Example usage for java.util.concurrent PriorityBlockingQueue PriorityBlockingQueue

Introduction

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

Prototype

public PriorityBlockingQueue(Collection<? extends E> c) 

Source Link

Document

Creates a PriorityBlockingQueue containing the elements in the specified collection.

Usage

From source file:Main.java

/**
 * Creates a fixed priority thread pool.
 *//*www. j a va2 s  .c o  m*/
public static ExecutorService newPriorityThreadPool(String name, int numThreads) {
    return new ThreadPoolExecutor(numThreads, numThreads, 1, TimeUnit.SECONDS,
            new PriorityBlockingQueue<Runnable>(numThreads), newNamedThreadFactory(name));
}

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From source file:com.fatwire.dta.sscrawler.RenderingThreadPool.java

public RenderingThreadPool(final int threadSize) {
    super(threadSize, threadSize, 60, TimeUnit.SECONDS, new PriorityBlockingQueue<Runnable>(5000));

}

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From source file:actor4j.core.DefaultActorThread.java

public DefaultActorThread(ActorSystemImpl system) {
    super(system);

    directiveQueue = new MpscArrayQueue<>(system.getQueueSize());
    priorityQueue = new PriorityBlockingQueue<>(system.getQueueSize());
    serverQueueL2 = new MpscArrayQueue<>(system.getQueueSize());
    serverQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    outerQueueL2 = new MpscArrayQueue<>(system.getQueueSize());
    outerQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    innerQueue = new CircularFifoQueue<>(system.getQueueSize());

    newMessage = new AtomicBoolean(true);
}

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From source file:actor4j.core.XActorThread.java

public XActorThread(ActorSystemImpl system) {
    super(system);

    directiveQueue = new MpscArrayQueue<>(system.getQueueSize());
    priorityQueue = new PriorityBlockingQueue<>(system.getQueueSize());
    serverQueueL2 = new MpscArrayQueue<>(system.getQueueSize());
    serverQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    outerQueueL2B = new MpscLinkedQueue8<>();
    outerQueueL2A = new MpscArrayQueue<>(system.getQueueSize());
    outerQueueL1 = new ArrayDeque<>(system.getBufferQueueSize());
    innerQueueL2 = new LinkedList<>();
    innerQueueL1 = new CircularFifoQueue<>(system.getQueueSize());

    antiFloodingEnabled = new AtomicBoolean(false);

    newMessage = new AtomicBoolean(true);
}

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From source file:org.j2free.http.QueuedHttpCallService.java

/**
 * Enables this service.//from  ww  w  .  ja v a 2 s .c  o  m
 *
 * @param corePoolSize
 * @param maxPoolSize The max number of threads
 * @param threadIdle How long a thread can be idle before terminating it
 * @param connectTimeout How long to wait for a connection
 * @param socketTimeout How long to wait for an operation
 * @throws IllegalStateException if called when the service is already running
 */
public QueuedHttpCallService(int corePoolSize, int maxPoolSize, long threadIdle, int connectTimeout,
        int socketTimeout) {
    if (maxPoolSize < 0)
        maxPoolSize = Integer.MAX_VALUE;

    executor = new ThreadPoolExecutor(corePoolSize, maxPoolSize, threadIdle, TimeUnit.SECONDS,
            new PriorityBlockingQueue<Runnable>(100));

    executor.allowCoreThreadTimeOut(true); // allow the threads to timeout if unused
    executor.prestartCoreThread(); // start up just one thread

    connectionManager = new MultiThreadedHttpConnectionManager();

    // Configure the ConnectionManager
    HttpConnectionManagerParams cmParams = connectionManager.getParams();
    cmParams.setConnectionTimeout(connectTimeout * 1000);
    cmParams.setSoTimeout(socketTimeout * 1000);
    cmParams.setMaxTotalConnections(maxPoolSize);

    httpClient = new HttpClient(connectionManager);
}

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From source file:backup.datanode.DataNodeBackupProcessorBase.java

public DataNodeBackupProcessorBase(Configuration conf) throws Exception {
    int backupThreads = conf.getInt(DFS_BACKUP_DATANODE_BACKUP_THREAD_COUNT_KEY,
            DFS_BACKUP_DATANODE_BACKUP_THREAD_COUNT_DEFAULT);
    int queueDepth = conf.getInt(DFS_BACKUP_DATANODE_BACKUP_QUEUE_DEPTH_KEY,
            DFS_BACKUP_DATANODE_BACKUP_QUEUE_DEPTH_DEFAULT);
    _defaultAge = conf.getLong(DFS_BACKUP_DATANODE_BACKUP_AGE_KEY, DFS_BACKUP_DATANODE_BACKUP_AGE_DEFAULT);

    _closer = Closer.create();//  w  w w  .j  a  va  2s .c  o m
    _service = _closer.register(Executors.newFixedThreadPool(backupThreads + 1));
    _backupQueue = new PriorityBlockingQueue<>(queueDepth);

    _backupQueueDepth = Metrics.METRICS.counter(QUEUE_BACKUP);
    _enqueueBackupDropMetric = Metrics.METRICS.histogram(ENQUEUE_BACKUP_DROP);
    _enqueueBackupRetryMetric = Metrics.METRICS.histogram(ENQUEUE_BACKUP_RETRY);
    _backupThroughput = Metrics.METRICS.meter(BACKUP_THROUGHPUT);

    startBackupThreads(backupThreads);
}

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From source file:org.jiemamy.utils.collection.CollectionsUtil.java

/**
 * {@link PriorityBlockingQueue}?????//  w w w  .  j ava2 s.c o m
 * 
 * @param <E> {@link PriorityBlockingQueue}??
 * @param c ?????
 * @return {@link PriorityBlockingQueue}???
 * @throws IllegalArgumentException ?{@code null}???
 * @see PriorityBlockingQueue#PriorityBlockingQueue(Collection)
 */
public static <E> PriorityBlockingQueue<E> newPriorityBlockingQueue(Collection<? extends E> c) {
    Validate.notNull(c);
    return new PriorityBlockingQueue<E>(c);
}

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From source file:org.jiemamy.utils.collection.CollectionsUtil.java

/**
 * {@link PriorityBlockingQueue}?????/* w  ww .  j  a v  a2 s.c o m*/
 * 
 * @param <E> {@link PriorityBlockingQueue}??
 * @param initialCapacity ?????
 * @return {@link PriorityBlockingQueue}???
 * @throws IllegalArgumentException if <tt>initialCapacity</tt> is less than 1
 * @see PriorityBlockingQueue#PriorityBlockingQueue(int)
 */
public static <E> PriorityBlockingQueue<E> newPriorityBlockingQueue(int initialCapacity) {
    return new PriorityBlockingQueue<E>(initialCapacity);
}

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