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, boolean fair) 

Source Link

Document

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

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    int capacity = 10;
    ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity, false);

    int numWorkers = 2;
    Worker[] workers = new Worker[numWorkers];
    for (int i = 0; i < workers.length; i++) {
        workers[i] = new Worker(queue);
        workers[i].start();/* w  w  w.  j a v  a2  s .c  om*/
    }

    for (int i = 0; i < 100; i++) {
        queue.put(i);
    }
}

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From source file:Main.java

public static <E> ArrayBlockingQueue<E> newArrayBlockingQueue(final int capacity, final boolean fair) {
    return new ArrayBlockingQueue<E>(capacity, fair);
}

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From source file:org.apache.streams.elasticsearch.example.ElasticsearchDelete.java

private static ExecutorService newFixedThreadPoolWithQueueSize(int nThreads, int queueSize) {
    return new ThreadPoolExecutor(nThreads, nThreads, 5000L, TimeUnit.MILLISECONDS,
            new ArrayBlockingQueue<Runnable>(queueSize, true), new ThreadPoolExecutor.CallerRunsPolicy());
}

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From source file:com.yobidrive.diskmap.TokenSynchronizer.java

public TokenSynchronizer(int allowedConcurrent) {
    super();/* w w w.ja  va  2  s.  co m*/
    processingQ = new ArrayBlockingQueue<Integer>(allowedConcurrent, true);
    try {
        for (int i = 0; i < allowedConcurrent; i++) {
            Integer iInt = new Integer(i);
            processingQ.put(iInt);
        }
    } catch (Throwable th) {
        logger.error("Error putting tokens", th);
    }
}

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From source file:com.joshlong.esb.springintegration.modules.net.sftp.QueuedSFTPSessionPool.java

public void afterPropertiesSet() throws Exception {
    assert maxPoolSize > 0 : "poolSize must be greater than 0!";
    queue = new ArrayBlockingQueue<SFTPSession>(maxPoolSize, true); // size, faireness to avoid starvation
    assert sftpSessionFactory != null : "sftpSessionFactory must not be null!";
}

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From source file:ch.cyberduck.core.transfer.TransferQueue.java

public TransferQueue(final int size) {
    this.running = new ArrayBlockingQueue<Transfer>(size, true);
}

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From source file:org.nebula.framework.core.EventPoller.java

public EventPoller(NebulaClient nebulaClient, E nodeDefinition, List<String> realms,
        Configuration configuration) {
    this.nebulaClient = nebulaClient;
    this.nodeDefinition = nodeDefinition;
    this.realms = realms;
    this.configuration = configuration;

    int maxExecutionThreads = configuration.getMaxExecutionThreads();

    this.nodeExecutor = new ThreadPoolExecutor(1, maxExecutionThreads, 60L, TimeUnit.SECONDS,
            new ArrayBlockingQueue<Runnable>(maxExecutionThreads, true),
            new ThreadPoolExecutor.CallerRunsPolicy());
}

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From source file:org.opendaylight.sxp.route.core.RouteReactorZipImpl.java

/**
 * @param delegate service used for delegation
 *///from w w  w.  jav a  2 s .c  o m
public RouteReactorZipImpl(RouteReactor delegate) {
    this.delegate = Objects.requireNonNull(delegate);
    compressionQueue = new ArrayBlockingQueue<>(1, true);
    queueGuard = new Semaphore(1, true);
    updateRouteTask = createUpdateRoutingTask();
}

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From source file:org.apache.lucene.gdata.storage.IDGenerator.java

/** 
 * Constructs a new ID generator. with a fixed capacity of prebuild ids. The 
 * default capacity is 10. Every given parameter less than 10 will be 
 * ignored. /*from   w  w  w  . jav  a  2 s.c  om*/
 *  
 * @param capacity - 
 *            capacity of the prebuild id queue 
 * @throws NoSuchAlgorithmException - 
 *             if the algorithm does not exist 
 */
public IDGenerator(int capacity) throws NoSuchAlgorithmException {

    this.secureRandom = SecureRandom.getInstance("SHA1PRNG");
    this.mdigest = MessageDigest.getInstance("SHA-1");
    this.blockingQueue = new ArrayBlockingQueue<String>(
            (capacity < DEFAULT_CAPACITY ? DEFAULT_CAPACITY : capacity), false);
    startIDProducer();

}

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From source file:net.solarnetwork.node.backup.DefaultBackupManager.java

private static ExecutorService defaultExecutorService() {
    // we want at most one backup happening at a time by default
    return new ThreadPoolExecutor(0, 1, 5, TimeUnit.MINUTES, new ArrayBlockingQueue<Runnable>(3, true));
}

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