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866e5b51 | 1 | /******************************************************************************* |
1ae2ec14 | 2 | * Copyright (c) 2011, 2015 Ericsson, Ecole Polytechnique de Montreal and others |
866e5b51 FC |
3 | * |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * 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: Matthew Khouzam - Initial API and implementation | |
10 | * Contributors: Simon Marchi - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
f357bcd4 | 13 | package org.eclipse.tracecompass.ctf.core.trace; |
866e5b51 | 14 | |
b3151232 MK |
15 | import java.io.File; |
16 | import java.io.IOException; | |
42f8feff | 17 | import java.nio.ByteBuffer; |
b3151232 | 18 | import java.nio.channels.FileChannel; |
42f8feff | 19 | import java.nio.channels.FileChannel.MapMode; |
b3151232 | 20 | import java.nio.file.StandardOpenOption; |
42f8feff | 21 | import java.util.List; |
866e5b51 | 22 | |
90cefe9f MK |
23 | import org.eclipse.jdt.annotation.NonNullByDefault; |
24 | import org.eclipse.jdt.annotation.Nullable; | |
25 | import org.eclipse.tracecompass.common.core.NonNullUtils; | |
680f9173 | 26 | import org.eclipse.tracecompass.ctf.core.CTFException; |
f357bcd4 AM |
27 | import org.eclipse.tracecompass.ctf.core.event.EventDefinition; |
28 | import org.eclipse.tracecompass.ctf.core.event.IEventDeclaration; | |
42f8feff MK |
29 | import org.eclipse.tracecompass.ctf.core.event.io.BitBuffer; |
30 | import org.eclipse.tracecompass.ctf.core.event.types.IDeclaration; | |
f357bcd4 AM |
31 | import org.eclipse.tracecompass.ctf.core.event.types.StructDeclaration; |
32 | import org.eclipse.tracecompass.internal.ctf.core.Activator; | |
42f8feff MK |
33 | import org.eclipse.tracecompass.internal.ctf.core.SafeMappedByteBuffer; |
34 | import org.eclipse.tracecompass.internal.ctf.core.trace.CTFPacketReader; | |
35 | import org.eclipse.tracecompass.internal.ctf.core.trace.NullPacketReader; | |
53359017 | 36 | |
866e5b51 | 37 | /** |
d37aaa7f | 38 | * A CTF trace event reader. Reads the events of a trace file. |
32ede2ec | 39 | * |
d37aaa7f FC |
40 | * @author Matthew Khouzam |
41 | * @author Simon Marchi | |
bbf3873a | 42 | * @since 2.0 |
866e5b51 | 43 | */ |
90cefe9f | 44 | @NonNullByDefault |
d84419e1 | 45 | public class CTFStreamInputReader implements AutoCloseable { |
866e5b51 | 46 | |
42f8feff MK |
47 | private static final int BITS_PER_BYTE = Byte.SIZE; |
48 | ||
866e5b51 FC |
49 | // ------------------------------------------------------------------------ |
50 | // Attributes | |
51 | // ------------------------------------------------------------------------ | |
52 | ||
53 | /** | |
54 | * The StreamInput we are reading. | |
55 | */ | |
90cefe9f | 56 | private final File fFile; |
b3151232 | 57 | |
90cefe9f | 58 | private final CTFStreamInput fStreamInput; |
866e5b51 | 59 | |
90cefe9f | 60 | private final @Nullable FileChannel fFileChannel; |
b3151232 | 61 | |
866e5b51 FC |
62 | /** |
63 | * The packet reader used to read packets from this trace file. | |
64 | */ | |
42f8feff | 65 | private IPacketReader fPacketReader; |
866e5b51 FC |
66 | |
67 | /** | |
68 | * Iterator on the packet index | |
69 | */ | |
93a45b54 | 70 | private int fPacketIndex; |
866e5b51 FC |
71 | |
72 | /** | |
73 | * Reference to the current event of this trace file (iow, the last on that | |
74 | * was read, the next one to be returned) | |
75 | */ | |
90cefe9f | 76 | private @Nullable EventDefinition fCurrentEvent = null; |
866e5b51 | 77 | |
93a45b54 | 78 | private int fId; |
866e5b51 | 79 | |
6a5251eb MK |
80 | /** |
81 | * Live trace reading | |
82 | */ | |
83 | private boolean fLive = false; | |
84 | ||
866e5b51 FC |
85 | // ------------------------------------------------------------------------ |
86 | // Constructors | |
87 | // ------------------------------------------------------------------------ | |
866e5b51 FC |
88 | /** |
89 | * Constructs a StreamInputReader that reads a StreamInput. | |
90 | * | |
91 | * @param streamInput | |
92 | * The StreamInput to read. | |
680f9173 | 93 | * @throws CTFException |
b3151232 | 94 | * If the file cannot be opened |
866e5b51 | 95 | */ |
680f9173 | 96 | public CTFStreamInputReader(CTFStreamInput streamInput) throws CTFException { |
93a45b54 | 97 | fStreamInput = streamInput; |
b3151232 MK |
98 | fFile = fStreamInput.getFile(); |
99 | try { | |
100 | fFileChannel = FileChannel.open(fFile.toPath(), StandardOpenOption.READ); | |
101 | } catch (IOException e) { | |
680f9173 | 102 | throw new CTFIOException(e); |
b3151232 | 103 | } |
1ae2ec14 | 104 | try { |
1ae2ec14 MAL |
105 | /* |
106 | * Get the iterator on the packet index. | |
107 | */ | |
108 | fPacketIndex = 0; | |
109 | /* | |
110 | * Make first packet the current one. | |
111 | */ | |
42f8feff MK |
112 | // did we already index the packet? |
113 | if (getPacketSize() < (fPacketIndex + 1)) { | |
114 | // go to the next packet if there is one, index it at the same | |
115 | // time | |
116 | if (fStreamInput.addPacketHeaderIndex()) { | |
117 | fPacketIndex = getPacketSize() - 1; | |
118 | } | |
119 | } | |
120 | ICTFPacketDescriptor packet = getPacket(); | |
121 | fPacketReader = getCurrentPacketReader(packet); | |
1ae2ec14 MAL |
122 | } catch (Exception e) { |
123 | try { | |
124 | close(); | |
125 | } catch (IOException e1) { | |
126 | // Ignore | |
127 | } | |
128 | throw e; | |
129 | } | |
866e5b51 FC |
130 | } |
131 | ||
42f8feff MK |
132 | private IPacketReader getCurrentPacketReader(@Nullable ICTFPacketDescriptor packet) throws CTFException { |
133 | IPacketReader ctfPacketReader = NullPacketReader.INSTANCE; | |
134 | if (packet != null) { | |
135 | long size = packet.getContentSizeBits(); | |
136 | if (size < 0) { | |
137 | throw new CTFIOException("Cannot have negative sized buffers."); //$NON-NLS-1$ | |
138 | } | |
139 | BitBuffer bitBuffer = new BitBuffer(getByteBufferAt(packet.getOffsetBits(), size)); | |
140 | bitBuffer.position(packet.getPayloadStartBits()); | |
141 | IDeclaration eventHeaderDeclaration = getStreamInput().getStream().getEventHeaderDeclaration(); | |
142 | CTFTrace trace = getStreamInput().getStream().getTrace(); | |
32ea78ed | 143 | ctfPacketReader = new CTFPacketReader(bitBuffer, packet, getEventDeclarations(), eventHeaderDeclaration, getStreamEventContextDecl(), trace.getPacketHeaderDef(), trace); |
42f8feff MK |
144 | } |
145 | return ctfPacketReader; | |
146 | } | |
147 | ||
148 | /** | |
149 | * Get a bytebuffer map of the file | |
150 | * | |
151 | * @param position | |
152 | * start offset in bits | |
153 | * @param size | |
154 | * size of the map in bits, use caution | |
155 | * @return a byte buffer | |
156 | * @throws CTFException | |
157 | * if the map failed in its allocation | |
158 | * | |
159 | * @since 2.0 | |
160 | */ | |
161 | public ByteBuffer getByteBufferAt(long position, long size) throws CTFException { | |
162 | ByteBuffer map; | |
163 | try { | |
164 | map = SafeMappedByteBuffer.map(fFileChannel, MapMode.READ_ONLY, position / BITS_PER_BYTE, (size + BITS_PER_BYTE - 1) / BITS_PER_BYTE); | |
165 | } catch (IOException e) { | |
166 | throw new CTFIOException(e.getMessage(), e); | |
167 | } | |
168 | if (map == null) { | |
169 | throw new CTFIOException("Failed to allocate mapped byte buffer"); //$NON-NLS-1$ | |
170 | } | |
171 | return map; | |
172 | } | |
173 | ||
5d1c6919 | 174 | /** |
b3151232 MK |
175 | * Dispose the StreamInputReader, closes the file channel and its packet |
176 | * reader | |
177 | * | |
178 | * @throws IOException | |
179 | * If an I/O error occurs | |
5d1c6919 | 180 | */ |
dd9752d5 | 181 | @Override |
b3151232 | 182 | public void close() throws IOException { |
1ae2ec14 MAL |
183 | if (fFileChannel != null) { |
184 | fFileChannel.close(); | |
185 | } | |
42f8feff | 186 | fPacketReader = NullPacketReader.INSTANCE; |
5d1c6919 PT |
187 | } |
188 | ||
866e5b51 FC |
189 | // ------------------------------------------------------------------------ |
190 | // Getters/Setters/Predicates | |
191 | // ------------------------------------------------------------------------ | |
192 | ||
9ac2eb62 MK |
193 | /** |
194 | * Gets the current event in this stream | |
195 | * | |
196 | * @return the current event in the stream, null if the stream is | |
197 | * finished/empty/malformed | |
198 | */ | |
90cefe9f | 199 | public @Nullable EventDefinition getCurrentEvent() { |
93a45b54 | 200 | return fCurrentEvent; |
866e5b51 FC |
201 | } |
202 | ||
9ac2eb62 MK |
203 | /** |
204 | * Gets the name of the stream (it's an id and a number) | |
205 | * | |
206 | * @return gets the stream name (it's a number) | |
207 | */ | |
866e5b51 | 208 | public int getName() { |
93a45b54 | 209 | return fId; |
866e5b51 FC |
210 | } |
211 | ||
9ac2eb62 MK |
212 | /** |
213 | * Sets the name of the stream | |
214 | * | |
215 | * @param name | |
216 | * the name of the stream, (it's a number) | |
217 | */ | |
866e5b51 | 218 | public void setName(int name) { |
93a45b54 | 219 | fId = name; |
866e5b51 FC |
220 | } |
221 | ||
9ac2eb62 MK |
222 | /** |
223 | * Gets the CPU of a stream. It's the same as the one in /proc or running | |
224 | * the asm CPUID instruction | |
225 | * | |
226 | * @return The CPU id (a number) | |
227 | */ | |
866e5b51 | 228 | public int getCPU() { |
93a45b54 | 229 | return fPacketReader.getCPU(); |
866e5b51 FC |
230 | } |
231 | ||
9ac2eb62 MK |
232 | /** |
233 | * Gets the filename of the stream being read | |
db8e8f7d | 234 | * |
9ac2eb62 MK |
235 | * @return The filename of the stream being read |
236 | */ | |
ce2388e0 | 237 | public String getFilename() { |
93a45b54 | 238 | return fStreamInput.getFilename(); |
ce2388e0 FC |
239 | } |
240 | ||
241 | /* | |
242 | * for internal use only | |
243 | */ | |
d84419e1 | 244 | CTFStreamInput getStreamInput() { |
93a45b54 | 245 | return fStreamInput; |
ce2388e0 FC |
246 | } |
247 | ||
53359017 MK |
248 | /** |
249 | * Gets the event definition set for this StreamInput | |
250 | * | |
251 | * @return Unmodifiable set with the event definitions | |
42f8feff | 252 | * @since 2.0 |
53359017 | 253 | */ |
32ea78ed | 254 | public List<@Nullable IEventDeclaration> getEventDeclarations() { |
42f8feff | 255 | return fStreamInput.getStream().getEventDeclarations(); |
53359017 MK |
256 | } |
257 | ||
6a5251eb MK |
258 | /** |
259 | * Set the trace to live mode | |
260 | * | |
261 | * @param live | |
262 | * whether the trace is read live or not | |
6a5251eb MK |
263 | */ |
264 | public void setLive(boolean live) { | |
265 | fLive = live; | |
266 | } | |
267 | ||
268 | /** | |
269 | * Get if the trace is to read live or not | |
270 | * | |
271 | * @return whether the trace is live or not | |
6a5251eb MK |
272 | */ |
273 | public boolean isLive() { | |
274 | return fLive; | |
275 | } | |
276 | ||
a4fa4e36 MK |
277 | /** |
278 | * Get the event context of the stream | |
279 | * | |
280 | * @return the event context declaration of the stream | |
a4fa4e36 | 281 | */ |
90cefe9f | 282 | public @Nullable StructDeclaration getStreamEventContextDecl() { |
a4fa4e36 MK |
283 | return getStreamInput().getStream().getEventContextDecl(); |
284 | } | |
285 | ||
866e5b51 FC |
286 | // ------------------------------------------------------------------------ |
287 | // Operations | |
288 | // ------------------------------------------------------------------------ | |
289 | /** | |
290 | * Reads the next event in the current event variable. | |
291 | * | |
292 | * @return If an event has been successfully read. | |
680f9173 | 293 | * @throws CTFException |
db8e8f7d | 294 | * if an error occurs |
866e5b51 | 295 | */ |
680f9173 | 296 | public CTFResponse readNextEvent() throws CTFException { |
bfe038ff | 297 | |
866e5b51 FC |
298 | /* |
299 | * Change packet if needed | |
300 | */ | |
93a45b54 | 301 | if (!fPacketReader.hasMoreEvents()) { |
90cefe9f | 302 | final ICTFPacketDescriptor prevPacket = fPacketReader.getCurrentPacket(); |
a4fa4e36 | 303 | if (prevPacket != null || fLive) { |
bfe038ff | 304 | goToNextPacket(); |
bfe038ff | 305 | } |
6a5251eb | 306 | |
866e5b51 FC |
307 | } |
308 | ||
32ede2ec | 309 | /* |
866e5b51 FC |
310 | * If an event is available, read it. |
311 | */ | |
93a45b54 | 312 | if (fPacketReader.hasMoreEvents()) { |
6a5251eb MK |
313 | setCurrentEvent(fPacketReader.readNextEvent()); |
314 | return CTFResponse.OK; | |
866e5b51 FC |
315 | } |
316 | this.setCurrentEvent(null); | |
6a5251eb | 317 | return fLive ? CTFResponse.WAIT : CTFResponse.FINISH; |
866e5b51 FC |
318 | } |
319 | ||
320 | /** | |
321 | * Change the current packet of the packet reader to the next one. | |
db8e8f7d | 322 | * |
680f9173 | 323 | * @throws CTFException |
db8e8f7d | 324 | * if an error occurs |
866e5b51 | 325 | */ |
680f9173 | 326 | private void goToNextPacket() throws CTFException { |
93a45b54 | 327 | fPacketIndex++; |
6a5251eb | 328 | // did we already index the packet? |
42f8feff | 329 | while (getPacketSize() < (fPacketIndex + 1)) { |
6a5251eb | 330 | // go to the next packet if there is one, index it at the same time |
93a45b54 MK |
331 | if (fStreamInput.addPacketHeaderIndex()) { |
332 | fPacketIndex = getPacketSize() - 1; | |
cf9a28da | 333 | } else { |
42f8feff MK |
334 | fPacketReader = NullPacketReader.INSTANCE; |
335 | return; | |
bfe038ff | 336 | } |
42f8feff | 337 | |
866e5b51 | 338 | } |
42f8feff MK |
339 | ICTFPacketDescriptor packet = getPacket(); |
340 | fPacketReader = getCurrentPacketReader(packet); | |
341 | ||
866e5b51 FC |
342 | } |
343 | ||
bfe038ff MK |
344 | /** |
345 | * @return | |
346 | */ | |
347 | private int getPacketSize() { | |
3f02ac64 | 348 | return fStreamInput.getIndex().size(); |
bfe038ff MK |
349 | } |
350 | ||
866e5b51 FC |
351 | /** |
352 | * Changes the location of the trace file reader so that the current event | |
ecb12461 | 353 | * is the first event with a timestamp greater or equal the given timestamp. |
866e5b51 FC |
354 | * |
355 | * @param timestamp | |
356 | * The timestamp to seek to. | |
be6df2d8 | 357 | * @return The offset compared to the current position |
680f9173 | 358 | * @throws CTFException |
db8e8f7d | 359 | * if an error occurs |
866e5b51 | 360 | */ |
680f9173 | 361 | public long seek(long timestamp) throws CTFException { |
ce2388e0 | 362 | long offset = 0; |
866e5b51 | 363 | |
eb94f9c9 | 364 | gotoPacket(timestamp); |
866e5b51 | 365 | |
0c59c1a6 MK |
366 | /* |
367 | * index up to the desired timestamp. | |
368 | */ | |
93a45b54 MK |
369 | while ((fPacketReader.getCurrentPacket() != null) |
370 | && (fPacketReader.getCurrentPacket().getTimestampEnd() < timestamp)) { | |
0c59c1a6 | 371 | try { |
93a45b54 | 372 | fStreamInput.addPacketHeaderIndex(); |
0c59c1a6 | 373 | goToNextPacket(); |
680f9173 | 374 | } catch (CTFException e) { |
0c59c1a6 | 375 | // do nothing here |
b3151232 | 376 | Activator.log(e.getMessage()); |
0c59c1a6 MK |
377 | } |
378 | } | |
93a45b54 | 379 | if (fPacketReader.getCurrentPacket() == null) { |
eb94f9c9 MK |
380 | gotoPacket(timestamp); |
381 | } | |
0c59c1a6 | 382 | |
866e5b51 | 383 | /* |
6a5251eb MK |
384 | * Advance until either of these conditions are met: |
385 | * | |
386 | * - reached the end of the trace file (the given timestamp is after the | |
387 | * last event) | |
388 | * | |
389 | * - found the first event with a timestamp greater or equal the given | |
390 | * timestamp. | |
866e5b51 FC |
391 | */ |
392 | readNextEvent(); | |
90cefe9f MK |
393 | EventDefinition currentEvent = getCurrentEvent(); |
394 | while (currentEvent != null && (currentEvent.getTimestamp() < timestamp)) { | |
866e5b51 | 395 | readNextEvent(); |
90cefe9f | 396 | currentEvent = getCurrentEvent(); |
ce2388e0 | 397 | offset++; |
866e5b51 | 398 | } |
ce2388e0 FC |
399 | return offset; |
400 | } | |
401 | ||
eb94f9c9 MK |
402 | /** |
403 | * @param timestamp | |
6a5251eb | 404 | * the time to seek |
680f9173 | 405 | * @throws CTFException |
db8e8f7d | 406 | * if an error occurs |
eb94f9c9 | 407 | */ |
680f9173 | 408 | private void gotoPacket(long timestamp) throws CTFException { |
6af89f01 | 409 | fPacketIndex = fStreamInput.getIndex().search(timestamp) - 1; |
eb94f9c9 MK |
410 | /* |
411 | * Switch to this packet. | |
412 | */ | |
413 | goToNextPacket(); | |
414 | } | |
415 | ||
9ac2eb62 MK |
416 | /** |
417 | * Seeks the last event of a stream and returns it. | |
db8e8f7d | 418 | * |
680f9173 | 419 | * @throws CTFException |
db8e8f7d | 420 | * if an error occurs |
9ac2eb62 | 421 | */ |
680f9173 | 422 | public void goToLastEvent() throws CTFException { |
ec6f5beb | 423 | |
866e5b51 | 424 | /* |
4a32dd11 | 425 | * Go to the beginning of the trace |
866e5b51 | 426 | */ |
ec6f5beb | 427 | seek(0); |
4a32dd11 | 428 | |
ec6f5beb | 429 | /* |
4a32dd11 | 430 | * Check that there is at least one event |
ec6f5beb | 431 | */ |
3f02ac64 | 432 | if ((fStreamInput.getIndex().isEmpty()) || (!fPacketReader.hasMoreEvents())) { |
ec6f5beb MK |
433 | /* |
434 | * This means the trace is empty. abort. | |
435 | */ | |
436 | return; | |
ce2388e0 | 437 | } |
4a32dd11 MK |
438 | |
439 | fPacketIndex = fStreamInput.getIndex().size() - 1; | |
440 | /* | |
441 | * Go to last indexed packet | |
442 | */ | |
42f8feff | 443 | fPacketReader = getCurrentPacketReader(getPacket()); |
4a32dd11 MK |
444 | |
445 | /* | |
446 | * Keep going until you cannot | |
447 | */ | |
448 | while (fPacketReader.getCurrentPacket() != null) { | |
449 | goToNextPacket(); | |
450 | } | |
451 | ||
452 | final int lastPacketIndex = fStreamInput.getIndex().size() - 1; | |
ec6f5beb MK |
453 | /* |
454 | * Go to the last packet that contains events. | |
455 | */ | |
4a32dd11 | 456 | for (int pos = lastPacketIndex; pos > 0; pos--) { |
93a45b54 | 457 | fPacketIndex = pos; |
42f8feff | 458 | fPacketReader = getCurrentPacketReader(getPacket()); |
4a32dd11 | 459 | |
93a45b54 | 460 | if (fPacketReader.hasMoreEvents()) { |
ec6f5beb MK |
461 | break; |
462 | } | |
866e5b51 | 463 | } |
ec6f5beb MK |
464 | |
465 | /* | |
466 | * Go until the end of that packet | |
467 | */ | |
468 | EventDefinition prevEvent = null; | |
93a45b54 MK |
469 | while (fCurrentEvent != null) { |
470 | prevEvent = fCurrentEvent; | |
ec6f5beb MK |
471 | this.readNextEvent(); |
472 | } | |
473 | /* | |
474 | * Go back to the previous event | |
475 | */ | |
476 | this.setCurrentEvent(prevEvent); | |
866e5b51 FC |
477 | } |
478 | ||
9ac2eb62 MK |
479 | /** |
480 | * Sets the current event in a stream input reader | |
db8e8f7d AM |
481 | * |
482 | * @param currentEvent | |
483 | * the event to set | |
9ac2eb62 | 484 | */ |
90cefe9f | 485 | public void setCurrentEvent(@Nullable EventDefinition currentEvent) { |
93a45b54 | 486 | fCurrentEvent = currentEvent; |
866e5b51 FC |
487 | } |
488 | ||
ce2388e0 FC |
489 | /** |
490 | * @return the packetIndexIt | |
491 | */ | |
bfe038ff | 492 | private int getPacketIndex() { |
93a45b54 | 493 | return fPacketIndex; |
bfe038ff MK |
494 | } |
495 | ||
90cefe9f MK |
496 | private @Nullable ICTFPacketDescriptor getPacket() { |
497 | if (getPacketIndex() >= fStreamInput.getIndex().size()) { | |
498 | return null; | |
499 | } | |
3f02ac64 | 500 | return fStreamInput.getIndex().getElement(getPacketIndex()); |
ce2388e0 FC |
501 | } |
502 | ||
b3151232 | 503 | /** |
42f8feff | 504 | * Get the current packet reader |
b3151232 | 505 | * |
ce2388e0 | 506 | * @return the packetReader |
42f8feff | 507 | * @since 2.0 |
ce2388e0 | 508 | */ |
42f8feff | 509 | public IPacketReader getCurrentPacketReader() { |
93a45b54 | 510 | return fPacketReader; |
ce2388e0 FC |
511 | } |
512 | ||
81c8e6f7 MK |
513 | @Override |
514 | public int hashCode() { | |
515 | final int prime = 31; | |
516 | int result = 1; | |
93a45b54 | 517 | result = (prime * result) + fId; |
81c8e6f7 | 518 | result = (prime * result) |
b3151232 | 519 | + fFile.hashCode(); |
81c8e6f7 MK |
520 | return result; |
521 | } | |
522 | ||
81c8e6f7 | 523 | @Override |
90cefe9f | 524 | public boolean equals(@Nullable Object obj) { |
81c8e6f7 MK |
525 | if (this == obj) { |
526 | return true; | |
527 | } | |
528 | if (obj == null) { | |
529 | return false; | |
530 | } | |
d84419e1 | 531 | if (!(obj instanceof CTFStreamInputReader)) { |
81c8e6f7 MK |
532 | return false; |
533 | } | |
d84419e1 | 534 | CTFStreamInputReader other = (CTFStreamInputReader) obj; |
93a45b54 | 535 | if (fId != other.fId) { |
81c8e6f7 MK |
536 | return false; |
537 | } | |
b3151232 | 538 | return fFile.equals(other.fFile); |
81c8e6f7 MK |
539 | } |
540 | ||
87b60a47 MK |
541 | @Override |
542 | public String toString() { | |
543 | // this helps debugging | |
90cefe9f | 544 | return fId + ' ' + NonNullUtils.nullToEmptyString(fCurrentEvent); |
87b60a47 | 545 | } |
b3151232 | 546 | |
866e5b51 | 547 | } |