List of usage examples for java.util.concurrent LinkedBlockingQueue LinkedBlockingQueue
public LinkedBlockingQueue()
From source file:com.mobicomkit.api.attachment.AttachmentManager.java
/** * Constructs the work queues and thread pools used to download and decode images. *///from w w w . j a va2 s . c o m private AttachmentManager() { attachmentInProgress = new ArrayList<String>(); attachmentTaskList = new ArrayList<AttachmentTask>(); /* * Creates a work queue for the pool of Thread objects used for downloading, using a linked * list queue that blocks when the queue is empty. */ mDownloadWorkQueue = new LinkedBlockingQueue<Runnable>(); /* * Creates a work queue for the pool of Thread objects used for decoding, using a linked * list queue that blocks when the queue is empty. */ mDecodeWorkQueue = new LinkedBlockingQueue<Runnable>(); /* * Creates a work queue for the set of of task objects that control downloading and * decoding, using a linked list queue that blocks when the queue is empty. */ mPhotoTaskWorkQueue = new LinkedBlockingQueue<AttachmentTask>(); /* * Creates a new pool of Thread objects for the download work queue */ mDownloadThreadPool = new ThreadPoolExecutor(CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_TIME, KEEP_ALIVE_TIME_UNIT, mDownloadWorkQueue); /* * Creates a new pool of Thread objects for the decoding work queue */ mDecodeThreadPool = new ThreadPoolExecutor(NUMBER_OF_CORES, NUMBER_OF_CORES, KEEP_ALIVE_TIME, KEEP_ALIVE_TIME_UNIT, mDecodeWorkQueue); // Instantiates a new cache based on the cache size estimate mPhotoCache = new LruCache<String, Bitmap>(IMAGE_CACHE_SIZE) { // /* // * This overrides the default sizeOf() implementation to return the // * correct size of each cache entry. // */ // // @Override // protected int sizeOf(String paramURL, Bitmap image) { // return image.getByteCount(); // } }; /* * Instantiates a new anonymous Handler object and defines its * handleMessage() method. The Handler *must* run on the UI thread, because it moves photo * Bitmaps from the PhotoTask object to the View object. * To force the Handler to run on the UI thread, it's defined as part of the PhotoManager * constructor. The constructor is invoked when the class is first referenced, and that * happens when the View invokes startDownload. Since the View runs on the UI Thread, so * does the constructor and the Handler. */ mHandler = new Handler(Looper.getMainLooper()) { /* * handleMessage() defines the operations to perform when the * Handler receives a new Message to process. */ @Override public void handleMessage(Message inputMessage) { // Gets the image task from the incoming Message object. AttachmentTask attachmentTask = (AttachmentTask) inputMessage.obj; // Sets an PhotoView that's a weak reference to the // input ImageView AttachmentView localView = attachmentTask.getPhotoView(); // If this input view isn't null if (localView != null) { /* * Gets the URL of the *weak reference* to the input * ImageView. The weak reference won't have changed, even if * the input ImageView has. */ // URL localURL = localView.getLocation(); /* * Compares the URL of the input ImageView to the URL of the * weak reference. Only updates the bitmap in the ImageView * if this particular Thread is supposed to be serving the * ImageView. */ //if (attachmentTask.getImageURL() == localURL) /* * Chooses the action to take, based on the incoming message * */ //TODO: show the status properly based on message status ... switch (inputMessage.what) { case DOWNLOAD_STARTED: localView.getMessage().setAttDownloadInProgress(true); localView.getProressBar().setVisibility(View.VISIBLE); break; case DOWNLOAD_COMPLETE: localView.getProressBar().setProgress(70); localView.getMessage().setAttDownloadInProgress(false); break; case DECODE_STARTED: localView.getProressBar().setVisibility(View.VISIBLE); localView.getProressBar().setProgress(90); break; /* * The decoding is done, so this sets the * ImageView's bitmap to the bitmap in the * incoming message */ case TASK_COMPLETE: if (localView.getDownloadProgressLayout() != null && !localView.getMessage().isAttachmentUploadInProgress()) { localView.getDownloadProgressLayout().setVisibility(View.GONE); } else if (localView.getProressBar() != null) { localView.getProressBar().setVisibility(View.GONE); } localView.setImageBitmap(attachmentTask.getImage()); recycleTask(attachmentTask); break; // The download failed, sets the background color to dark red case DOWNLOAD_FAILED: //localView.setStatusResource(R.drawable.imagedownloadfailed); localView.getProressBar().setProgress(0); localView.getMessage().setAttDownloadInProgress(false); localView.getDownloadProgressLayout().setVisibility(View.GONE); localView.setVisibility(View.INVISIBLE); Toast.makeText(localView.getContext(), "Download failed.", Toast.LENGTH_SHORT).show(); // Attempts to re-use the Task object recycleTask(attachmentTask); break; default: // Otherwise, calls the super method super.handleMessage(inputMessage); } } } }; }
From source file:com.nextgis.maplib.display.TMSRenderer.java
@Override public void runDraw(final GISDisplay display) throws NullPointerException { final double zoom = display.getZoomLevel(); GeoEnvelope env = display.getBounds(); //get tiled for zoom and bounds final TMSLayer tmsLayer = (TMSLayer) mLayer; final List<TileItem> tiles = tmsLayer.getTielsForBounds(display, env, zoom); int threadCount = tmsLayer.getMaxThreadCount(); if (threadCount > 0) mDrawThreadPool = new ThreadPoolExecutor(threadCount, threadCount, KEEP_ALIVE_TIME, KEEP_ALIVE_TIME_UNIT, new LinkedBlockingQueue<Runnable>(), new RejectedExecutionHandler() { @Override// w ww .j a v a 2 s . co m public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) { try { executor.getQueue().put(r); } catch (InterruptedException e) { e.printStackTrace(); //throw new RuntimeException("Interrupted while submitting task", e); } } }); if (null == mDrawThreadPool) { tmsLayer.onDrawFinished(tmsLayer.getId(), 1); return; } if (tiles.size() == 0) { tmsLayer.onDrawFinished(tmsLayer.getId(), 1); return; } for (int i = 0; i < tiles.size(); ++i) { final TileItem tile = tiles.get(i); mDrawThreadPool.execute(new Runnable() { @Override public void run() { android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND); final Bitmap bmp = tmsLayer.getBitmap(tile); if (bmp != null) { display.drawTile(bmp, tile.getPoint(), mRasterPaint); } float percent = 1; synchronized (mLayer) { if (mDrawThreadPool.getTaskCount() > 1) percent = (float) (mDrawThreadPool.getCompletedTaskCount() + 1) / mDrawThreadPool.getTaskCount(); tmsLayer.onDrawFinished(tmsLayer.getId(), percent); } //Log.d(TAG, "percent: " + percent + " complete: " + mDrawThreadPool.getCompletedTaskCount() + " task count: " + mDrawThreadPool.getTaskCount()); } }); } }
From source file:com.cyberway.issue.crawler.frontier.BdbFrontier.java
@Override protected void initQueuesOfQueues() { if (this.controller.isCheckpointRecover()) { // do not setup here; take/init from deserialized frontier return;/*ww w . j a v a 2 s .c om*/ } // small risk of OutOfMemoryError: if 'hold-queues' is false, // readyClassQueues may grow in size without bound readyClassQueues = new LinkedBlockingQueue<String>(); try { Database inactiveQueuesDb = this.controller.getBdbEnvironment().openDatabase(null, "inactiveQueues", StoredQueue.databaseConfig()); inactiveQueues = new StoredQueue<String>(inactiveQueuesDb, String.class, null); Database retiredQueuesDb = this.controller.getBdbEnvironment().openDatabase(null, "retiredQueues", StoredQueue.databaseConfig()); retiredQueues = new StoredQueue<String>(retiredQueuesDb, String.class, null); } catch (DatabaseException e) { throw new RuntimeException(e); } // small risk of OutOfMemoryError: in large crawls with many // unresponsive queues, an unbounded number of snoozed queues // may exist snoozedClassQueues = Collections.synchronizedSortedSet(new TreeSet<WorkQueue>()); }
From source file:com.microsoft.live.unittest.GetTest.java
@Override protected void setUp() throws Exception { super.setUp(); this.responseQueue = new LinkedBlockingQueue<LiveOperation>(); this.queueingListener = new OperationQueueingListener(this.exceptionQueue, this.responseQueue); }
From source file:com.yozio.android.YozioHelper.java
YozioHelper(YozioDataStore dataStore, YozioApiService apiService) {
this.dataStore = dataStore;
this.apiService = apiService;
this.dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
// This executor MUST have pool size of 1 (1 task allowed to run at once).
// Otherwise, we might send the same event multiple times.
executor = new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>());
}
From source file:org.apache.bookkeeper.metadata.etcd.EtcdRegistrationTest.java
private void testWatchBookies(boolean readonly) throws Exception { LinkedBlockingQueue<Versioned<Set<BookieSocketAddress>>> writableChanges = new LinkedBlockingQueue<>(); LinkedBlockingQueue<Versioned<Set<BookieSocketAddress>>> readonlyChanges = new LinkedBlockingQueue<>(); result(regClient.watchReadOnlyBookies(newRegistrationListener(readonlyChanges))); result(regClient.watchWritableBookies(newRegistrationListener(writableChanges))); Versioned<Set<BookieSocketAddress>> versionedBookies = writableChanges.take(); assertTrue(versionedBookies.getValue().isEmpty()); versionedBookies = readonlyChanges.take(); assertTrue(versionedBookies.getValue().isEmpty()); final int numBookies = 3; final List<EtcdRegistrationManager> bookies = createNumBookies(readonly, numBookies, scope, 1); LinkedBlockingQueue<Versioned<Set<BookieSocketAddress>>> changes; if (readonly) { changes = readonlyChanges;/*from w w w. ja v a2s.com*/ } else { changes = writableChanges; } Version preVersion = new LongVersion(-1); Set<BookieSocketAddress> expectedBookies = new HashSet<>(); for (int i = 0; i < numBookies; i++) { BookieSocketAddress address = new BookieSocketAddress(newBookie(i)); expectedBookies.add(address); versionedBookies = changes.take(); Version curVersion = versionedBookies.getVersion(); assertEquals(Occurred.AFTER, curVersion.compare(preVersion)); assertEquals(expectedBookies, versionedBookies.getValue()); preVersion = curVersion; } bookies.forEach(EtcdRegistrationManager::close); for (int i = 0; i < numBookies; i++) { versionedBookies = changes.take(); Version curVersion = versionedBookies.getVersion(); assertEquals(Occurred.AFTER, curVersion.compare(preVersion)); assertEquals(numBookies - i - 1, versionedBookies.getValue().size()); preVersion = curVersion; } if (readonly) { assertEquals(0, writableChanges.size()); } else { assertEquals(0, readonlyChanges.size()); } }
From source file:org.opencron.server.service.ExecuteService.java
/** * ? ???//from w w w. java 2s .c om */ private boolean executeFlowJob(JobVo job) { if (!checkJobPermission(job.getAgentId(), job.getUserId())) return false; final long groupId = System.nanoTime() + Math.abs(new Random().nextInt());//??Id final Queue<JobVo> jobQueue = new LinkedBlockingQueue<JobVo>(); jobQueue.add(job); jobQueue.addAll(job.getChildren()); RunModel runModel = RunModel.getRunModel(job.getRunModel()); switch (runModel) { case SEQUENCE: return executeSequenceJob(groupId, jobQueue);// case SAMETIME: return executeSameTimeJob(groupId, jobQueue);// default: return false; } }
From source file:com.applozic.mobicomkit.api.attachment.AttachmentManager.java
/** * Constructs the work queues and thread pools used to download and decode images. *///from w w w .j a v a 2s . com private AttachmentManager() { attachmentInProgress = new ArrayList<String>(); attachmentTaskList = new ArrayList<AttachmentTask>(); /* * Creates a work queue for the pool of Thread objects used for downloading, using a linked * list queue that blocks when the queue is empty. */ mDownloadWorkQueue = new LinkedBlockingQueue<Runnable>(); /* * Creates a work queue for the pool of Thread objects used for decoding, using a linked * list queue that blocks when the queue is empty. */ mDecodeWorkQueue = new LinkedBlockingQueue<Runnable>(); /* * Creates a work queue for the set of of task objects that control downloading and * decoding, using a linked list queue that blocks when the queue is empty. */ mPhotoTaskWorkQueue = new LinkedBlockingQueue<AttachmentTask>(); /* * Creates a new pool of Thread objects for the download work queue */ mDownloadThreadPool = new ThreadPoolExecutor(CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_TIME, KEEP_ALIVE_TIME_UNIT, mDownloadWorkQueue); /* * Creates a new pool of Thread objects for the decoding work queue */ mDecodeThreadPool = new ThreadPoolExecutor(NUMBER_OF_CORES, NUMBER_OF_CORES, KEEP_ALIVE_TIME, KEEP_ALIVE_TIME_UNIT, mDecodeWorkQueue); // Instantiates a new cache based on the cache size estimate mPhotoCache = new LruCache<String, Bitmap>(IMAGE_CACHE_SIZE) { // /* // * This overrides the default sizeOf() implementation to return the // * correct size of each cache entry. // */ // // @Override // protected int sizeOf(String paramURL, Bitmap image) { // return image.getByteCount(); // } }; /* * Instantiates a new anonymous Handler object and defines its * handleMessage() method. The Handler *must* run on the UI thread, because it moves photo * Bitmaps from the PhotoTask object to the View object. * To force the Handler to run on the UI thread, it's defined as part of the PhotoManager * constructor. The constructor is invoked when the class is first referenced, and that * happens when the View invokes startDownload. Since the View runs on the UI Thread, so * does the constructor and the Handler. */ mHandler = new Handler(Looper.getMainLooper()) { /* * handleMessage() defines the operations to perform when the * Handler receives a new Message to process. */ @Override public void handleMessage(Message inputMessage) { // Gets the image task from the incoming Message object. AttachmentTask attachmentTask = (AttachmentTask) inputMessage.obj; // Sets an PhotoView that's a weak reference to the // input ImageView AttachmentView localView = attachmentTask.getPhotoView(); // If this input view isn't null if (localView != null) { /* * Gets the URL of the *weak reference* to the input * ImageView. The weak reference won't have changed, even if * the input ImageView has. */ // URL localURL = localView.getLocation(); /* * Compares the URL of the input ImageView to the URL of the * weak reference. Only updates the bitmap in the ImageView * if this particular Thread is supposed to be serving the * ImageView. */ //if (attachmentTask.getImageURL() == localURL) /* * Chooses the action to take, based on the incoming message * */ //TODO: show the status properly based on message status ... switch (inputMessage.what) { case DOWNLOAD_STARTED: localView.getMessage().setAttDownloadInProgress(true); localView.getProressBar().setVisibility(View.VISIBLE); break; case DOWNLOAD_COMPLETE: localView.getProressBar().setProgress(70); localView.getMessage().setAttDownloadInProgress(false); break; case DECODE_STARTED: localView.getProressBar().setVisibility(View.VISIBLE); localView.getProressBar().setProgress(90); break; /* * The decoding is done, so this sets the * ImageView's bitmap to the bitmap in the * incoming message */ case TASK_COMPLETE: if (localView.getDownloadProgressLayout() != null && !localView.getMessage().isAttachmentUploadInProgress()) { localView.getDownloadProgressLayout().setVisibility(View.GONE); } else if (localView.getProressBar() != null) { localView.getProressBar().setVisibility(View.GONE); } BroadcastService.sendMessageUpdateBroadcast(localView.getContext(), BroadcastService.INTENT_ACTIONS.MESSAGE_ATTACHMENT_DOWNLOAD_DONE.toString(), localView.getMessage()); localView.setImageBitmap(attachmentTask.getImage()); recycleTask(attachmentTask); break; // The download failed, sets the background color to dark red case DOWNLOAD_FAILED: //localView.setStatusResource(R.drawable.imagedownloadfailed); localView.getProressBar().setProgress(0); localView.getMessage().setAttDownloadInProgress(false); localView.getDownloadProgressLayout().setVisibility(View.GONE); localView.setVisibility(View.INVISIBLE); localView.cancelDownload(); BroadcastService.sendMessageUpdateBroadcast(localView.getContext(), BroadcastService.INTENT_ACTIONS.MESSAGE_ATTACHMENT_DOWNLOAD_FAILD.toString(), localView.getMessage()); Toast.makeText(localView.getContext(), "Download failed.", Toast.LENGTH_SHORT).show(); // Attempts to re-use the Task object recycleTask(attachmentTask); break; default: // Otherwise, calls the super method super.handleMessage(inputMessage); } } } }; }
From source file:it.drwolf.ridire.session.async.JobMapperMonitor.java
private void create() { int transactionTimeoutSeconds = 240; try {//from w w w . ja v a2 s . c om ((javax.transaction.UserTransaction) org.jboss.seam.transaction.Transaction.instance()) .setTransactionTimeout(transactionTimeoutSeconds); } catch (SystemException e) { // TODO Auto-generated catch block e.printStackTrace(); } Protocol.registerProtocol("https", new Protocol("https", new EasySSLProtocolSocketFactory(), 8443)); this.httpClient = new HttpClient(); this.httpClient.getParams().setAuthenticationPreemptive(true); this.mainUserTx = (UserTransaction) org.jboss.seam.Component .getInstance("org.jboss.seam.transaction.transaction", ScopeType.APPLICATION); Credentials defaultcreds = null; int jobsToBeProcessed = 4; try { this.mainUserTx.setTransactionTimeout(10 * 10 * 60); // 10 mins this.mainUserTx.begin(); this.eventEntityManager.joinTransaction(); defaultcreds = new UsernamePasswordCredentials("admin", this.eventEntityManager .find(CommandParameter.class, CommandParameter.HERITRIX_ADMINPW_KEY).getCommandValue()); jobsToBeProcessed = Integer.parseInt(this.eventEntityManager .find(Parameter.class, Parameter.JOBS_TO_BE_PROCESSED.getKey()).getValue()); JobMapperMonitor.JOBSDIR = this.eventEntityManager.find(Parameter.class, Parameter.JOBS_DIR.getKey()) .getValue(); this.flagBearer.setHostname( this.eventEntityManager.find(Parameter.class, Parameter.HOSTNAME.getKey()).getValue()); this.eventEntityManager.flush(); this.mainUserTx.commit(); } catch (Exception e) { e.printStackTrace(); } this.httpClient.getState().setCredentials( new AuthScope(AuthScope.ANY_SCHEME, AuthScope.ANY_PORT, AuthScope.ANY_REALM), defaultcreds); Logger httpClientlogger = Logger.getLogger(this.httpClient.getClass()); httpClientlogger.setLevel(Level.ERROR); Logger authChallengeProcessorLogger = Logger.getLogger(AuthChallengeProcessor.class); authChallengeProcessorLogger.setLevel(Level.ERROR); Logger httpMethodBaseLogger = Logger.getLogger(HttpMethodBase.class); httpMethodBaseLogger.setLevel(Level.ERROR); this.highPoolThreadFactory = new PoolThreadFactory(JobMapperMonitor.THREADS_PRIORITY); this.threadPool = new ThreadPoolExecutor(jobsToBeProcessed, jobsToBeProcessed, 100, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(), this.highPoolThreadFactory); }
From source file:com.datatorrent.lib.dedup.Deduper.java
public Deduper() { waitingEvents = Maps.newHashMap();//from w w w. j a v a 2 s .c o m partitionKeys = Sets.newHashSet(0); partitionMask = 0; fetchedBuckets = new LinkedBlockingQueue<Bucket<INPUT>>(); counters = new BasicCounters<MutableLong>(MutableLong.class); }