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866e5b51 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2011, 2014 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 FC |
14 | |
15 | import java.io.File; | |
aa3b05ef | 16 | import java.io.IOException; |
f4a474e3 | 17 | import java.nio.ByteBuffer; |
866e5b51 | 18 | import java.nio.channels.FileChannel; |
aa3b05ef | 19 | import java.nio.channels.FileChannel.MapMode; |
b3151232 | 20 | import java.nio.file.StandardOpenOption; |
866e5b51 FC |
21 | import java.util.UUID; |
22 | ||
a4fa4e36 | 23 | import org.eclipse.jdt.annotation.NonNull; |
453a59f0 | 24 | import org.eclipse.tracecompass.ctf.core.CTFReaderException; |
f357bcd4 AM |
25 | import org.eclipse.tracecompass.ctf.core.event.io.BitBuffer; |
26 | import org.eclipse.tracecompass.ctf.core.event.scope.IDefinitionScope; | |
27 | import org.eclipse.tracecompass.ctf.core.event.scope.LexicalScope; | |
28 | import org.eclipse.tracecompass.ctf.core.event.types.Definition; | |
29 | import org.eclipse.tracecompass.ctf.core.event.types.EnumDefinition; | |
30 | import org.eclipse.tracecompass.ctf.core.event.types.FloatDefinition; | |
31 | import org.eclipse.tracecompass.ctf.core.event.types.IDefinition; | |
32 | import org.eclipse.tracecompass.ctf.core.event.types.IntegerDefinition; | |
33 | import org.eclipse.tracecompass.ctf.core.event.types.StringDefinition; | |
34 | import org.eclipse.tracecompass.ctf.core.event.types.StructDeclaration; | |
35 | import org.eclipse.tracecompass.ctf.core.event.types.StructDefinition; | |
36 | import org.eclipse.tracecompass.internal.ctf.core.SafeMappedByteBuffer; | |
37 | import org.eclipse.tracecompass.internal.ctf.core.event.types.ArrayDefinition; | |
38 | import org.eclipse.tracecompass.internal.ctf.core.trace.StreamInputPacketIndex; | |
39 | import org.eclipse.tracecompass.internal.ctf.core.trace.StreamInputPacketIndexEntry; | |
866e5b51 FC |
40 | |
41 | /** | |
42 | * <b><u>StreamInput</u></b> | |
43 | * <p> | |
44 | * Represents a trace file that belongs to a certain stream. | |
45 | */ | |
46167f03 | 46 | public class CTFStreamInput implements IDefinitionScope { |
866e5b51 FC |
47 | |
48 | // ------------------------------------------------------------------------ | |
49 | // Attributes | |
50 | // ------------------------------------------------------------------------ | |
51 | ||
f068c622 MK |
52 | private static final int BITS_PER_BYTE = Byte.SIZE; |
53 | ||
866e5b51 FC |
54 | /** |
55 | * The associated Stream | |
56 | */ | |
d84419e1 | 57 | private final CTFStream fStream; |
866e5b51 | 58 | |
866e5b51 FC |
59 | /** |
60 | * Information on the file (used for debugging) | |
61 | */ | |
b3151232 | 62 | @NonNull |
f224bebc | 63 | private final File fFile; |
866e5b51 FC |
64 | |
65 | /** | |
66 | * The packet index of this input | |
67 | */ | |
f224bebc | 68 | private final StreamInputPacketIndex fIndex; |
866e5b51 | 69 | |
f224bebc | 70 | private long fTimestampEnd; |
866e5b51 | 71 | |
8e15b929 | 72 | /** |
bfe038ff MK |
73 | * Definition of trace packet header |
74 | */ | |
a4fa4e36 | 75 | private StructDeclaration fTracePacketHeaderDecl = null; |
bfe038ff | 76 | |
8e15b929 | 77 | /** |
bfe038ff MK |
78 | * Definition of trace stream packet context |
79 | */ | |
a4fa4e36 | 80 | private StructDeclaration fStreamPacketContextDecl = null; |
bfe038ff | 81 | |
8e15b929 | 82 | /** |
132a02b0 MK |
83 | * Total number of lost events in this stream |
84 | */ | |
f224bebc | 85 | private long fLostSoFar = 0; |
132a02b0 | 86 | |
866e5b51 FC |
87 | // ------------------------------------------------------------------------ |
88 | // Constructors | |
89 | // ------------------------------------------------------------------------ | |
90 | ||
91 | /** | |
92 | * Constructs a StreamInput. | |
93 | * | |
94 | * @param stream | |
95 | * The stream to which this StreamInput belongs to. | |
866e5b51 FC |
96 | * @param file |
97 | * Information about the trace file (for debugging purposes). | |
98 | */ | |
b3151232 | 99 | public CTFStreamInput(CTFStream stream, @NonNull File file) { |
f224bebc | 100 | fStream = stream; |
f224bebc MK |
101 | fFile = file; |
102 | fIndex = new StreamInputPacketIndex(); | |
866e5b51 FC |
103 | } |
104 | ||
105 | // ------------------------------------------------------------------------ | |
106 | // Getters/Setters/Predicates | |
107 | // ------------------------------------------------------------------------ | |
108 | ||
9ac2eb62 MK |
109 | /** |
110 | * Gets the stream the streamInput wrapper is wrapping | |
21fb02fa | 111 | * |
9ac2eb62 MK |
112 | * @return the stream the streamInput wrapper is wrapping |
113 | */ | |
d84419e1 | 114 | public CTFStream getStream() { |
f224bebc | 115 | return fStream; |
866e5b51 FC |
116 | } |
117 | ||
9ac2eb62 | 118 | /** |
ecb12461 | 119 | * The common streamInput Index |
21fb02fa | 120 | * |
9ac2eb62 MK |
121 | * @return the stream input Index |
122 | */ | |
486efb2e | 123 | StreamInputPacketIndex getIndex() { |
f224bebc | 124 | return fIndex; |
866e5b51 FC |
125 | } |
126 | ||
9ac2eb62 MK |
127 | /** |
128 | * Gets the filename of the streamInput file. | |
21fb02fa | 129 | * |
9ac2eb62 MK |
130 | * @return the filename of the streaminput file. |
131 | */ | |
866e5b51 | 132 | public String getFilename() { |
f224bebc | 133 | return fFile.getName(); |
866e5b51 FC |
134 | } |
135 | ||
9ac2eb62 | 136 | /** |
ecb12461 | 137 | * Gets the last read timestamp of a stream. (this is not necessarily the |
21fb02fa MK |
138 | * last time in the stream.) |
139 | * | |
9ac2eb62 MK |
140 | * @return the last read timestamp |
141 | */ | |
866e5b51 | 142 | public long getTimestampEnd() { |
f224bebc | 143 | return fTimestampEnd; |
866e5b51 FC |
144 | } |
145 | ||
9ac2eb62 | 146 | /** |
21fb02fa MK |
147 | * Sets the last read timestamp of a stream. (this is not necessarily the |
148 | * last time in the stream.) | |
149 | * | |
150 | * @param timestampEnd | |
151 | * the last read timestamp | |
9ac2eb62 | 152 | */ |
866e5b51 | 153 | public void setTimestampEnd(long timestampEnd) { |
f224bebc | 154 | fTimestampEnd = timestampEnd; |
866e5b51 FC |
155 | } |
156 | ||
9ac2eb62 | 157 | /** |
ecb12461 | 158 | * Useless for streaminputs |
9ac2eb62 | 159 | */ |
866e5b51 | 160 | @Override |
a4fa4e36 MK |
161 | public LexicalScope getScopePath() { |
162 | return LexicalScope.STREAM; | |
866e5b51 FC |
163 | } |
164 | ||
165 | // ------------------------------------------------------------------------ | |
166 | // Operations | |
167 | // ------------------------------------------------------------------------ | |
168 | ||
169 | @Override | |
170 | public Definition lookupDefinition(String lookupPath) { | |
171 | /* TODO: lookup in different dynamic scopes is not supported yet. */ | |
172 | return null; | |
173 | } | |
174 | ||
175 | /** | |
176 | * Create the index for this trace file. | |
bfe038ff MK |
177 | */ |
178 | public void setupIndex() { | |
179 | ||
bfe038ff MK |
180 | /* |
181 | * The BitBuffer to extract data from the StreamInput | |
182 | */ | |
183 | BitBuffer bitBuffer = new BitBuffer(); | |
f224bebc | 184 | bitBuffer.setByteOrder(getStream().getTrace().getByteOrder()); |
bfe038ff MK |
185 | |
186 | /* | |
187 | * Create the definitions we need to read the packet headers + contexts | |
188 | */ | |
189 | if (getStream().getTrace().getPacketHeader() != null) { | |
a4fa4e36 | 190 | fTracePacketHeaderDecl = getStream().getTrace().getPacketHeader(); |
bfe038ff MK |
191 | } |
192 | ||
193 | if (getStream().getPacketContextDecl() != null) { | |
a4fa4e36 | 194 | fStreamPacketContextDecl = getStream().getPacketContextDecl(); |
bfe038ff MK |
195 | } |
196 | ||
197 | } | |
198 | ||
9ac2eb62 MK |
199 | /** |
200 | * Adds the next packet header index entry to the index of a stream input. | |
be6df2d8 | 201 | * |
733c614c MK |
202 | * <strong>This method is slow and can corrupt data if not used |
203 | * properly</strong> | |
204 | * | |
9ac2eb62 MK |
205 | * @return true if there are more packets to add |
206 | * @throws CTFReaderException | |
be6df2d8 | 207 | * If there was a problem reading the packed header |
9ac2eb62 | 208 | */ |
bfe038ff MK |
209 | public boolean addPacketHeaderIndex() throws CTFReaderException { |
210 | long currentPos = 0L; | |
3f02ac64 MK |
211 | if (!fIndex.isEmpty()) { |
212 | StreamInputPacketIndexEntry pos = fIndex.lastElement(); | |
bfe038ff MK |
213 | currentPos = computeNextOffset(pos); |
214 | } | |
215 | long fileSize = getStreamSize(); | |
216 | if (currentPos < fileSize) { | |
733c614c | 217 | |
bfe038ff MK |
218 | StreamInputPacketIndexEntry packetIndex = new StreamInputPacketIndexEntry( |
219 | currentPos); | |
b3151232 | 220 | createPacketIndexEntry(fileSize, currentPos, packetIndex); |
3f02ac64 | 221 | fIndex.append(packetIndex); |
bfe038ff MK |
222 | return true; |
223 | } | |
224 | return false; | |
225 | } | |
226 | ||
bfe038ff | 227 | private long getStreamSize() { |
f224bebc | 228 | return fFile.length(); |
bfe038ff MK |
229 | } |
230 | ||
b3151232 | 231 | private long createPacketIndexEntry(long fileSizeBytes, long packetOffsetBytes, StreamInputPacketIndexEntry packetIndex) |
bfe038ff | 232 | throws CTFReaderException { |
0594c61c | 233 | |
b3151232 | 234 | long pos = readPacketHeader(fileSizeBytes, packetOffsetBytes, packetIndex); |
bfe038ff MK |
235 | |
236 | /* Basic validation */ | |
237 | if (packetIndex.getContentSizeBits() > packetIndex.getPacketSizeBits()) { | |
238 | throw new CTFReaderException("Content size > packet size"); //$NON-NLS-1$ | |
239 | } | |
866e5b51 | 240 | |
bfe038ff | 241 | if (packetIndex.getPacketSizeBits() > ((fileSizeBytes - packetIndex |
f068c622 | 242 | .getOffsetBytes()) * BITS_PER_BYTE)) { |
cf9a28da | 243 | throw new CTFReaderException("Not enough data remaining in the file for the size of this packet"); //$NON-NLS-1$ |
bfe038ff MK |
244 | } |
245 | ||
246 | /* | |
247 | * Offset in the file, in bits | |
248 | */ | |
b3151232 | 249 | packetIndex.setDataOffsetBits(pos); |
bfe038ff MK |
250 | |
251 | /* | |
252 | * Update the counting packet offset | |
253 | */ | |
21fb02fa | 254 | return computeNextOffset(packetIndex); |
bfe038ff MK |
255 | } |
256 | ||
257 | /** | |
258 | * @param packetIndex | |
259 | * @return | |
260 | */ | |
261 | private static long computeNextOffset( | |
262 | StreamInputPacketIndexEntry packetIndex) { | |
263 | return packetIndex.getOffsetBytes() | |
f068c622 | 264 | + ((packetIndex.getPacketSizeBits() + BITS_PER_BYTE - 1) / BITS_PER_BYTE); |
bfe038ff MK |
265 | } |
266 | ||
b3151232 | 267 | private long readPacketHeader(long fileSizeBytes, |
733c614c | 268 | long packetOffsetBytes, StreamInputPacketIndexEntry packetIndex) throws CTFReaderException { |
b3151232 | 269 | long position = -1; |
aa3b05ef FC |
270 | /* |
271 | * Initial size, it should map at least the packet header + context | |
272 | * size. | |
273 | * | |
274 | * TODO: use a less arbitrary size. | |
275 | */ | |
276 | long mapSize = 4096; | |
277 | /* | |
278 | * If there is less data remaining than what we want to map, reduce the | |
279 | * map size. | |
280 | */ | |
281 | if ((fileSizeBytes - packetIndex.getOffsetBytes()) < mapSize) { | |
282 | mapSize = fileSizeBytes - packetIndex.getOffsetBytes(); | |
283 | } | |
284 | ||
285 | /* | |
286 | * Map the packet. | |
287 | */ | |
b3151232 | 288 | try (FileChannel fc = FileChannel.open(fFile.toPath(), StandardOpenOption.READ)) { |
f4a474e3 | 289 | ByteBuffer map = SafeMappedByteBuffer.map(fc, MapMode.READ_ONLY, packetOffsetBytes, mapSize); |
b3151232 MK |
290 | if (map == null) { |
291 | throw new CTFReaderException("Failed to allocate mapped byte buffer"); //$NON-NLS-1$ | |
292 | } | |
293 | /* | |
294 | * create a packet bit buffer to read the packet header | |
295 | */ | |
296 | BitBuffer bitBuffer = new BitBuffer(map); | |
297 | bitBuffer.setByteOrder(getStream().getTrace().getByteOrder()); | |
298 | /* | |
299 | * Read the trace packet header if it exists. | |
300 | */ | |
301 | if (fTracePacketHeaderDecl != null) { | |
302 | parseTracePacketHeader(fTracePacketHeaderDecl, bitBuffer); | |
303 | } | |
304 | ||
305 | /* | |
306 | * Read the stream packet context if it exists. | |
307 | */ | |
308 | if (fStreamPacketContextDecl != null) { | |
309 | parsePacketContext(fileSizeBytes, fStreamPacketContextDecl, | |
310 | bitBuffer, packetIndex); | |
311 | } else { | |
312 | setPacketContextNull(fileSizeBytes, packetIndex); | |
313 | } | |
314 | ||
315 | position = bitBuffer.position(); | |
aa3b05ef FC |
316 | } catch (IOException e) { |
317 | throw new CTFReaderException(e); | |
318 | } | |
b3151232 | 319 | return position; |
aa3b05ef | 320 | } |
bfe038ff | 321 | |
a4fa4e36 MK |
322 | private void parseTracePacketHeader(StructDeclaration tracePacketHeaderDecl, |
323 | @NonNull BitBuffer bitBuffer) throws CTFReaderException { | |
70f60307 | 324 | StructDefinition tracePacketHeaderDef = tracePacketHeaderDecl.createDefinition(fStream.getTrace(), LexicalScope.TRACE_PACKET_HEADER, bitBuffer); |
866e5b51 FC |
325 | |
326 | /* | |
bfe038ff | 327 | * Check the CTF magic number |
866e5b51 | 328 | */ |
bfe038ff MK |
329 | IntegerDefinition magicDef = (IntegerDefinition) tracePacketHeaderDef |
330 | .lookupDefinition("magic"); //$NON-NLS-1$ | |
331 | if (magicDef != null) { | |
332 | int magic = (int) magicDef.getValue(); | |
333 | if (magic != Utils.CTF_MAGIC) { | |
334 | throw new CTFReaderException( | |
335 | "CTF magic mismatch " + Integer.toHexString(magic) + " vs " + Integer.toHexString(Utils.CTF_MAGIC)); //$NON-NLS-1$//$NON-NLS-2$ | |
336 | } | |
866e5b51 FC |
337 | } |
338 | ||
339 | /* | |
bfe038ff | 340 | * Check the trace UUID |
866e5b51 | 341 | */ |
0594c61c AM |
342 | ArrayDefinition uuidDef = |
343 | (ArrayDefinition) tracePacketHeaderDef.lookupDefinition("uuid"); //$NON-NLS-1$ | |
bfe038ff | 344 | if (uuidDef != null) { |
a4fa4e36 | 345 | UUID uuid = Utils.getUUIDfromDefinition(uuidDef); |
866e5b51 | 346 | |
bfe038ff MK |
347 | if (!getStream().getTrace().getUUID().equals(uuid)) { |
348 | throw new CTFReaderException("UUID mismatch"); //$NON-NLS-1$ | |
866e5b51 | 349 | } |
bfe038ff | 350 | } |
866e5b51 | 351 | |
bfe038ff MK |
352 | /* |
353 | * Check that the stream id did not change | |
354 | */ | |
355 | IntegerDefinition streamIDDef = (IntegerDefinition) tracePacketHeaderDef | |
356 | .lookupDefinition("stream_id"); //$NON-NLS-1$ | |
357 | if (streamIDDef != null) { | |
358 | long streamID = streamIDDef.getValue(); | |
866e5b51 | 359 | |
bfe038ff | 360 | if (streamID != getStream().getId()) { |
cf9a28da | 361 | throw new CTFReaderException("Stream ID changing within a StreamInput"); //$NON-NLS-1$ |
866e5b51 | 362 | } |
bfe038ff MK |
363 | } |
364 | } | |
866e5b51 | 365 | |
b3151232 MK |
366 | /** |
367 | * Gets the wrapped file | |
368 | * | |
369 | * @return the file | |
370 | */ | |
371 | @NonNull | |
372 | File getFile() { | |
373 | return fFile; | |
374 | } | |
375 | ||
bfe038ff MK |
376 | private static void setPacketContextNull(long fileSizeBytes, |
377 | StreamInputPacketIndexEntry packetIndex) { | |
378 | /* | |
379 | * If there is no packet context, infer the content and packet size from | |
380 | * the file size (assume that there is only one packet and no padding) | |
381 | */ | |
f068c622 MK |
382 | packetIndex.setContentSizeBits(fileSizeBytes * BITS_PER_BYTE); |
383 | packetIndex.setPacketSizeBits(fileSizeBytes * BITS_PER_BYTE); | |
bfe038ff | 384 | } |
866e5b51 | 385 | |
bfe038ff | 386 | private void parsePacketContext(long fileSizeBytes, |
a4fa4e36 | 387 | StructDeclaration streamPacketContextDecl, @NonNull BitBuffer bitBuffer, |
db8e8f7d | 388 | StreamInputPacketIndexEntry packetIndex) throws CTFReaderException { |
70f60307 | 389 | StructDefinition streamPacketContextDef = streamPacketContextDecl.createDefinition(this, LexicalScope.STREAM_PACKET_CONTEXT, bitBuffer); |
866e5b51 | 390 | |
21fb02fa MK |
391 | for (String field : streamPacketContextDef.getDeclaration() |
392 | .getFieldsList()) { | |
cc98c947 | 393 | IDefinition id = streamPacketContextDef.lookupDefinition(field); |
21fb02fa MK |
394 | if (id instanceof IntegerDefinition) { |
395 | packetIndex.addAttribute(field, | |
396 | ((IntegerDefinition) id).getValue()); | |
397 | } else if (id instanceof FloatDefinition) { | |
398 | packetIndex.addAttribute(field, | |
399 | ((FloatDefinition) id).getValue()); | |
400 | } else if (id instanceof EnumDefinition) { | |
401 | packetIndex.addAttribute(field, | |
402 | ((EnumDefinition) id).getValue()); | |
403 | } else if (id instanceof StringDefinition) { | |
404 | packetIndex.addAttribute(field, | |
405 | ((StringDefinition) id).getValue()); | |
406 | } | |
21fb02fa MK |
407 | } |
408 | ||
409 | Long contentSize = (Long) packetIndex.lookupAttribute("content_size"); //$NON-NLS-1$ | |
410 | Long packetSize = (Long) packetIndex.lookupAttribute("packet_size"); //$NON-NLS-1$ | |
0594c61c AM |
411 | Long tsBegin = (Long) packetIndex.lookupAttribute("timestamp_begin"); //$NON-NLS-1$ |
412 | Long tsEnd = (Long) packetIndex.lookupAttribute("timestamp_end"); //$NON-NLS-1$ | |
21fb02fa MK |
413 | String device = (String) packetIndex.lookupAttribute("device"); //$NON-NLS-1$ |
414 | // LTTng Specific | |
0594c61c | 415 | Long cpuId = (Long) packetIndex.lookupAttribute("cpu_id"); //$NON-NLS-1$ |
cf9a28da | 416 | Long lostEvents = (Long) packetIndex.lookupAttribute("events_discarded"); //$NON-NLS-1$ |
132a02b0 MK |
417 | |
418 | /* Read the content size in bits */ | |
21fb02fa | 419 | if (contentSize != null) { |
b6dfd62a | 420 | packetIndex.setContentSizeBits(contentSize.longValue()); |
cf9a28da MK |
421 | } else if (packetSize != null) { |
422 | packetIndex.setContentSizeBits(packetSize.longValue()); | |
bfe038ff | 423 | } else { |
f068c622 | 424 | packetIndex.setContentSizeBits((int) (fileSizeBytes * BITS_PER_BYTE)); |
bfe038ff | 425 | } |
866e5b51 | 426 | |
132a02b0 | 427 | /* Read the packet size in bits */ |
21fb02fa | 428 | if (packetSize != null) { |
b6dfd62a | 429 | packetIndex.setPacketSizeBits(packetSize.longValue()); |
51598b21 MK |
430 | } else if (packetIndex.getContentSizeBits() != 0) { |
431 | packetIndex.setPacketSizeBits(packetIndex.getContentSizeBits()); | |
bfe038ff | 432 | } else { |
f068c622 | 433 | packetIndex.setPacketSizeBits((int) (fileSizeBytes * BITS_PER_BYTE)); |
bfe038ff MK |
434 | } |
435 | ||
132a02b0 | 436 | /* Read the begin timestamp */ |
0594c61c AM |
437 | if (tsBegin != null) { |
438 | packetIndex.setTimestampBegin(tsBegin.longValue()); | |
bfe038ff MK |
439 | } |
440 | ||
132a02b0 | 441 | /* Read the end timestamp */ |
0594c61c | 442 | if (tsEnd != null) { |
ecb12461 | 443 | if (tsEnd == -1) { |
0594c61c | 444 | tsEnd = Long.MAX_VALUE; |
21fb02fa | 445 | } |
0594c61c | 446 | packetIndex.setTimestampEnd(tsEnd.longValue()); |
bfe038ff | 447 | setTimestampEnd(packetIndex.getTimestampEnd()); |
866e5b51 | 448 | } |
21fb02fa MK |
449 | |
450 | if (device != null) { | |
451 | packetIndex.setTarget(device); | |
452 | } | |
453 | ||
0594c61c AM |
454 | if (cpuId != null) { |
455 | packetIndex.setTarget("CPU" + cpuId.toString()); //$NON-NLS-1$ | |
21fb02fa | 456 | } |
132a02b0 MK |
457 | |
458 | if (lostEvents != null) { | |
f224bebc MK |
459 | packetIndex.setLostEvents(lostEvents - fLostSoFar); |
460 | fLostSoFar = lostEvents; | |
132a02b0 | 461 | } |
866e5b51 FC |
462 | } |
463 | ||
81c8e6f7 MK |
464 | @Override |
465 | public int hashCode() { | |
466 | final int prime = 31; | |
467 | int result = 1; | |
b3151232 | 468 | result = (prime * result) + fFile.hashCode(); |
81c8e6f7 MK |
469 | return result; |
470 | } | |
471 | ||
81c8e6f7 MK |
472 | @Override |
473 | public boolean equals(Object obj) { | |
474 | if (this == obj) { | |
475 | return true; | |
476 | } | |
477 | if (obj == null) { | |
478 | return false; | |
479 | } | |
d84419e1 | 480 | if (!(obj instanceof CTFStreamInput)) { |
81c8e6f7 MK |
481 | return false; |
482 | } | |
d84419e1 | 483 | CTFStreamInput other = (CTFStreamInput) obj; |
b3151232 | 484 | if (!fFile.equals(other.fFile)) { |
81c8e6f7 MK |
485 | return false; |
486 | } | |
487 | return true; | |
488 | } | |
489 | ||
866e5b51 | 490 | } |