Example usage for java.util.concurrent LinkedBlockingQueue LinkedBlockingQueue

Introduction

In this page you can find the example usage for java.util.concurrent LinkedBlockingQueue LinkedBlockingQueue.

Prototype

public LinkedBlockingQueue(Collection<? extends E> c)

Source Link

Document

Creates a LinkedBlockingQueue with a capacity of Integer#MAX_VALUE , initially containing the elements of the given collection, added in traversal order of the collection's iterator.

Usage

From source file:com.jivesoftware.os.upena.uba.service.Nanny.java

public Nanny(PasswordStore passwordStore, UpenaClient upenaClient, RepositoryProvider repositoryProvider,
        InstanceDescriptor instanceDescriptor, InstancePath instancePath,
        DeployableValidator deployableValidator, DeployLog deployLog, HealthLog healthLog,
        DeployableScriptInvoker invokeScript, UbaLog ubaLog,
        Cache<String, Boolean> haveRunConfigExtractionCache) {

    this.passwordStore = passwordStore;
    this.upenaClient = upenaClient;
    this.repositoryProvider = repositoryProvider;
    this.instanceDescriptor = new AtomicReference<>(instanceDescriptor);
    this.instancePath = instancePath;
    this.deployableValidator = deployableValidator;
    this.deployLog = deployLog;
    this.healthLog = healthLog;
    this.invokeScript = invokeScript;
    this.ubaLog = ubaLog;
    linkedBlockingQueue = new LinkedBlockingQueue<>(10);
    threadPoolExecutor = new ThreadPoolExecutor(1, 1, 1000, TimeUnit.MILLISECONDS, linkedBlockingQueue);
    boolean exists = instancePath.deployLog().exists();
    LOG.info("Stats script for {} exists == {}", instanceDescriptor, exists);
    redeploy = new AtomicBoolean(!exists);
    destroyed = new AtomicBoolean(false);
    this.haveRunConfigExtractionCache = haveRunConfigExtractionCache;
}

From source file:org.yamj.core.service.ScanningScheduler.java

@Scheduled(initialDelay = 5000, fixedDelay = 45000)
public void scanMediaData() throws Exception {
    int maxThreads = configService.getIntProperty("yamj3.scheduler.mediadatascan.maxThreads", 1);
    if (maxThreads <= 0) {
        if (!messageDisabledMediaData) {
            messageDisabledMediaData = Boolean.TRUE;
            LOG.info("Media data scanning is disabled");
        }//from  w w  w  .ja  v a  2 s .  c o m
        return;
    } else {
        messageDisabledMediaData = Boolean.FALSE;
    }

    int maxResults = configService.getIntProperty("yamj3.scheduler.mediadatascan.maxResults", 20);
    List<QueueDTO> queueElements = metadataStorageService.getMediaQueueForScanning(maxResults);
    if (CollectionUtils.isEmpty(queueElements)) {
        LOG.debug("No media data found to scan");
        return;
    }

    LOG.info("Found {} media data objects to process; scan with {} threads", queueElements.size(), maxThreads);
    BlockingQueue<QueueDTO> queue = new LinkedBlockingQueue<QueueDTO>(queueElements);

    ExecutorService executor = Executors.newFixedThreadPool(maxThreads);
    for (int i = 0; i < maxThreads; i++) {
        PluginMetadataRunner worker = new PluginMetadataRunner(queue, pluginMetadataService);
        executor.execute(worker);
    }
    executor.shutdown();

    // run until all workers have finished
    while (!executor.isTerminated()) {
        try {
            TimeUnit.SECONDS.sleep(5);
        } catch (InterruptedException ignore) {
        }
    }

    LOG.debug("Finished media data scanning");
}

From source file:com.openteach.diamond.network.waverider.session.DefaultSession.java

@Override
public boolean init() {
    state = SessionStateEnum.WAVERIDER_SESSION_STATE_FREE;
    inputBuffer = new LinkedBlockingQueue<ByteBuffer>(inBufferSize);
    outputBuffer = new LinkedBlockingQueue<Command>(outBufferSize);
    waitMoreDataLock = new byte[0];
    thread = threadFactory.newThread(new SessionTask());
    thread.start();//from   w  w  w .j a  va2 s  .  co  m
    return true;
}

From source file:org.apache.solr.client.solrj.impl.StreamingUpdateSolrServer.java

/**
 * Uses the supplied HttpClient to send documents to the Solr server, the HttpClient should be instantiated using a
 * MultiThreadedHttpConnectionManager.//from  w w w  . j a va 2 s.c o  m
 */
public StreamingUpdateSolrServer(String solrServerUrl, HttpClient client, int queueSize, int threadCount)
        throws MalformedURLException {
    super(solrServerUrl, client);
    queue = new LinkedBlockingQueue<UpdateRequest>(queueSize);
    this.threadCount = threadCount;
    runners = new LinkedList<Runner>();
}

From source file:github.madmarty.madsonic.util.ImageLoader.java

public ImageLoader(Context context) {

    this.context = context;

    final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
    final int cacheSize = maxMemory / 4;

    cache = new LruCache<String, Bitmap>(cacheSize) {
        @Override// w w w.  j ava 2 s  . c  om
        protected int sizeOf(String key, Bitmap bitmap) {
            return bitmap.getRowBytes() * bitmap.getHeight() / 1024;
        }

        @Override
        protected void entryRemoved(boolean evicted, String key, Bitmap oldBitmap, Bitmap newBitmap) {
            if (evicted) {
                try {
                    oldBitmap.recycle();
                } catch (Exception e) {
                    // Do nothing, just means that the drawable is a flat image
                }
            }
        }
    };

    queue = new LinkedBlockingQueue<Task>(1000);

    // Determine the density-dependent image sizes.
    imageSizeDefault = (int) Math
            .round((context.getResources().getDrawable(R.drawable.unknown_album).getIntrinsicHeight()));
    LOG.info("imageSizeDefault: " + imageSizeDefault);

    imageSizeMedium = 180; // (int) Math.round((context.getResources().getDrawable(R.drawable.unknown_album_medium).getIntrinsicHeight()));;
    LOG.info("imageSizeMedium: " + imageSizeMedium);

    DisplayMetrics metrics = context.getResources().getDisplayMetrics();
    imageSizeLarge = (int) Math.round(Math.min(metrics.widthPixels, metrics.heightPixels) * 0.6);
    LOG.info("imageSizeLarge: " + imageSizeLarge);

    //        imageSizeDefault = Util.getCoverSize(context);

    for (int i = 0; i < CONCURRENCY; i++) {
        new Thread(this, "ImageLoader").start();
    }

    createLargeUnknownImage(context);
}

From source file:cx.fbn.nevernote.threads.IndexRunner.java

public IndexRunner(String logname, String u, String i, String r, String uid, String pswd, String cpswd) {
    foundWords = new TreeSet<String>();
    logger = new ApplicationLogger(logname);
    conn = new DatabaseConnection(logger, u, i, r, uid, pswd, cpswd, 500);
    indexType = SCAN;/* www .  j  a  v a  2s .  c  om*/
    guid = null;
    keepRunning = true;
    doc = new QDomDocument();
    workQueue = new LinkedBlockingQueue<String>(MAX_QUEUED_WAITING);
}

From source file:org.obiba.onyx.core.domain.participant.ParticipantAttributeReader.java

private void doFlatten(ParticipantElement participantElement, Group group,
        List<ParticipantAttribute> attributeList) {
    if (participantElement instanceof ParticipantAttribute) {
        ParticipantAttribute attribute = (ParticipantAttribute) participantElement;
        attribute.setGroup(group);/*from   w w w. j  ava2 s  .c om*/
        if (group.getName().equals(Group.DEFAULT_GROUP_NAME)) {
            // Add attributes without a group to the default group.
            group.addParticipantAttribute(attribute);
        }
        attributeList.add(attribute);
        return;
    } else if (participantElement instanceof Group) {
        Group childGroup = (Group) participantElement;
        LinkedBlockingQueue<ParticipantAttribute> childElements = new LinkedBlockingQueue<ParticipantAttribute>(
                childGroup.getParticipantAttributes());
        for (ParticipantElement childElement : childElements) {
            doFlatten(childElement, childGroup, attributeList);
        }
    }
}

From source file:com.indeed.imhotep.builder.tsv.TsvConverter.java

public TsvConverter() {
    executor = new ThreadPoolExecutor(PARALLEL_BUILDS, 10, 30, TimeUnit.SECONDS,
            new LinkedBlockingQueue<Runnable>(10000), new NamedThreadFactory("Builder", true));
}

From source file:it.txt.ens.client.subscriber.printer.osgi.Activator.java

public Activator() {
    //        filters = new LinkedBlockingQueue<Filter>(CONFIGURATION_CAPACITY);
    filters = new LinkedBlockingQueue<SubscriberFilter>(CONFIGURATION_CAPACITY);
}

From source file:org.mzd.shap.spring.task.PooledTaskExecutor.java

/**
 * Initialization method. This must be called before using the instance.
 * // www . j a  v  a2s. c o m
 * @throws ApplicationException
 */
public void init() throws ApplicationException {
    LOGGER.info("Initializing instance");
    if (getThreadPool() != null) {
        throw new ApplicationException("This instance has already been initialized");
    }
    BlockingQueue<Runnable> queue = new LinkedBlockingQueue<Runnable>(getQueueCapacity());
    setThreadPool(new ThreadPoolExecutor(getCorePoolSize(), getMaximumPoolSize(), getKeepAliveTime(),
            TimeUnit.SECONDS, queue));
    getThreadPool().allowCoreThreadTimeOut(true);
}