocationArray(new ITmfLocation<?>[fTraces.length])) |
9e0640dc | 319 | : (TmfExperimentLocation) location.clone(); |
8f50c396 | 320 | |
a79913eb | 321 | // Create and populate the context's traces contexts |
0316808c | 322 | final TmfExperimentContext context = new TmfExperimentContext(new ITmfContext[fTraces.length]); |
9b635e61 | 323 | |
a79913eb FC |
324 | for (int i = 0; i < fTraces.length; i++) { |
325 | // Get the relevant trace attributes | |
5cc97265 FC |
326 | final ITmfLocation<?> trcLocation = expLocation.getLocation().getLocations()[i]; |
327 | context.getContexts()[i] = fTraces[i].seekEvent(trcLocation); | |
328 | expLocation.getLocation().getLocations()[i] = context.getContexts()[i].getLocation().clone(); | |
c32744d6 | 329 | context.getEvents()[i] = fTraces[i].getNext(context.getContexts()[i]); |
a79913eb | 330 | } |
8f50c396 | 331 | |
a79913eb FC |
332 | // Finalize context |
333 | context.setLocation(expLocation); | |
334 | context.setLastTrace(TmfExperimentContext.NO_TRACE); | |
5cc97265 | 335 | context.setRank(ITmfContext.UNKNOWN_RANK); |
49e2f79a FC |
336 | |
337 | fExperimentContext = context; | |
9b749023 | 338 | return context; |
a79913eb | 339 | } |
9f584e4c | 340 | |
3bd44ac8 FC |
341 | // ------------------------------------------------------------------------ |
342 | // ITmfTrace - SeekEvent operations (returning a trace context) | |
343 | // ------------------------------------------------------------------------ | |
344 | ||
9e0640dc FC |
345 | /* (non-Javadoc) |
346 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#seekEvent(double) | |
347 | */ | |
c76c54bb | 348 | @Override |
0316808c FC |
349 | public ITmfContext seekEvent(final double ratio) { |
350 | final ITmfContext context = seekEvent((long) (ratio * getNbEvents())); | |
c76c54bb FC |
351 | return context; |
352 | } | |
353 | ||
9e0640dc FC |
354 | /* (non-Javadoc) |
355 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getLocationRatio(org.eclipse.linuxtools.tmf.core.trace.ITmfLocation) | |
356 | */ | |
a79913eb | 357 | @Override |
cbdacf03 | 358 | public double getLocationRatio(final ITmfLocation<?> location) { |
9e0640dc | 359 | if (location instanceof TmfExperimentLocation) { |
5cc97265 | 360 | return (double) seekEvent(location).getRank() / getNbEvents(); |
9e0640dc FC |
361 | } |
362 | return 0.0; | |
c76c54bb FC |
363 | } |
364 | ||
9e0640dc FC |
365 | /* (non-Javadoc) |
366 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getCurrentLocation() | |
367 | */ | |
a79913eb FC |
368 | @Override |
369 | public ITmfLocation<?> getCurrentLocation() { | |
5cc97265 | 370 | ITmfLocation<?>[] locations = new ITmfLocation<?>[fTraces.length]; |
a87cc4ef | 371 | for (int i = 0; i < fTraces.length; i++) { |
5cc97265 | 372 | locations[i] = fTraces[i].getCurrentLocation(); |
a87cc4ef FC |
373 | } |
374 | return new TmfExperimentLocation(new TmfLocationArray(locations)); | |
a79913eb | 375 | } |
c76c54bb | 376 | |
9e0640dc FC |
377 | // ------------------------------------------------------------------------ |
378 | // ITmfTrace trace positioning | |
379 | // ------------------------------------------------------------------------ | |
380 | ||
07671572 | 381 | /* (non-Javadoc) |
408e65d2 | 382 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfEventParser#parseEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
07671572 FC |
383 | */ |
384 | @Override | |
408e65d2 FC |
385 | public synchronized T parseEvent(final ITmfContext context) { |
386 | final ITmfContext savedContext = context.clone(); | |
387 | final T event = getNext(savedContext); | |
07671572 FC |
388 | return event; |
389 | } | |
a79913eb | 390 | |
ce2388e0 | 391 | /* (non-Javadoc) |
408e65d2 | 392 | * @see org.eclipse.linuxtools.tmf.core.trace.TmfTrace#getNext(org.eclipse.linuxtools.tmf.core.trace.ITmfContext) |
a79913eb | 393 | */ |
0316808c | 394 | @Override |
3bd44ac8 | 395 | @SuppressWarnings("unchecked") |
408e65d2 | 396 | public synchronized T getNext(ITmfContext context) { |
a79913eb FC |
397 | |
398 | // Validate the context | |
9e0640dc | 399 | if (!(context instanceof TmfExperimentContext)) { |
a79913eb | 400 | return null; // Throw an exception? |
9e0640dc | 401 | } |
0e8c76f8 BH |
402 | |
403 | // Make sure that we have something to read from | |
404 | if (fTraces == null) { | |
405 | return null; | |
406 | } | |
407 | ||
a87cc4ef | 408 | TmfExperimentContext expContext = (TmfExperimentContext) context; |
a79913eb | 409 | |
a87cc4ef | 410 | // If an event was consumed previously, first get the next one from that trace |
cbdacf03 | 411 | final int lastTrace = expContext.getLastTrace(); |
a79913eb | 412 | if (lastTrace != TmfExperimentContext.NO_TRACE) { |
cbdacf03 | 413 | final ITmfContext traceContext = expContext.getContexts()[lastTrace]; |
f3fd42d1 FC |
414 | |
415 | TmfExperimentLocation location = (TmfExperimentLocation) expContext.getLocation(); | |
416 | if (location != null) { | |
417 | location.getLocation().getLocations()[lastTrace] = traceContext.getLocation().clone(); | |
418 | } | |
419 | ||
c32744d6 | 420 | expContext.getEvents()[lastTrace] = fTraces[lastTrace].getNext(traceContext); |
a79913eb | 421 | expContext.setLastTrace(TmfExperimentContext.NO_TRACE); |
a79913eb FC |
422 | } |
423 | ||
424 | // Scan the candidate events and identify the "next" trace to read from | |
425 | int trace = TmfExperimentContext.NO_TRACE; | |
a4115405 | 426 | ITmfTimestamp timestamp = TmfTimestamp.BIG_CRUNCH; |
0316808c | 427 | for (int i = 0; i < fTraces.length; i++) { |
cbdacf03 | 428 | final ITmfEvent event = expContext.getEvents()[i]; |
a79913eb | 429 | if (event != null && event.getTimestamp() != null) { |
cbdacf03 | 430 | final ITmfTimestamp otherTS = event.getTimestamp(); |
a79913eb FC |
431 | if (otherTS.compareTo(timestamp, true) < 0) { |
432 | trace = i; | |
433 | timestamp = otherTS; | |
434 | } | |
435 | } | |
436 | } | |
a87cc4ef FC |
437 | |
438 | T event = null; | |
07671572 | 439 | if (trace != TmfExperimentContext.NO_TRACE) { |
a87cc4ef | 440 | event = (T) expContext.getEvents()[trace]; |
408e65d2 FC |
441 | if (event != null) { |
442 | updateAttributes(expContext, event.getTimestamp()); | |
408e65d2 FC |
443 | expContext.increaseRank(); |
444 | expContext.setLastTrace(trace); | |
445 | fExperimentContext = expContext; | |
446 | processEvent(event); | |
447 | } | |
07671572 | 448 | } |
a87cc4ef | 449 | |
a87cc4ef | 450 | return event; |
a79913eb FC |
451 | } |
452 | ||
bcbea6a6 | 453 | /* (non-Javadoc) |
a79913eb FC |
454 | * @see java.lang.Object#toString() |
455 | */ | |
456 | @Override | |
3b38ea61 | 457 | @SuppressWarnings("nls") |
9b749023 | 458 | public synchronized String toString() { |
a79913eb FC |
459 | return "[TmfExperiment (" + getName() + ")]"; |
460 | } | |
8c8bf09f ASL |
461 | |
462 | // ------------------------------------------------------------------------ | |
9e0640dc | 463 | // Streaming support |
8c8bf09f ASL |
464 | // ------------------------------------------------------------------------ |
465 | ||
1b70b6dc | 466 | private synchronized void initializeStreamingMonitor() { |
9e0640dc FC |
467 | |
468 | if (fInitialized) { | |
828e5592 | 469 | return; |
9e0640dc | 470 | } |
828e5592 PT |
471 | fInitialized = true; |
472 | ||
1b70b6dc | 473 | if (getStreamingInterval() == 0) { |
0316808c | 474 | final ITmfContext context = seekEvent(0); |
cbdacf03 | 475 | final ITmfEvent event = getNext(context); |
9b749023 | 476 | if (event == null) { |
1b70b6dc | 477 | return; |
9b749023 | 478 | } |
cbdacf03 | 479 | final TmfTimeRange timeRange = new TmfTimeRange(event.getTimestamp().clone(), TmfTimestamp.BIG_CRUNCH); |
828e5592 PT |
480 | final TmfExperimentRangeUpdatedSignal signal = new TmfExperimentRangeUpdatedSignal(this, this, timeRange); |
481 | ||
482 | // Broadcast in separate thread to prevent deadlock | |
483 | new Thread() { | |
484 | @Override | |
485 | public void run() { | |
486 | broadcast(signal); | |
487 | } | |
488 | }.start(); | |
1b70b6dc PT |
489 | return; |
490 | } | |
491 | ||
9e0640dc | 492 | final Thread thread = new Thread("Streaming Monitor for experiment " + getName()) { //$NON-NLS-1$ |
bcbea6a6 FC |
493 | private ITmfTimestamp safeTimestamp = null; |
494 | private TmfTimeRange timeRange = null; | |
1b70b6dc PT |
495 | |
496 | @Override | |
497 | public void run() { | |
498 | while (!fExecutor.isShutdown()) { | |
9e0640dc | 499 | if (!getIndexer().isIndexing()) { |
a4115405 FC |
500 | ITmfTimestamp startTimestamp = TmfTimestamp.BIG_CRUNCH; |
501 | ITmfTimestamp endTimestamp = TmfTimestamp.BIG_BANG; | |
cbdacf03 | 502 | for (final ITmfTrace<T> trace : fTraces) { |
9b749023 | 503 | if (trace.getStartTime().compareTo(startTimestamp) < 0) { |
1b70b6dc | 504 | startTimestamp = trace.getStartTime(); |
9b749023 AM |
505 | } |
506 | if (trace.getStreamingInterval() != 0 && trace.getEndTime().compareTo(endTimestamp) > 0) { | |
1b70b6dc | 507 | endTimestamp = trace.getEndTime(); |
9b749023 | 508 | } |
1b70b6dc | 509 | } |
9b749023 | 510 | if (safeTimestamp != null && safeTimestamp.compareTo(getTimeRange().getEndTime(), false) > 0) { |
1b70b6dc | 511 | timeRange = new TmfTimeRange(startTimestamp, safeTimestamp); |
9b749023 | 512 | } else { |
1b70b6dc | 513 | timeRange = null; |
9b749023 | 514 | } |
1b70b6dc PT |
515 | safeTimestamp = endTimestamp; |
516 | if (timeRange != null) { | |
cbdacf03 | 517 | final TmfExperimentRangeUpdatedSignal signal = |
1b70b6dc PT |
518 | new TmfExperimentRangeUpdatedSignal(TmfExperiment.this, TmfExperiment.this, timeRange); |
519 | broadcast(signal); | |
520 | } | |
521 | } | |
522 | try { | |
523 | Thread.sleep(getStreamingInterval()); | |
cbdacf03 | 524 | } catch (final InterruptedException e) { |
1b70b6dc PT |
525 | e.printStackTrace(); |
526 | } | |
527 | } | |
528 | } | |
529 | }; | |
530 | thread.start(); | |
531 | } | |
532 | ||
9e0640dc | 533 | /* (non-Javadoc) |
1b70b6dc PT |
534 | * @see org.eclipse.linuxtools.tmf.trace.ITmfTrace#getStreamingInterval() |
535 | */ | |
536 | @Override | |
537 | public long getStreamingInterval() { | |
538 | long interval = 0; | |
9b749023 | 539 | for (final ITmfTrace<T> trace : fTraces) { |
1b70b6dc | 540 | interval = Math.max(interval, trace.getStreamingInterval()); |
9b749023 | 541 | } |
1b70b6dc PT |
542 | return interval; |
543 | } | |
544 | ||
8c8bf09f ASL |
545 | // ------------------------------------------------------------------------ |
546 | // Signal handlers | |
547 | // ------------------------------------------------------------------------ | |
548 | ||
9e0640dc | 549 | private Integer fEndSynchReference; |
c32744d6 | 550 | |
9e0640dc FC |
551 | /** |
552 | * Signal handler for the TmfExperimentSelectedSignal signal | |
9b749023 | 553 | * |
9e0640dc FC |
554 | * @param signal |
555 | */ | |
8c8bf09f | 556 | @TmfSignalHandler |
cbdacf03 FC |
557 | public void experimentSelected(final TmfExperimentSelectedSignal<T> signal) { |
558 | final TmfExperiment<?> experiment = signal.getExperiment(); | |
a79913eb FC |
559 | if (experiment == this) { |
560 | setCurrentExperiment(experiment); | |
6e85c58d | 561 | fEndSynchReference = Integer.valueOf(signal.getReference()); |
a79913eb | 562 | } |
8c8bf09f ASL |
563 | } |
564 | ||
9e0640dc FC |
565 | /** |
566 | * Signal handler for the TmfEndSynchSignal signal | |
9b749023 | 567 | * |
9e0640dc FC |
568 | * @param signal |
569 | */ | |
1b70b6dc | 570 | @TmfSignalHandler |
cbdacf03 | 571 | public void endSync(final TmfEndSynchSignal signal) { |
1b70b6dc PT |
572 | if (fEndSynchReference != null && fEndSynchReference.intValue() == signal.getReference()) { |
573 | fEndSynchReference = null; | |
574 | initializeStreamingMonitor(); | |
575 | } | |
1b70b6dc PT |
576 | } |
577 | ||
828e5592 | 578 | /** |
9e0640dc | 579 | * Signal handler for the TmfTraceUpdatedSignal signal |
9b749023 | 580 | * |
9e0640dc | 581 | * @param signal |
828e5592 | 582 | */ |
9e0640dc FC |
583 | @TmfSignalHandler |
584 | public void traceUpdated(final TmfTraceUpdatedSignal signal) { | |
585 | if (signal.getTrace() == this) { | |
586 | broadcast(new TmfExperimentUpdatedSignal(this, this)); | |
587 | } | |
a1091415 PT |
588 | } |
589 | ||
590 | /** | |
9e0640dc | 591 | * Signal handler for the TmfExperimentRangeUpdatedSignal signal |
9b749023 | 592 | * |
9e0640dc | 593 | * @param signal |
a1091415 | 594 | */ |
9e0640dc FC |
595 | @TmfSignalHandler |
596 | public void experimentRangeUpdated(final TmfExperimentRangeUpdatedSignal signal) { | |
597 | if (signal.getExperiment() == this) { | |
598 | getIndexer().buildIndex(getNbEvents(), signal.getRange(), false); | |
599 | } | |
a1091415 PT |
600 | } |
601 | ||
4dc47e28 | 602 | } |