Example usage for java.util.concurrent ArrayBlockingQueue ArrayBlockingQueue

Introduction

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

Prototype

public ArrayBlockingQueue(int capacity)

Source Link

Document

Creates an ArrayBlockingQueue with the given (fixed) capacity and default access policy.

Usage

From source file:io.kahu.hawaii.util.call.dispatch.HawaiiExecutorImpl.java

public HawaiiExecutorImpl(String name, int corePoolSize, int maximumPoolSize, int queueSize,
        TimeOut threadKeepAlive, LogManager logManager) {
    this(name, corePoolSize, maximumPoolSize, threadKeepAlive, new ArrayBlockingQueue<>(queueSize),
            new HawaiiThreadFactory(name), null, logManager);
}

From source file:com.pinterest.rocksplicator.controller.WorkerPoolTest.java

@Test
public void testAssignSingleTask() throws Exception {
    Semaphore idleWorkersSemaphore = new Semaphore(0);
    ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(1, 1, 0, TimeUnit.SECONDS,
            new ArrayBlockingQueue<Runnable>(1));
    WorkerPool workerPool = new WorkerPool(threadPoolExecutor, idleWorkersSemaphore, new TaskQueue() {
    });//from w w  w.  j  a v  a 2 s. c  o  m
    workerPool.assignTask(getSleepIncrementTask());
    Thread.sleep(2000);
    Assert.assertEquals(1, SleepIncrementTask.executionCounter.intValue());
    workerPool.assignTask(getSleepIncrementTask());
    Thread.sleep(2000);
    Assert.assertEquals(2, SleepIncrementTask.executionCounter.intValue());
    Assert.assertEquals(2, idleWorkersSemaphore.availablePermits());
}

From source file:org.openspaces.remoting.scripting.cache.BlockingQueueCompiledScriptPool.java

public void init(LocalScriptExecutor executor, Script script) throws ScriptingException {
    this.executor = executor;
    queue = new ArrayBlockingQueue<Object>(size);
    for (int i = 0; i < size; i++) {
        queue.add(executor.compile(script));
    }//from  w w  w . j  a v a  2 s .  c o m
}

From source file:oz.hadoop.yarn.api.net.ByteBufferPool.java

/**
 * //from w ww . ja v  a2 s.  co m
 * @param initialBufferSize
 * @param bufferCount
 */
public ByteBufferPool(int initialBufferSize, int bufferCount) {
    this.initialBufferSize = initialBufferSize;
    this.bufferQueue = new ArrayBlockingQueue<>(bufferCount);
}

From source file:me.schiz.jmeter.ring.udp.EventLoopRunnable.java

public EventLoopRunnable(Ring ring) {
    this.ring = ring;
    byteBuffer = ByteBuffer.allocateDirect(ring.getBufferSize());
    registerQueue = new ArrayBlockingQueue<KeyValue>(REGS_PER_ITERATION * 4);

    try {/* www  .j a va2 s  .c om*/
        this.selector = Selector.open();
    } catch (IOException e) {
        log.error("Can't open selector", e);
    }
}

From source file:org.paxle.se.index.lucene.impl.LuceneWriterTest.java

@Override
protected void setUp() throws Exception {
    super.setUp();

    // a dummy indexer-input-queue
    this.queue = new ArrayBlockingQueue<ICommand>(5);
    this.dataSource = new DummySource();

    // create a dummy command tracker
    this.cmdTracker = mock(ICommandTracker.class);

    // create an index writer
    this.writer = new LuceneWriter() {
        {//from w ww  .  j  a  v a  2  s  . c  om
            this.manager = lmanager;
            this.stopwordsManager = LuceneWriterTest.this.stopwordsManager;
            this.commandTracker = LuceneWriterTest.this.cmdTracker;
            this.activate(null);
        }
    };
    this.writer.setDataSource(this.dataSource);
}

From source file:MdDetect.java

/**
 * Set up a ThreadPoolExecutor to process files in parallel
 *
 * @param capacity pool size/*www.  java2s  .c  om*/
 */
private static void initExecutor(int capacity) {
    executorService = new ThreadPoolExecutor(1, // min pool size
            Runtime.getRuntime().availableProcessors() * 4, // max pool shouldn't exceed cores
            2, // how many * how long?
            TimeUnit.SECONDS, // unit of time
            new ArrayBlockingQueue<Runnable>(capacity // initialize the list with a finite capacity
            ));
}

From source file:org.springframework.integration.ftp.QueuedFtpClientPool.java

/**
 * @param maxPoolSize the maximum size of the pool
 */// w  w  w  .j  a v  a  2  s .c  o  m
public QueuedFtpClientPool(int maxPoolSize, FtpClientFactory factory) {
    Assert.notNull(factory);
    this.factory = factory;
    pool = new ArrayBlockingQueue<FTPClient>(maxPoolSize);
}

From source file:cn.clxy.codes.upload.UploadFileService.java

private void doUpload(final List<Integer> indexes) {

    log.debug("Start! ===--------------------");

    BlockingQueue<Part> parts = new ArrayBlockingQueue<Part>(Config.MAX_READ);
    CompletionService<String> cs = new ExecutorCompletionService<String>(executor);

    log.debug("Reading started.");
    cs.submit(new ReadTask(file, indexes, parts));

    log.debug("Uploading started.");

    for (int i = 0; i < Config.MAX_UPLOAD; i++) {
        cs.submit(new UploadTask("upload." + i, uploader, parts));
    }//from   w  w  w  .  j  a v a 2  s .  c o m

    // Wait all done. total count = maxUpload + 1.
    for (int i = 0; i <= Config.MAX_UPLOAD; i++) {
        Future<String> future = null;
        try {
            future = cs.take();
            checkFuture(future);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }

    // Notify sever all done.
    Future<String> result = executor.submit(new NotifyTask(file, uploader));
    checkFuture(result);

    log.debug("End! ===--------------------");
}

From source file:org.apache.flink.streaming.api.streamcomponent.StreamIterationSource.java

@SuppressWarnings("rawtypes")
public StreamIterationSource() {

    outputHandler = new OutputHandler();
    numSources = newComponent();/*w  w w.ja v a  2s  .  c  om*/
    instanceID = numSources;
    dataChannel = new ArrayBlockingQueue<StreamRecord>(1);
}