Example usage for com.google.common.util.concurrent MoreExecutors getExitingScheduledExecutorService

Introduction

In this page you can find the example usage for com.google.common.util.concurrent MoreExecutors getExitingScheduledExecutorService.

Prototype

@Beta
@GwtIncompatible("TODO")
public static ScheduledExecutorService getExitingScheduledExecutorService(ScheduledThreadPoolExecutor executor,
        long terminationTimeout, TimeUnit timeUnit) 

Source Link

Document

Converts the given ScheduledThreadPoolExecutor into a ScheduledExecutorService that exits when the application is complete.

Usage

From source file:se.svt.helios.serviceregistration.consul.ConsulServiceRegistrar.java

public ConsulServiceRegistrar(final ConsulClient consulClient, final String serviceCheckScript,
        final String serviceCheckInterval) {
    this.consulClient = consulClient;
    this.serviceCheckScript = serviceCheckScript;
    this.serviceCheckInterval = serviceCheckInterval;

    this.handles = Maps.newConcurrentMap();
    this.endpoints = Sets.newConcurrentHashSet();

    this.executor = MoreExecutors.getExitingScheduledExecutorService(
            (ScheduledThreadPoolExecutor) Executors.newScheduledThreadPool(1,
                    new ThreadFactoryBuilder().setNameFormat("consul-registrar-%d").build()),
            0, TimeUnit.SECONDS);

    // If the Consul agent is restarted, all services will forgotten. Therefore we sync the
    // state between services known by this plugin and services registered in Consul.
    Runnable registrationRunnable = new Runnable() {
        @Override//w ww  .ja  v a  2  s. c  om
        public void run() {
            syncState();
        }
    };
    this.executor.scheduleAtFixedRate(registrationRunnable, CONSUL_UPDATE_INTERVAL, CONSUL_UPDATE_INTERVAL,
            TimeUnit.SECONDS);
}

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From source file:org.factcast.server.rest.resources.FactsObserverFactory.java

@Inject
public FactsObserverFactory(@NonNull LinkFactory<FactsResource> factsResourceLinkFactory,
        @NonNull HyperSchemaCreator hyperSchemaCreator, @NonNull FactTransformer factTransformer,
        @Value("${rest.cleanup-conn.threads-nr:10}") int nrCleanUpThreads,
        @Value("${rest.cleanup-conn.interval-sec:10}") int waitSecondsForCleanUpCheck) {
    this(factsResourceLinkFactory, hyperSchemaCreator, factTransformer,
            MoreExecutors.getExitingScheduledExecutorService(new ScheduledThreadPoolExecutor(nrCleanUpThreads),
                    100, TimeUnit.MILLISECONDS),
            waitSecondsForCleanUpCheck);
}

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From source file:com.addthis.bundle.channel.BatchingDataChannelOutput.java

/**
 * Constructor initializes a empty messsage list and starts a purge thread which runs
 * every {@code maxTimeInMillis} and checks to see if the messages need to be purged
 * from the queue./*  w  w  w . java  2 s. c  o  m*/
 *
 * @param batchSize       - the number of messages that the channel should queue before invoking sendBatch
 * @param maxTimeInMillis - the maximum time in milliseconds a message can sit on the queue before
 *                        being sent to the channel.
 */
public BatchingDataChannelOutput(int batchSize, long maxTimeInMillis) {
    messageList = new ArrayList<Bundle>();
    this.maxTimeInMillis = maxTimeInMillis;
    this.batchSize = batchSize;
    bufferPurgeExecutor = MoreExecutors.getExitingScheduledExecutorService(
            new ScheduledThreadPoolExecutor(1,
                    new ThreadFactoryBuilder().setNameFormat("BatchingDataChannelOutputThread-%d").build()),
            5000, TimeUnit.MILLISECONDS);
    bufferPurgeExecutor.scheduleWithFixedDelay(new BatchSendRunner(), maxTimeInMillis, maxTimeInMillis,
            TimeUnit.MILLISECONDS);
}

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From source file:com.spotify.helios.agent.TaskMonitor.java

public TaskMonitor(final JobId jobId, final FlapController flapController, final StatusUpdater statusUpdater) {
    this.jobId = jobId;
    this.flapController = flapController;
    this.statusUpdater = statusUpdater;

    final ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
    // Let core threads time out to avoid unnecessarily keeping a flapping state check thread alive
    // for the majority of tasks that do not flap.
    executor.setKeepAliveTime(5, SECONDS);
    executor.allowCoreThreadTimeOut(true);
    this.scheduler = MoreExecutors.getExitingScheduledExecutorService(executor, 0, SECONDS);
}

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From source file:com.spotify.helios.serviceregistration.skydns.SkyDnsServiceRegistrar.java

/**
 * @param etcdClient client to talk to etcd with.
 * @param timeToLiveSeconds how long entries in the discovery service should live.
 * @param format the hostname format./*from w w  w. ja  va  2  s .  co  m*/
 */
public SkyDnsServiceRegistrar(final MiniEtcdClient etcdClient, final int timeToLiveSeconds,
        final String format) {
    this.etcdClient = Preconditions.checkNotNull(etcdClient);
    this.timeToLiveSeconds = timeToLiveSeconds;
    this.handles = Maps.newConcurrentMap();

    this.executor = MoreExecutors.getExitingScheduledExecutorService(
            (ScheduledThreadPoolExecutor) Executors.newScheduledThreadPool(1, threadFactory), 0, SECONDS);

    // Dividing into thirds, since at least halves are necessary to ensure that the item doesn't
    // expire due to a slight delay, and went to thirds so that a single failure won't tank the
    // registration
    this.executor.scheduleAtFixedRate(registrationRunnable, timeToLiveSeconds / 3, timeToLiveSeconds / 3,
            SECONDS);
    this.srvFormat = format;
}

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