Example usage for io.netty.util HashedWheelTimer HashedWheelTimer

Introduction

In this page you can find the example usage for io.netty.util HashedWheelTimer HashedWheelTimer.

Prototype

public HashedWheelTimer(ThreadFactory threadFactory, long tickDuration, TimeUnit unit, int ticksPerWheel,
        boolean leakDetection) 

Source Link

Document

Creates a new timer.

Usage

From source file:io.pravega.controller.timeout.TimerWheelTimeoutService.java

License:Open Source License

@VisibleForTesting
TimerWheelTimeoutService(final StreamTransactionMetadataTasks streamTransactionMetadataTasks,
        final TimeoutServiceConfig timeoutServiceConfig,
        final BlockingQueue<Optional<Throwable>> taskCompletionQueue) {
    this.streamTransactionMetadataTasks = streamTransactionMetadataTasks;
    this.hashedWheelTimer = new HashedWheelTimer(THREAD_FACTORY, TICK_DURATION, TIME_UNIT, TICKS_PER_WHEEL,
            LEAK_DETECTION);/*from w ww . j a va2  s . c  om*/
    this.map = new ConcurrentHashMap<>();
    this.maxLeaseValue = timeoutServiceConfig.getMaxLeaseValue();
    this.maxScaleGracePeriod = timeoutServiceConfig.getMaxScaleGracePeriod();
    this.taskCompletionQueue = taskCompletionQueue;
    this.startAsync();
}

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From source file:org.apache.bookkeeper.clients.utils.ClientResources.java

License:Apache License

private ClientResources() {
    this.scheduler = new Resource<OrderedScheduler>() {

        private static final String name = "client-scheduler";

        @Override/*from w  w  w  .ja v a 2  s  . c  om*/
        public OrderedScheduler create() {
            return OrderedScheduler.newSchedulerBuilder()
                    .numThreads(Runtime.getRuntime().availableProcessors() * 2).name(name).build();
        }

        @Override
        public void close(OrderedScheduler instance) {
            instance.shutdown();
        }

        @Override
        public String toString() {
            return name;
        }
    };

    this.timer = new Resource<HashedWheelTimer>() {

        private static final String name = "client-timer";

        @Override
        public HashedWheelTimer create() {
            HashedWheelTimer timer = new HashedWheelTimer(
                    new ThreadFactoryBuilder().setNameFormat(name + "-%d").build(), 200, TimeUnit.MILLISECONDS,
                    512, true);
            timer.start();
            return timer;
        }

        @Override
        public void close(HashedWheelTimer instance) {
            instance.stop();
        }

        @Override
        public String toString() {
            return name;
        }
    };

    this.executor = new Resource<ExecutorService>() {

        private static final String name = "stream-client-executor";

        @Override
        public ExecutorService create() {
            return Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2);
        }

        @Override
        public void close(ExecutorService instance) {
            instance.shutdown();
        }

        @Override
        public String toString() {
            return name;
        }
    };
}

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From source file:org.apache.bookkeeper.stream.storage.StorageResources.java

License:Apache License

private StorageResources(StorageResourcesSpec spec) {
    this.scheduler = createSchedulerResource("storage-scheduler", spec.numSchedulerThreads());
    this.ioWriteScheduler = createSchedulerResource("io-write-scheduler", spec.numIOWriteThreads());
    this.ioReadScheduler = createSchedulerResource("io-read-scheduler", spec.numIOReadThreads());
    this.checkpointScheduler = createSchedulerResource("io-checkpoint-scheduler", spec.numCheckpointThreads());

    this.timer = new Resource<HashedWheelTimer>() {

        private static final String name = "storage-timer";

        @Override//w w w.ja  va2s .  c  o  m
        public HashedWheelTimer create() {
            HashedWheelTimer timer = new HashedWheelTimer(
                    new ThreadFactoryBuilder().setNameFormat(name + "-%d").build(), 200, TimeUnit.MILLISECONDS,
                    512, true);
            timer.start();
            return timer;
        }

        @Override
        public void close(HashedWheelTimer instance) {
            instance.stop();
        }

        @Override
        public String toString() {
            return name;
        }
    };
}

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