Example usage for java.util.concurrent ScheduledFuture isCancelled

Introduction

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

Prototype

boolean isCancelled();

Source Link

Document

Returns true if this task was cancelled before it completed normally.

Usage

From source file:org.apache.hadoop.yarn.server.resourcemanager.security.TestX509SecurityHandler.java

@Test(timeout = 12000)
public void testFailedCertificateRenewal() throws Exception {
    conf.set(YarnConfiguration.HOPS_RM_SECURITY_ACTOR_KEY,
            "org.apache.hadoop.yarn.server.resourcemanager.security.TestingRMAppSecurityActions");
    RMAppSecurityManager securityManager = new RMAppSecurityManager(rmContext);
    MockX509SecurityHandler.MockFailingX509SecurityHandler x509Handler = new MockX509SecurityHandler.MockFailingX509SecurityHandler(
            rmContext, securityManager, Integer.MAX_VALUE);
    securityManager.registerRMAppSecurityHandlerWithType(x509Handler, X509SecurityHandler.class);
    securityManager.init(conf);//from   w w w . ja v  a2s. c om
    securityManager.start();

    LocalDateTime now = DateUtils.getNow();
    LocalDateTime expiration = now.plus(10, ChronoUnit.SECONDS);
    ApplicationId appId = ApplicationId.newInstance(DateUtils.localDateTime2UnixEpoch(now), 1);
    X509SecurityHandler.X509MaterialParameter x509Param = new X509SecurityHandler.X509MaterialParameter(appId,
            "Dolores", 1);
    x509Param.setExpiration(DateUtils.localDateTime2UnixEpoch(expiration));
    x509Handler.registerRenewer(x509Param);

    Map<ApplicationId, ScheduledFuture> tasks = x509Handler.getRenewalTasks();
    // There should be a scheduled task
    ScheduledFuture task = tasks.get(appId);
    assertFalse(task.isCancelled());
    assertFalse(task.isDone());
    assertFalse(x509Handler.hasRenewalFailed());
    assertEquals(0, x509Handler.getNumberOfRenewalFailures());

    TimeUnit.SECONDS.sleep(10);
    assertTrue(tasks.isEmpty());
    assertEquals(4, x509Handler.getNumberOfRenewalFailures());
    assertTrue(x509Handler.hasRenewalFailed());
    securityManager.stop();
}

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From source file:org.openhab.binding.lifx.internal.LifxLightDiscovery.java

@Override
protected void startBackgroundDiscovery() {
    logger.debug("Starting the LIFX device background discovery");

    ScheduledFuture<?> localDiscoveryJob = discoveryJob;
    if (localDiscoveryJob == null || localDiscoveryJob.isCancelled()) {
        discoveryJob = scheduler.scheduleWithFixedDelay(this::doScan, 0, REFRESH_INTERVAL, TimeUnit.SECONDS);
    }//from   w ww . j  a v a  2  s. c o  m
}

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From source file:org.openhab.binding.lifx.internal.LifxLightDiscovery.java

@Override
protected void stopBackgroundDiscovery() {
    logger.debug("Stopping LIFX device background discovery");

    ScheduledFuture<?> localDiscoveryJob = discoveryJob;
    if (localDiscoveryJob != null && !localDiscoveryJob.isCancelled()) {
        localDiscoveryJob.cancel(true);// w  ww.java 2s .  com
        discoveryJob = null;
    }

    ScheduledFuture<?> localNetworkJob = networkJob;
    if (localNetworkJob != null && !localNetworkJob.isCancelled()) {
        localNetworkJob.cancel(true);
        networkJob = null;
    }
}

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From source file:org.openhab.binding.nest.internal.handler.NestBridgeHandler.java

/**
 * Clean up the handler.//  w w  w.  j  a  va2  s  .c  om
 */
@Override
public void dispose() {
    logger.debug("Nest bridge disposed");
    stopStreamingUpdates();

    ScheduledFuture<?> localInitializeJob = initializeJob;
    if (localInitializeJob != null && !localInitializeJob.isCancelled()) {
        localInitializeJob.cancel(true);
        initializeJob = null;
    }

    ScheduledFuture<?> localTransmitJob = transmitJob;
    if (localTransmitJob != null && !localTransmitJob.isCancelled()) {
        localTransmitJob.cancel(true);
        transmitJob = null;
    }

    this.authorizer = null;
    this.redirectUrlSupplier = null;
    this.streamingRestClient = null;
}

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From source file:org.openhab.binding.zoneminder.handler.ZoneMinderServerBridgeHandler.java

/**
 * Method to stop the datarefresh task./*  ww  w .j  a  v  a  2s  .  c om*/
 */
protected void stopTask(ScheduledFuture<?> task) {
    try {
        if (task != null && !task.isCancelled()) {
            logger.debug("{}: Stopping ZoneMinder Bridge Monitor Task. Task='{}'", getLogIdentifier(),
                    task.toString());
            task.cancel(true);
        }
    } catch (Exception ex) {
    }

}

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