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.doxu.g2.gwc.crawler.Crawler.java

public void start() {
    String startUrl = "http://cache.trillinux.org/g2/bazooka.php";
    session.addURL(startUrl);//from   w  w  w .  ja v  a  2s .co  m

    RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(Crawler.CONNECT_TIMEOUT)
            .setSocketTimeout(Crawler.CONNECT_TIMEOUT).build();
    try (CloseableHttpClient httpClient = HttpClients.custom().setUserAgent("doxu/" + Crawler.VERSION)
            .setDefaultRequestConfig(requestConfig).disableAutomaticRetries().build()) {
        CrawlerThreadPoolExecutor executor = new CrawlerThreadPoolExecutor(GWC_CRAWLER_THREADS,
                GWC_CRAWLER_THREADS, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>());
        executor.setListener(new IdleListener() {
            @Override
            public void idle() {
                // If the thread pool is idle and the queue of GWCs to crawl is empty
                // the crawl of GWCs is complete
                if (session.peek() == null) {
                    crawlCompletedBarrier.countDown();
                }
            }
        });

        CrawlThreadFactory factory = CrawlThreadFactory.newFactory(session, httpClient);
        runQueueProcessor(factory, executor);

        executor.shutdown();
        try {
            executor.awaitTermination(30, TimeUnit.SECONDS);
        } catch (InterruptedException ex) {
            Logger.getLogger(Crawler.class.getName()).log(Level.SEVERE, null, ex);
        }
    } catch (IOException ex) {
        Logger.getLogger(Crawler.class.getName()).log(Level.SEVERE, null, ex);
    }

    HostChecker hostChecker = new HostChecker(session);
    hostChecker.start();

    printStats();
    System.out.println(session.toXML());
}

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

public NioSession(NioEventGroup<LISTENER> eventGroup) throws IOException {
    super();/*from ww w .ja v  a  2s  .  co m*/
    __eventGroup = eventGroup;
    __writeBufferQueue = new LinkedBlockingQueue<ByteBuffer>();
}

From source file:com.offbynull.portmapper.common.UdpCommunicator.java

/**
 * Constructs a {@link UdpCommunicator} channel.
 * @param channels channels to use for communication (these will be closed when this class is shutdown)
 * @throws NullPointerException if any argument is or contains {@code null}
 *//*from  ww w .  j  av a2s.c om*/
public UdpCommunicator(List<DatagramChannel> channels) {
    Validate.noNullElements(channels);

    listeners = new LinkedBlockingQueue<>();

    Map<DatagramChannel, LinkedBlockingQueue<ImmutablePair<InetSocketAddress, ByteBuffer>>> intSendQueue = new HashMap<>();
    for (DatagramChannel channel : channels) {
        intSendQueue.put(channel, new LinkedBlockingQueue<ImmutablePair<InetSocketAddress, ByteBuffer>>());
    }
    sendQueue = Collections.unmodifiableMap(intSendQueue);
}

From source file:com.easarrive.datasource.redis.etago.write.impl.TestThumborConfigureDao.java

@Before
public void init() {
    this.callURLQueue = new LinkedBlockingQueue<ThumborCallBackURL>();
    this.callURLQueue.add(new ThumborCallBackURL(
            "http://127.0.0.1:3081/thumbor-executer-1.0.0.0.1-SNAPSHOT/api/config/reload", 0,
            System.currentTimeMillis()));

    this.maxCallCount = 3;
    this.maxTimeInterval = 5000;
}

From source file:net.yacy.cora.storage.Files.java

public static BlockingQueue<String> concurentLineReader(final File f) throws IOException {
    final BlockingQueue<String> q = new LinkedBlockingQueue<String>();
    final InputStream is = read(f);
    final BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
    Thread t = new Thread() {
        @Override// w  ww.ja  v a 2 s.  c  o m
        public void run() {
            Thread.currentThread().setName("Files.concurrentLineReader:" + f);
            String line;
            try {
                while ((line = br.readLine()) != null) {
                    q.put(line);
                }
            } catch (final IOException e) {
            } catch (final InterruptedException e) {
            } finally {
                try {
                    q.put(POISON_LINE);
                    try {
                        br.close();
                        is.close();
                    } catch (final IOException ee) {
                    }
                } catch (final InterruptedException e) {
                    // last try
                    q.add(POISON_LINE);
                    try {
                        br.close();
                        is.close();
                    } catch (final IOException ee) {
                    }
                }
            }
        }
    };
    t.start();
    return q;
}

From source file:com.buaa.cfs.nfs3.AsyncDataService.java

public AsyncDataService() {
    threadFactory = new ThreadFactory() {
        @Override//from w  w w.  j av a  2s .c  o m
        public Thread newThread(Runnable r) {
            return new Thread(threadGroup, r);
        }
    };

    executor = new ThreadPoolExecutor(CORE_THREADS_PER_VOLUME, MAXIMUM_THREADS_PER_VOLUME,
            THREADS_KEEP_ALIVE_SECONDS, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(), threadFactory);

    // This can reduce the number of running threads
    executor.allowCoreThreadTimeOut(true);
}

From source file:org.apache.ambari.log4j.hadoop.mapreduce.jobhistory.JobHistoryAppender.java

public JobHistoryAppender() {
    events = new LinkedBlockingQueue<LoggingEvent>();
    logParser = new MapReduceJobHistoryParser();
    logStore = nullStore;
}

From source file:com.fusesource.forge.jmstest.executor.AbstractBenchmarkExecutionContainer.java

synchronized public void start(String[] args) {
    handleArguments(args);/*from w  w w. ja v a  2  s .c  o  m*/
    if (!started) {
        if (isAutoTerminate()) {
            executor = new TerminatingThreadPoolExecutor("BenchmarkExecutor", 1, 1, 10, TimeUnit.SECONDS,
                    new LinkedBlockingQueue<Runnable>());
        } else {
            executor = new ThreadPoolExecutor(1, 1, 10, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
        }
        executor.submit(this);
        started = true;
    }
}

From source file:com.idlegandalf.ledd.services.ColorService.java

@Override
public IBinder onBind(Intent intent) {
    queue = new LinkedBlockingQueue<>();
    worker = new Worker<>(queue);
    new Thread(worker).start();

    return mBinder;
}

From source file:nebula.plugin.metrics.dispatcher.AbstractQueuedExecutionThreadService.java

public AbstractQueuedExecutionThreadService(boolean failOnError, boolean verboseErrorOuput) {
    this(new LinkedBlockingQueue<E>(), failOnError, verboseErrorOuput);
}