| 1 | package com.hammurapi.eventbus.local; |
| 2 | |
| 3 | import java.util.Iterator; |
| 4 | import java.util.Queue; |
| 5 | import java.util.concurrent.ConcurrentLinkedQueue; |
| 6 | import java.util.concurrent.ExecutorService; |
| 7 | import java.util.concurrent.TimeUnit; |
| 8 | import java.util.concurrent.atomic.AtomicLong; |
| 9 | import java.util.concurrent.locks.Lock; |
| 10 | import java.util.concurrent.locks.ReentrantLock; |
| 11 | import java.util.logging.Logger; |
| 12 | |
| 13 | import com.hammurapi.common.ExceptionHandler; |
| 14 | import com.hammurapi.common.ObservableConverter; |
| 15 | import com.hammurapi.common.concurrent.LocalTrackingExecutorService; |
| 16 | import com.hammurapi.common.concurrent.TrackingExecutorService; |
| 17 | import com.hammurapi.eventbus.AbstractEventBus; |
| 18 | import com.hammurapi.eventbus.CompositeInferenceFilter; |
| 19 | import com.hammurapi.eventbus.EventBus; |
| 20 | import com.hammurapi.eventbus.EventStore; |
| 21 | import com.hammurapi.eventbus.InferenceCommand; |
| 22 | import com.hammurapi.eventbus.InferenceContext; |
| 23 | import com.hammurapi.eventbus.InferenceFilter; |
| 24 | import com.hammurapi.eventbus.InferencePolicy; |
| 25 | import com.hammurapi.eventbus.Matcher; |
| 26 | import com.hammurapi.eventbus.PostCommand; |
| 27 | import com.hammurapi.eventbus.RemoveCommand; |
| 28 | import com.hammurapi.eventbus.monitoring.StatsCollector; |
| 29 | import com.hammurapi.store.local.LocalHandle.HandleStrength; |
| 30 | |
| 31 | /** |
| 32 | * Base class for event bus which functions within JVM boundaries. |
| 33 | * @author Pavel Vlasov |
| 34 | * |
| 35 | * @param <E> Event type. |
| 36 | * @param <P> Handler priority type. |
| 37 | * @param <C> Context type. |
| 38 | * @param <K> Registration key type. |
| 39 | */ |
| 40 | |
| 41 | public class LocalEventBusBase<E, P extends Comparable<P>, C, S extends EventStore<E, P, C, AbstractEventBus.Handle<E, P, C, Long>, S>> |
| 42 | extends AbstractEventBus<E, P, C, Long, AbstractEventBus.Handle<E, P, C, Long>, S> { |
| 43 | |
| 44 | |
| 45 | interface LocalHandle<E,P extends Comparable<P>,C, S extends EventStore<E, P, C, AbstractEventBus.Handle<E, P, C, Long>, S>> extends AbstractEventBus.Handle<E, P, C, Long> { |
| 46 | void addRemoveListener(RemoveListener<E, P, C, S> removeListener); |
| 47 | void remove(boolean forUpdate, InferenceContext<E,P,C,Long,AbstractEventBus.Handle<E,P,C,Long>,S> inferenceContext); |
| 48 | } |
| 49 | |
| 50 | private static final Logger logger = Logger.getLogger(LocalEventBusBase.class.getName()); |
| 51 | private LocalTrackingExecutorService executorService; |
| 52 | HandleStrength collectorHandleStrength; |
| 53 | private int maxDerivationDepth = 100; |
| 54 | S unmodifiableStore; |
| 55 | ObservableConverter<E> observableConverter; |
| 56 | |
| 57 | public int getMaxDerivationDepth() { |
| 58 | return maxDerivationDepth; |
| 59 | } |
| 60 | |
| 61 | public void setMaxDerivationDepth(int maxDerivationDepth) { |
| 62 | this.maxDerivationDepth = maxDerivationDepth; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Bus configurator. |
| 67 | * @author Pavel Vlasov |
| 68 | * |
| 69 | */ |
| 70 | public static class Config<E, P extends Comparable<P>, C, S extends EventStore<E, P, C, AbstractEventBus.Handle<E, P, C, Long>, S>> { |
| 71 | private Class<E> eventType; |
| 72 | private S store; |
| 73 | private InferencePolicy inferencePolicy = InferencePolicy.IMMEDIATELY; |
| 74 | private ExecutorService executorService; |
| 75 | private HandleStrength collectorHandleStrength = HandleStrength.STRONG; |
| 76 | private ObservableConverter<E> observableConverter; |
| 77 | private boolean assertPredicatesBeforePost; |
| 78 | private StatsCollector statsCollector; |
| 79 | private TimeUnit statsTimeUnit; |
| 80 | private InferenceFilter<E,P,C,Long, AbstractEventBus.Handle<E, P, C, Long>, S>[] inferenceFilters; |
| 81 | private LocalMatcher<E, P, C, S> matcher = new LocalPredicateChainingMatcher<E, P, C, S>(); |
| 82 | |
| 83 | public void setStatsCollector(StatsCollector statsCollector) { |
| 84 | this.statsCollector = statsCollector; |
| 85 | } |
| 86 | |
| 87 | public StatsCollector getStatsCollector() { |
| 88 | return statsCollector; |
| 89 | } |
| 90 | |
| 91 | public Class<E> getEventType() { |
| 92 | return eventType; |
| 93 | } |
| 94 | public void setEventType(Class<E> eventType) { |
| 95 | this.eventType = eventType; |
| 96 | } |
| 97 | public S getStore() { |
| 98 | return store; |
| 99 | } |
| 100 | public void setStore(S store) { |
| 101 | this.store = store; |
| 102 | } |
| 103 | public InferencePolicy getInferencePolicy() { |
| 104 | return inferencePolicy; |
| 105 | } |
| 106 | public void setInferencePolicy(InferencePolicy inferencePolicy) { |
| 107 | this.inferencePolicy = inferencePolicy; |
| 108 | } |
| 109 | public ExecutorService getExecutorService() { |
| 110 | return executorService; |
| 111 | } |
| 112 | public void setExecutorService(ExecutorService executorService) { |
| 113 | this.executorService = executorService; |
| 114 | } |
| 115 | public HandleStrength getCollectorHandleStrength() { |
| 116 | return collectorHandleStrength; |
| 117 | } |
| 118 | public void setCollectorHandleStrength(HandleStrength collectorHandleStrength) { |
| 119 | this.collectorHandleStrength = collectorHandleStrength; |
| 120 | } |
| 121 | public ObservableConverter<E> getObservableConverter() { |
| 122 | return observableConverter; |
| 123 | } |
| 124 | public void setObservableConverter(ObservableConverter<E> observableConverter) { |
| 125 | this.observableConverter = observableConverter; |
| 126 | } |
| 127 | public boolean isAssertPredicatesBeforePost() { |
| 128 | return assertPredicatesBeforePost; |
| 129 | } |
| 130 | public void setAssertPredicatesBeforePost(boolean assertPredicatesBeforePost) { |
| 131 | this.assertPredicatesBeforePost = assertPredicatesBeforePost; |
| 132 | } |
| 133 | public TimeUnit getStatsTimeUnit() { |
| 134 | return statsTimeUnit; |
| 135 | } |
| 136 | public void setStatsTimeUnit(TimeUnit statsTimeUnit) { |
| 137 | this.statsTimeUnit = statsTimeUnit; |
| 138 | } |
| 139 | public void setInferenceFilter(InferenceFilter<E, P, C, Long, AbstractEventBus.Handle<E, P, C, Long>, S>... inferenceFilters) { |
| 140 | this.inferenceFilters = inferenceFilters; |
| 141 | } |
| 142 | public InferenceFilter<E, P, C, Long, AbstractEventBus.Handle<E, P, C, Long>, S>[] getInferenceFilters() { |
| 143 | return inferenceFilters; |
| 144 | } |
| 145 | |
| 146 | public Matcher<E, P, C, Long, AbstractEventBus.Handle<E, P, C, Long>, S> getMatcher() { |
| 147 | return matcher; |
| 148 | } |
| 149 | |
| 150 | public void setMatcher(LocalMatcher<E, P, C, S> matcher) { |
| 151 | this.matcher = matcher; |
| 152 | } |
| 153 | |
| 154 | InferenceFilter<E, P, C, Long, AbstractEventBus.Handle<E, P, C, Long>, S> getInferenceFilter() { |
| 155 | if (inferenceFilters==null || inferenceFilters.length==0) { |
| 156 | return null; |
| 157 | } |
| 158 | if (inferenceFilters.length==1) { |
| 159 | return inferenceFilters[0]; |
| 160 | } |
| 161 | return new CompositeInferenceFilter<E, P, C, Long, AbstractEventBus.Handle<E,P,C,Long>, S>(inferenceFilters); |
| 162 | } |
| 163 | |
| 164 | } |
| 165 | |
| 166 | private boolean assertPredicatesBeforePost; |
| 167 | |
| 168 | boolean isAssertPredicatesBeforePost() { |
| 169 | return assertPredicatesBeforePost; |
| 170 | } |
| 171 | |
| 172 | HandleStrength getCollectorHandleStrength() { |
| 173 | return collectorHandleStrength; |
| 174 | } |
| 175 | |
| 176 | public LocalEventBusBase(Config<E,P,C,S> config) { |
| 177 | |
| 178 | super( |
| 179 | config.getEventType(), |
| 180 | config.getStore(), |
| 181 | config.getInferencePolicy(), |
| 182 | config.getInferenceFilter(), |
| 183 | config.getStatsCollector(), |
| 184 | config.getStatsTimeUnit(), |
| 185 | config.getMatcher()); |
| 186 | |
| 187 | unmodifiableStore = config.getStore().createUnmodifiableFacade(); |
| 188 | this.executorService = config.getExecutorService()==null ? null : new LocalTrackingExecutorService(config.getExecutorService(), false, "Bus executor"); |
| 189 | this.collectorHandleStrength = config.getCollectorHandleStrength(); |
| 190 | |
| 191 | this.observableConverter = config.getObservableConverter(); |
| 192 | this.assertPredicatesBeforePost = config.isAssertPredicatesBeforePost(); |
| 193 | } |
| 194 | |
| 195 | @Override |
| 196 | protected TrackingExecutorService createExecutorService(ExecutorService master, boolean oneOff, String name) { |
| 197 | return master==null ? null : new LocalTrackingExecutorService(master, oneOff, name); |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | protected TrackingExecutorService createExecutorService( boolean oneOff, String name) { |
| 202 | TrackingExecutorService es = getExecutorService(); |
| 203 | return es==null ? null : new LocalTrackingExecutorService(es, oneOff, name); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | protected TrackingExecutorService getExecutorService() { |
| 208 | return executorService; |
| 209 | } |
| 210 | |
| 211 | private AtomicLong eventCounter = new AtomicLong(); |
| 212 | |
| 213 | @Override |
| 214 | protected Long nextId() { |
| 215 | return eventCounter.incrementAndGet(); |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | protected Handle<E, P, C, Long> newMasterHandle(PostCommand<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> postCommand) { |
| 220 | |
| 221 | MasterHandle<E,P,C, S> masterHandle = new MasterHandle<E,P,C, S>(this, postCommand.getEvent(), postCommand.getInferenceContext().getExecutorService(), nextId(), postCommand.isDirectPost(), postCommand.getValidators()); |
| 222 | if (!postCommand.isDirectPost()) { |
| 223 | masterHandle.addDerivation(postCommand.getHandlerId(), postCommand.getHandler(), postCommand.getInputs()); |
| 224 | } |
| 225 | return masterHandle; |
| 226 | } |
| 227 | |
| 228 | // /** |
| 229 | // * To make it visible to local classes. |
| 230 | // */ |
| 231 | // @Override |
| 232 | // protected void postInternal( |
| 233 | // Handle<E, P, C, Long> masterHandle, |
| 234 | // ExecutorService masterExecutorService, |
| 235 | // Queue<InferenceCommand<E, P, C, Handle<E, P, C, Long>>> conclusionQueue, |
| 236 | // ExceptionHandler rootHandle) { |
| 237 | // super.postInternal(masterHandle, masterExecutorService, conclusionQueue, rootHandle); |
| 238 | // } |
| 239 | |
| 240 | // /** |
| 241 | // * createMasterHandle() exposed to local dispatch context. |
| 242 | // */ |
| 243 | // protected Handle<E,P,C,Long> createMasterHandleExposed(E event, TrackingExecutorService joinDelegate, boolean directPost, Predicate<E,S>[] validators, Derivation<E,P,C> derivation) { |
| 244 | // CreateMasterHandleResult cmhr = createMasterHandle(event, joinDelegate, directPost, validators, derivation); |
| 245 | // return cmhr.isNew() ? cmhr.getHandle() : null; |
| 246 | // } |
| 247 | |
| 248 | @Override |
| 249 | public void remove(E event) { |
| 250 | if (getStore().getPrimaryKeyExtractor()==null) { |
| 251 | getStore().writeLock().lock(); |
| 252 | try { |
| 253 | for (Handle<E,P,C,Long> handle: getStore()) { |
| 254 | if (event.equals(handle.getEvent())) { |
| 255 | handle.remove(); |
| 256 | } |
| 257 | } |
| 258 | } finally { |
| 259 | getStore().writeLock().unlock(); |
| 260 | } |
| 261 | } else { |
| 262 | Handle<E, P, C, Long> h = getStore().getByPrimaryKey(event); |
| 263 | if (h!=null) { |
| 264 | h.remove(); |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | private Lock rtcLock = new ReentrantLock(); |
| 270 | |
| 271 | @Override |
| 272 | protected Lock getRtcLock() { |
| 273 | return rtcLock; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * To make it visible to local classes. |
| 278 | */ |
| 279 | @Override |
| 280 | protected com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long> processInferenceCommand(InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S> command) { |
| 281 | return super.processInferenceCommand(command); |
| 282 | } |
| 283 | |
| 284 | @Override |
| 285 | protected InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S> createInferenceContext() { |
| 286 | |
| 287 | boolean createQueue = InferencePolicy.AFTER_EVENT.compareTo(getInferencePolicy())<=0; |
| 288 | final Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> inferenceCommandsQueue = createQueue ? new ConcurrentLinkedQueue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>>() : null; |
| 289 | final TrackingExecutorService hes = createExecutorService(false, "Handle executor"); |
| 290 | |
| 291 | return new InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S>() { |
| 292 | |
| 293 | private ExceptionHandler rootHandle; |
| 294 | |
| 295 | @Override |
| 296 | public int getInferenceChainLength() { |
| 297 | return 0; |
| 298 | } |
| 299 | |
| 300 | @Override |
| 301 | public TrackingExecutorService getExecutorService() { |
| 302 | return hes; |
| 303 | } |
| 304 | |
| 305 | @Override |
| 306 | public ExceptionHandler getRootHandle() { |
| 307 | return rootHandle; |
| 308 | } |
| 309 | |
| 310 | @Override |
| 311 | public EventBus<E, P, C, Long, Handle<E, P, C, Long>, S> getBus() { |
| 312 | return LocalEventBusBase.this; |
| 313 | } |
| 314 | |
| 315 | @Override |
| 316 | public void setRootHandle(ExceptionHandler rootHandle) { |
| 317 | if (this.rootHandle!=null && this.rootHandle!=rootHandle) { |
| 318 | throw new IllegalStateException("Root handle already set"); |
| 319 | } |
| 320 | this.rootHandle = rootHandle; |
| 321 | } |
| 322 | |
| 323 | @Override |
| 324 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> createNext() { |
| 325 | return LocalEventBusBase.this.createInferenceContext(this); |
| 326 | } |
| 327 | |
| 328 | |
| 329 | @Override |
| 330 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> wrap() { |
| 331 | return LocalEventBusBase.this.wrapInferenceContext(this); |
| 332 | } |
| 333 | |
| 334 | @Override |
| 335 | public void postInferenceCommand(InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S> command) { |
| 336 | if (InferencePolicy.IMMEDIATELY.equals(getBus().getInferencePolicy())) { |
| 337 | LocalEventBusBase.this.processInferenceCommand(command); |
| 338 | } else { |
| 339 | inferenceCommandsQueue.add(command); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | @Override |
| 344 | public void processInferenceCommands() { |
| 345 | Iterator<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> cit = inferenceCommandsQueue.iterator(); |
| 346 | while (cit.hasNext()) { |
| 347 | LocalEventBusBase.this.processInferenceCommand(cit.next()); |
| 348 | cit.remove(); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | @Override |
| 353 | public Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> getInferenceCommandsQueue() { |
| 354 | return inferenceCommandsQueue; |
| 355 | } |
| 356 | |
| 357 | }; |
| 358 | } |
| 359 | |
| 360 | InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S> createInferenceContext(final InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S> prev) { |
| 361 | final Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> inferenceCommandsQueue; |
| 362 | switch (getInferencePolicy()) { |
| 363 | case EXCLUSIVE: |
| 364 | case AFTER_ROOT_EVENT: |
| 365 | inferenceCommandsQueue = prev.getInferenceCommandsQueue(); // Inherited. |
| 366 | break; |
| 367 | case AFTER_EVENT: |
| 368 | inferenceCommandsQueue = new ConcurrentLinkedQueue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>>(); // New queue for after event. |
| 369 | break; |
| 370 | case AFTER_HANDLER: |
| 371 | case IMMEDIATELY: |
| 372 | inferenceCommandsQueue = null; // No queue for |
| 373 | break; |
| 374 | default: |
| 375 | throw new IllegalArgumentException("Unexpected inference policy: "+getInferencePolicy()); |
| 376 | } |
| 377 | |
| 378 | final TrackingExecutorService hes = createExecutorService(prev.getExecutorService(), false, "Handle executor"); |
| 379 | |
| 380 | return new InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S>() { |
| 381 | |
| 382 | @Override |
| 383 | public int getInferenceChainLength() { |
| 384 | return prev.getInferenceChainLength()+1; |
| 385 | } |
| 386 | |
| 387 | @Override |
| 388 | public TrackingExecutorService getExecutorService() { |
| 389 | return hes; |
| 390 | } |
| 391 | |
| 392 | @Override |
| 393 | public ExceptionHandler getRootHandle() { |
| 394 | return prev.getRootHandle(); |
| 395 | } |
| 396 | |
| 397 | @Override |
| 398 | public EventBus<E, P, C, Long, Handle<E, P, C, Long>, S> getBus() { |
| 399 | return LocalEventBusBase.this; |
| 400 | } |
| 401 | |
| 402 | @Override |
| 403 | public void setRootHandle(ExceptionHandler rootHandle) { |
| 404 | prev.setRootHandle(rootHandle); |
| 405 | } |
| 406 | |
| 407 | @Override |
| 408 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> createNext() { |
| 409 | return LocalEventBusBase.this.createInferenceContext(this); |
| 410 | } |
| 411 | |
| 412 | @Override |
| 413 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> wrap() { |
| 414 | return LocalEventBusBase.this.wrapInferenceContext(this); |
| 415 | } |
| 416 | |
| 417 | |
| 418 | @Override |
| 419 | public void postInferenceCommand(InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S> command) { |
| 420 | if (InferencePolicy.IMMEDIATELY.equals(getBus().getInferencePolicy())) { |
| 421 | LocalEventBusBase.this.processInferenceCommand(command); |
| 422 | } else { |
| 423 | inferenceCommandsQueue.add(command); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | @Override |
| 428 | public void processInferenceCommands() { |
| 429 | Iterator<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> cit = inferenceCommandsQueue.iterator(); |
| 430 | while (cit.hasNext()) { |
| 431 | LocalEventBusBase.this.processInferenceCommand(cit.next()); |
| 432 | cit.remove(); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | @Override |
| 437 | public Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> getInferenceCommandsQueue() { |
| 438 | return inferenceCommandsQueue; |
| 439 | } |
| 440 | |
| 441 | }; |
| 442 | } |
| 443 | |
| 444 | InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S> wrapInferenceContext(final InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S> master) { |
| 445 | if (!InferencePolicy.AFTER_HANDLER.equals(getInferencePolicy())) { |
| 446 | throw new IllegalStateException("Can't use this method if inference policy is not AFTER_HANDLER"); |
| 447 | } |
| 448 | |
| 449 | final Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> inferenceCommandsQueue = new ConcurrentLinkedQueue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>>(); // New queue for after event. |
| 450 | |
| 451 | return new InferenceContext<E, P, C, Long, Handle<E, P, C, Long>, S>() { |
| 452 | |
| 453 | @Override |
| 454 | public int getInferenceChainLength() { |
| 455 | return master.getInferenceChainLength(); |
| 456 | } |
| 457 | |
| 458 | @Override |
| 459 | public TrackingExecutorService getExecutorService() { |
| 460 | return master.getExecutorService(); |
| 461 | } |
| 462 | |
| 463 | @Override |
| 464 | public ExceptionHandler getRootHandle() { |
| 465 | return master.getRootHandle(); |
| 466 | } |
| 467 | |
| 468 | @Override |
| 469 | public EventBus<E, P, C, Long, Handle<E, P, C, Long>, S> getBus() { |
| 470 | return LocalEventBusBase.this; |
| 471 | } |
| 472 | |
| 473 | @Override |
| 474 | public void setRootHandle(ExceptionHandler rootHandle) { |
| 475 | throw new UnsupportedOperationException(); |
| 476 | } |
| 477 | |
| 478 | @Override |
| 479 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> createNext() { |
| 480 | return master.createNext(); |
| 481 | } |
| 482 | |
| 483 | @Override |
| 484 | public InferenceContext<E, P, C, Long, com.hammurapi.eventbus.AbstractEventBus.Handle<E, P, C, Long>, S> wrap() { |
| 485 | return LocalEventBusBase.this.wrapInferenceContext(this); |
| 486 | } |
| 487 | |
| 488 | @Override |
| 489 | public void postInferenceCommand(InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S> command) { |
| 490 | if (InferencePolicy.IMMEDIATELY.equals(getBus().getInferencePolicy())) { |
| 491 | LocalEventBusBase.this.processInferenceCommand(command); |
| 492 | } else { |
| 493 | inferenceCommandsQueue.add(command); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | @Override |
| 498 | public void processInferenceCommands() { |
| 499 | Iterator<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> cit = inferenceCommandsQueue.iterator(); |
| 500 | while (cit.hasNext()) { |
| 501 | LocalEventBusBase.this.processInferenceCommand(cit.next()); |
| 502 | cit.remove(); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | @Override |
| 507 | public Queue<InferenceCommand<E, P, C, Long, Handle<E, P, C, Long>, S>> getInferenceCommandsQueue() { |
| 508 | return inferenceCommandsQueue; |
| 509 | } |
| 510 | |
| 511 | }; |
| 512 | } |
| 513 | |
| 514 | @Override |
| 515 | protected void processRemoveCommand(RemoveCommand<E, P, C, Long, Handle<E, P, C, Long>, S> command) { |
| 516 | ((LocalHandle<E,P,C,S>) command.getHandle()).remove(command.isForUpdate(), command.getInferenceContext()); |
| 517 | } |
| 518 | |
| 519 | // Iterator<InferenceCommand<E, P, C, K, H, S>> cit = inferenceContext.getInferenceCommandsQueue().iterator(); |
| 520 | // while (cit.hasNext()) { |
| 521 | // processInferenceCommand(cit.next()); |
| 522 | // cit.remove(); |
| 523 | // } |
| 524 | |
| 525 | // if (InferencePolicy.IMMEDIATELY.equals(inferenceContext.getBus().getInferencePolicy())) { |
| 526 | // ((AbstractEventBus<E,P,C,K,H,S>) inferenceContext.getBus()).processInferenceCommand(postCommand); |
| 527 | // } else { |
| 528 | |
| 529 | |
| 530 | |
| 531 | } |