Example usage for java.util.concurrent Executors newScheduledThreadPool

Introduction

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

Prototype

public static ScheduledExecutorService newScheduledThreadPool(int corePoolSize)

Source Link

Document

Creates a thread pool that can schedule commands to run after a given delay, or to execute periodically.

Usage

From source file:rmblworx.tools.timey.SimpleCountdown.java

@Override
public TimeDescriptor startCountdown(final int delayPerThread, final TimeUnit timeUnit) {
    if (delayPerThread < 1) {
        throw new ValueMinimumArgumentException();
    } else if (timeUnit == null) {
        throw new NullArgumentException();
    }//  w w w . jav  a2  s .c  o  m
    this.scheduler = Executors.newScheduledThreadPool(THREAD_POOL_SIZE);
    final CountdownRunnable countdown = (CountdownRunnable) this.springContext.getBean("countdownRunnable",
            this.timeDescriptor, Long.valueOf(this.timePassed));

    this.countdownFuture = this.scheduler.scheduleAtFixedRate(countdown, 0, delayPerThread, timeUnit);

    return this.timeDescriptor;
}

From source file:com.conwet.silbops.connectors.comet.CometAPIHandler.java

public CometAPIHandler(Broker broker, int keelAlivePeriod) {

    this.broker = broker;
    this.keepAlivePeriod = keelAlivePeriod * 1000; // from sec to millis
    nextStreamID = new AtomicLong();
    connStatus = new ConnectionStatus();
    dispatcher = new HashMap<>();
    connectionMonitor = Executors.newScheduledThreadPool(1);

    this.initialize();
    this.createMonitorService();
}

From source file:org.eclipse.flux.core.KeepAliveConnector.java

public KeepAliveConnector(ChannelSwitcher switcher, MessageConnector mc, String serviceTypeId,
        long keepAliveDelay, long keepAliveResponseTimeout) {
    this.channelSwitcher = switcher;
    this.messageConnector = mc;
    this.serviceTypeId = serviceTypeId;
    this.executor = Executors.newScheduledThreadPool(2);
    this.keepAliveDelay = keepAliveDelay;
    this.keepAliveResponseTimeout = keepAliveResponseTimeout;
    this.messageConnector.addMessageHandler(keepAliveResponseHandler);
    setKeepAliveDelayedMessage();/*w  ww .  j av  a  2 s.  c  o  m*/
    mc.addChannelListener(channelListener);
}

From source file:org.apache.brooklyn.util.HttpAssertsTest.java

private void initVars() {
    baseUrl = server.getUrl();//ww w.  j  av a 2s .  c o m
    httpClient = HttpTool.httpClientBuilder().uri(baseUrl).build();
    baseUri = URI.create(baseUrl);
    simpleEndpoint = testUri("/simple");
    executor = Executors.newScheduledThreadPool(3);
}

From source file:com.netflix.paas.PaasModule.java

@Override
protected void configure() {
    LOG.info("Loading PaasModule");

    bind(EventBus.class).toInstance(eventBus);
    bindListener(Matchers.any(), new TypeListener() {
        public <I> void hear(TypeLiteral<I> typeLiteral, TypeEncounter<I> typeEncounter) {
            typeEncounter.register(new InjectionListener<I>() {
                public void afterInjection(I i) {
                    eventBus.register(i);
                }/* w  w w  . j  a v  a  2 s . co  m*/
            });
        }
    });

    bind(TaskManager.class).to(InlineTaskManager.class);

    // Constants
    bind(String.class).annotatedWith(Names.named("namespace")).toInstance("com.netflix.pass.");
    bind(String.class).annotatedWith(Names.named("appname")).toInstance("paas");

    bind(AbstractConfiguration.class).toInstance(ConfigurationManager.getConfigInstance());

    // Configuration
    bind(PaasConfiguration.class).to(ArchaeusPaasConfiguration.class).in(Scopes.SINGLETON);

    // Stuff
    bind(ScheduledExecutorService.class).annotatedWith(Names.named("tasks"))
            .toInstance(Executors.newScheduledThreadPool(10));

    bind(DaoProvider.class).in(Scopes.SINGLETON);

    // Rest resources
    bind(DataResource.class).in(Scopes.SINGLETON);
    bind(SchemaAdminResource.class).to(JerseySchemaAdminResourceImpl.class).in(Scopes.SINGLETON);
    bind(SchemaService.class).to(DaoSchemaService.class).in(Scopes.SINGLETON);

}

From source file:oz.hadoop.yarn.api.core.AbstractApplicationMasterLauncher.java

/**
 * //from  ww  w  .j ava2 s  .c o  m
 * @param applicationSpecification
 */
@SuppressWarnings("unchecked")
AbstractApplicationMasterLauncher(Map<String, Object> applicationSpecification) {
    Assert.notNull(applicationSpecification, "'applicationSpecification' must not be null");
    this.applicationSpecification = applicationSpecification;
    this.applicationName = (String) this.applicationSpecification.get(YayaConstants.APPLICATION_NAME);
    this.applicationContainerSpecification = new PrimitiveImmutableTypeMap(
            (Map<String, Object>) this.applicationSpecification.get(YayaConstants.CONTAINER_SPEC));
    // we only need YarnConfig locally to launch Application Master. No need to pass it along as application arguments.
    this.yarnConfig = (YarnConfiguration) this.applicationSpecification.remove(YayaConstants.YARN_CONFIG);
    this.executor = Executors.newScheduledThreadPool(2);
    this.finite = (StringUtils.hasText(this.applicationContainerSpecification.getString(YayaConstants.COMMAND))
            || this.applicationContainerSpecification.getString(YayaConstants.CONTAINER_ARG) != null) ? true
                    : false;
    String cjt = (String) this.applicationSpecification.get(YayaConstants.CLIENTS_JOIN_TIMEOUT);
    this.awaitAllContainersTimeout = StringUtils.hasText(cjt) ? Integer.parseInt(cjt) : 30;
}

From source file:org.wso2.carbon.coordination.core.services.impl.ZKCoordinationService.java

public ZKCoordinationService(CoordinationConfiguration conf) throws CoordinationException {
    this.closed = false;
    this.enabled = conf.isEnabled();
    if (this.isEnabled()) {
        try {/*  www  . ja  va  2s.  co m*/
            this.zooKeeper = new ZooKeeper(conf.getConnectionString(), conf.getSessionTimeout(), this);
            if (znodeOnCloseDeletionList == null) {
                znodeOnCloseDeletionList = new Vector<String>();
            }
            if (scheduler == null || scheduler.isShutdown()) {
                znodeTimerDeletionList = new Vector<ZKCoordinationService.ZNodeDeletionEntry>();
                scheduler = Executors.newScheduledThreadPool(MAX_SCHEDULER_THREADS);
                scheduler.scheduleWithFixedDelay(new ZNodeDeletionTask(), ZNODE_CLEANUP_TASK_INTERVAL,
                        ZNODE_CLEANUP_TASK_INTERVAL, TimeUnit.MILLISECONDS);
            }
            log.info("Coordination service connection established with ZooKeeper.");
        } catch (IOException e) {
            new CoordinationException(ExceptionCode.IO_ERROR, e);
        }
    } else {
        log.info("Coordination service disabled.");
    }
}

From source file:rmblworx.tools.timey.SimpleTimer.java

@Override
public TimeDescriptor startStopwatch(final int delayPerThread, final TimeUnit timeUnit) {
    if (delayPerThread < 1) {
        throw new ValueMinimumArgumentException();
    } else if (timeUnit == null) {
        throw new NullArgumentException();
    }//from  w  w  w. j  a  v a2s  .c  o  m
    this.timer = (TimerRunnable) this.springContext.getBean("timerRunnable", this.timeDescriptor,
            this.timePassed);

    this.scheduler = Executors.newScheduledThreadPool(THREAD_POOL_SIZE);
    this.timerFuture = this.scheduler.scheduleAtFixedRate(this.timer, 0, delayPerThread, timeUnit);
    this.wasStoppedBefore = false;

    return this.timeDescriptor;
}

From source file:uk.ac.ucl.excites.sapelli.relay.BackgroundService.java

@Override
public void onCreate() {
    // The service is being created
    this.mContext = this;
    // Initialise the database
    dao = new SmsDatabaseSQLite(mContext);

    // Add an SMS receiver
    registerSmsReceiver();//w w  w  .  ja  v  a 2s.c  om

    // Creates a thread pool that can schedule commands to run after a given
    // delay, or to execute periodically.
    scheduleTaskExecutor = Executors.newScheduledThreadPool(1);

    isSending = false;

    // TODO test
    // dao.populateDb(10);
    // dao.retrieveSmsObjects();

    // Wait for the Debugger to be attached
    // android.os.Debug.waitForDebugger();
}

From source file:com.thinkbiganalytics.server.KyloServerApplication.java

@Bean(destroyMethod = "shutdown")
public Executor scheduledTaskExecutor() {
    return Executors.newScheduledThreadPool(25);
}