Examples of edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$Guard

Package edu.emory.mathcs.backport.java.util.concurrent

Examples of edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$Guard

edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue
An optionally-bounded {@linkplain BlockingQueue blocking queue} based onlinked nodes. This queue orders elements FIFO (first-in-first-out). The head of the queue is that element that has been on the queue the longest time. The tail of the queue is that element that has been on the queue the shortest time. New elements are inserted at the tail of the queue, and the queue retrieval operations obtain elements at the head of the queue. Linked queues typically have higher throughput than array-based queues but less predictable performance in most concurrent applications.
The optional capacity bound constructor argument serves as a way to prevent excessive queue expansion. The capacity, if unspecified, is equal to {@link Integer#MAX_VALUE}. Linked nodes are dynamically created upon each insertion unless this would bring the queue above capacity.
This class and its iterator implement all of the optional methods of the {@link Collection} and {@link Iterator} interfaces.
This class is a member of the Java Collections Framework. @since 1.5 @author Doug Lea

    /**
     * Create the queue used to hold incoming requests when requestCoreThreadPoolSize threads are busy.
     * Default is an unbounded queue.
     */
    public BlockingQueue newRequestBlockingQueue() {
        return new LinkedBlockingQueue();
    }

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        log.debug("Using backport of the util.concurrent package..");
        executor = new ThreadPoolExecutor(
            core, max, keepAlive,
            TimeUnit.SECONDS,
            queueLength == -1 ?
                new LinkedBlockingQueue() :
                new LinkedBlockingQueue(queueLength),
            new BackportThreadFactory(new ThreadGroup(threadGroupName), threadGroupId));
    }

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  public void start() throws AxisFault {
        // create thread pool of workers
       ExecutorService workerPool = new ThreadPoolExecutor(
                1,
                WORKERS_MAX_THREADS, WORKER_KEEP_ALIVE, TIME_UNIT,
                new LinkedBlockingQueue(),
                new org.apache.axis2.util.threadpool.DefaultThreadFactory(
                        new ThreadGroup("XMPP Worker thread group"),
                        "XMPPWorker"));


        Iterator iter = connectionFactories.values().iterator();

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   * @see edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue
   * @see edu.emory.mathcs.backport.java.util.concurrent.SynchronousQueue
   */
  protected BlockingQueue createQueue(int queueCapacity) {
    if (queueCapacity > 0) {
      return new LinkedBlockingQueue(queueCapacity);
    }
    else {
      return new SynchronousQueue();
    }
  }

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   * @see edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue
   * @see edu.emory.mathcs.backport.java.util.concurrent.SynchronousQueue
   */
  protected BlockingQueue createQueue(int queueCapacity) {
    if (queueCapacity > 0) {
      return new LinkedBlockingQueue(queueCapacity);
    }
    else {
      return new SynchronousQueue();
    }
  }

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    public void start() throws AxisFault {
        // create thread pool of workers
        workerPool = new ThreadPoolExecutor(
                1,
                WORKERS_MAX_THREADS, WORKER_KEEP_ALIVE, TIME_UNIT,
                new LinkedBlockingQueue(),
                new org.apache.axis2.util.threadpool.DefaultThreadFactory(
                        new ThreadGroup("JMS Worker thread group"),
                        "JMSWorker"));


        Iterator iter = connectionFactories.values().iterator();

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     * one.
     *
     * @param maxSize Maximum size of the work executor pool.
     */
    public WorkExecutorPoolImpl(int maxSize) {
        pooledExecutor = new ThreadPoolExecutor(1, maxSize, 1, TimeUnit.MINUTES, new LinkedBlockingQueue());
        /*


        FIXME: How to do this with concurrent.util ?
        pooledExecutor.waitWhenBlocked();
        */

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     * Start this listener
     */
    public void start() throws AxisFault {
        workerPool = new ThreadPoolExecutor(1,
                                            WORKERS_MAX_THREADS, WORKER_KEEP_ALIVE, TIME_UNIT,
                                            new LinkedBlockingQueue(),
                                            new DefaultThreadFactory(
                                                    new ThreadGroup("Mail Worker thread group"),
                                                    "MailWorker"));


        messageQueue = new LinkedBlockingQueue();


        this.configurationContext.getThreadPool().execute(this);


        MailWorkerManager mailWorkerManager = new MailWorkerManager(configurationContext,
                                                                    messageQueue, workerPool,

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                );
        }


        if( sharedPool )
        {
            cSharedThreadPool = new ThreadPoolExecutor(initialThreads, maxThreads, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue(), new PriorityThreadFactory(threadPriority));
        }
        else
        {
            this.mThreadPool = new ThreadPoolExecutor(initialThreads, maxThreads, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue(), new PriorityThreadFactory(threadPriority));
        }
    }

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            rc = new ThreadPoolExecutor(corePoolSize, maxPoolSize, 10,
                    TimeUnit.SECONDS, new SynchronousQueue(),
                    new DefaultThreadFactory(name, daemon, priority));
        } else {
            rc = new ThreadPoolExecutor(corePoolSize, maxPoolSize, 10,
                    TimeUnit.SECONDS, new LinkedBlockingQueue(),
                    new DefaultThreadFactory(name, daemon, priority));
        }
        rc.allowCoreThreadTimeOut(true);
        return rc;
    }

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