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()

Source Link

Document

Creates a LinkedBlockingQueue with a capacity of Integer#MAX_VALUE .

Usage

From source file:org.obm.locator.BlockingServlet.java

@Inject
private BlockingServlet() {
    nextResponses = new LinkedBlockingQueue<Reply>();
}

From source file:net.ymate.platform.serv.nio.support.NioSession.java

public NioSession(NioEventGroup<LISTENER> eventGroup, SelectableChannel channel) {
    super();/*from  ww  w .ja  v  a  2 s  .  c o m*/
    __eventGroup = eventGroup;
    __writeBufferQueue = new LinkedBlockingQueue<ByteBuffer>();
    //
    __channel = channel;
}

From source file:com.rejuvenation.parse.json.JProperty.java

private void init() {
    mFieldSet = new HashSet<JFieldBean>();
    mGenericQueue = new LinkedBlockingQueue<Class<?>>();
}

From source file:co.mafiagame.engine.executor.CommandExecutor.java

@PostConstruct
public void init() {
    commandsMap = new HashMap<>();
    commands.forEach(c -> commandsMap.put(c.commandName(), c));
    singleThread = new ThreadPoolExecutor(10, 10, keepAlive, TimeUnit.MINUTES, new LinkedBlockingQueue<>());
}

From source file:com.evandroid.musica.services.BatchDownloaderService.java

public BatchDownloaderService() {
    super("Batch Downloader Service");
    mDownloadThreadPool = new ThreadPoolExecutor(CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_TIME,
            KEEP_ALIVE_TIME_UNIT, new LinkedBlockingQueue<Runnable>());
}

From source file:org.apache.axis2.transport.base.threads.NativeWorkerPool.java

public NativeWorkerPool(int core, int max, int keepAlive, int queueLength, String threadGroupName,
        String threadGroupId, BlockingQueue<Runnable> queue) {

    if (log.isDebugEnabled()) {
        log.debug("Using native util.concurrent package..");
    }/*  w  ww.j a v  a2s  . c  o m*/

    if (queue == null) {
        blockingQueue = (queueLength == -1 ? new LinkedBlockingQueue<Runnable>()
                : new LinkedBlockingQueue<Runnable>(queueLength));
    } else {
        blockingQueue = queue;
    }

    executor = new Axis2ThreadPoolExecutor(core, max, keepAlive, TimeUnit.SECONDS, blockingQueue,
            new NativeThreadFactory(new ThreadGroup(threadGroupName), threadGroupId));
}

From source file:rk.java.compute.cep.ComputeService.java

/**
 * @param numberOfTickSources - used to build quorum for shutdown
 * @param eventBus - an {@link EventBus} that's used for the creation of {@link Compute} instances
 *//*from  w w  w.ja  v a 2 s.c  om*/
public ComputeService(final int numberOfTickSources, IPriceEventSink eventBus) {
    this(new LinkedBlockingQueue<IPriceTick>(), numberOfTickSources, eventBus);
}

From source file:com.liferay.sync.engine.lan.session.LanSession.java

public static ExecutorService getExecutorService() {
    if (_queryExecutorService != null) {
        return _queryExecutorService;
    }//from w w w.j a  va 2 s  . c  om

    _queryExecutorService = new ThreadPoolExecutor(PropsValues.SYNC_LAN_SESSION_QUERY_POOL_MAX_SIZE,
            PropsValues.SYNC_LAN_SESSION_QUERY_POOL_MAX_SIZE, 60, TimeUnit.SECONDS,
            new LinkedBlockingQueue<Runnable>());

    _queryExecutorService.allowCoreThreadTimeOut(true);

    return _queryExecutorService;
}

From source file:de.th.wildau.dsc.sne.webserver.WebServer.java

/**
 * Web server / main constructor./*from   w w w.ja  v a2s .  c  om*/
 * 
 * @param startArguments
 */
public WebServer(String[] startArguments) {

    loadConfiguration(startArguments);
    Log.debug(Configuration.getInstance().toString());

    Log.debug("Information about the OS: " + System.getProperty("os.name") + " - "
            + System.getProperty("os.version") + " - " + System.getProperty("os.arch"));

    if (Configuration.getConfig().getProxyHost() != null) {
        Log.debug("setup proxy configuration");
        System.setProperty("http.proxyHost", Configuration.getConfig().getProxyHost());
        System.setProperty("http.proxyPort", String.valueOf(Configuration.getConfig().getProxyPort()));
    }

    Log.debug("find supported scripting languages");
    supportedScriptLanguages = Collections.unmodifiableList(ScriptExecutor.getSupportedScriptLanguages());
    Log.debug("Supported Script Languages " + Arrays.toString(supportedScriptLanguages.toArray()));

    Log.info("instantiating web server");
    try {
        ServerSocket server = new ServerSocket(Configuration.getConfig().getServerPort());
        Log.debug("bound port " + Configuration.getConfig().getServerPort());

        int corePoolSize = Runtime.getRuntime().availableProcessors();
        int maxPoolSize = (2 * corePoolSize) + 1;
        Log.debug("core/max pool size: " + corePoolSize + "/" + maxPoolSize);
        LinkedBlockingQueue<Runnable> workerQueue = new LinkedBlockingQueue<Runnable>();
        long keepAliveTime = 30;
        /*
         * keepAliveTime - If the pool currently has more than corePoolSize
         * threads, excess threads will be terminated if they have been idle
         * for more than the keepAliveTime.
         */

        ThreadPoolExecutor threadPool = new ThreadPoolExecutor(corePoolSize, maxPoolSize, keepAliveTime,
                TimeUnit.SECONDS, workerQueue);
        threadPool.prestartAllCoreThreads();

        Socket socket = null;
        while (true) {

            try {
                socket = server.accept();
                Log.info(socket.getInetAddress().getHostName() + " client request");
                threadPool.execute(new HttpHandler(socket));
                Log.debug("current threads: " + threadPool.getActiveCount());
            } catch (final IOException ex) {
                Log.error("Connection failed!", ex);
            } catch (final RejectedExecutionException ex) {
                // XXX [sne] RejectedExecutionException
                // http://stackoverflow.com/questions/1519725/why-does-executors-newcachedthreadpool-throw-java-util-concurrent-rejectedexecut
                // http://www.javamex.com/tutorials/threads/thread_pools_queues.shtml
                // http://stackoverflow.com/questions/2001086/how-to-make-threadpoolexecutors-submit-method-block-if-it-is-saturated
                Log.error("RejectedExecutionException", ex);
                socket.close();
            } catch (final Exception ex) {
                Log.fatal("Unknown error!", ex);
            }
        }
    } catch (final IOException ex) {
        Log.fatal("Can not start the server!", ex);
        System.err.println("Can not start the server! " + ex.getMessage());
    } catch (final Exception ex) {
        Log.fatal("Unknown error!", ex);
    }
}

From source file:com.geecko.QuickLyric.services.BatchDownloaderService.java

public BatchDownloaderService() {
    super("Batch Downloader Service");
    mDownloadThreadPool = new ThreadPoolExecutor(CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE_TIME,
            KEEP_ALIVE_TIME_UNIT, new LinkedBlockingQueue<Runnable>());
    this.dbHelper = DatabaseHelper.getInstance(this);
}