Example usage for java.util.concurrent ScheduledFuture cancel

Introduction

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

Prototype

boolean cancel(boolean mayInterruptIfRunning);

Source Link

Document

Attempts to cancel execution of this task.

Usage

From source file:com.netflix.genie.web.tasks.job.JobMonitoringCoordinatorUnitTests.java

/**
 * Make sure we can kill the job init task on job finished event for the job.
 *
 * @throws GenieException on error/*www . j av  a  2 s. co m*/
 */
@Test
public void canStopJobTask() throws GenieException {
    final String jobId = UUID.randomUUID().toString();
    final ScheduledFuture task = Mockito.mock(ScheduledFuture.class);
    final JobFinishedEvent jobFinishedEvent = new JobFinishedEvent(jobId, JobFinishedReason.FAILED_TO_INIT,
            "something", this);
    Mockito.when(task.isDone()).thenReturn(true).thenReturn(false).thenReturn(false);
    Mockito.when(task.cancel(true)).thenReturn(true).thenReturn(false);
    Mockito.when(scheduler.schedule(Mockito.any(), Mockito.any(Date.class))).thenReturn(task);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(0));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(0));
    coordinator.init(jobId);
    coordinator.schedule(jobId, null, null, null, null, 1024);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(1));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(1024));
    this.coordinator.onJobFinished(jobFinishedEvent);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(0));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(0));
    coordinator.init(jobId);
    coordinator.schedule(jobId, null, null, null, null, 1024);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(1));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(1024));
    this.coordinator.onJobFinished(jobFinishedEvent);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(0));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(0));
    coordinator.init(jobId);
    coordinator.schedule(jobId, null, null, null, null, 1024);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(1));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(1024));
    this.coordinator.onJobFinished(jobFinishedEvent);
    Assert.assertThat(this.coordinator.getNumActiveJobs(), Matchers.is(0));
    Assert.assertThat(this.coordinator.getUsedMemory(), Matchers.is(0));

    Mockito.verify(this.unableToCancel, Mockito.times(1)).increment();
}

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From source file:org.apache.synapse.transport.amqp.pollingtask.AMQPTransportPollingTask.java

/**
 * Stop the polling tasks//  www  .  j ava2 s . c  o  m
 */
public synchronized void stop() {
    for (ScheduledFuture<?> pollingTaskFuture : taskFutureList) {
        pollingTaskFuture.cancel(false);
    }
}

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From source file:com.l2jfree.gameserver.instancemanager.AutoSpawnManager.java

public void reload() {
    // stop all timers
    for (ScheduledFuture<?> sf : _runningSpawns.values()) {
        if (sf != null)
            sf.cancel(true);
    }//from ww w. j a v a  2s.c  om
    // unregister all registered spawns
    for (AutoSpawnInstance asi : _registeredSpawns.values()) {
        if (asi != null)
            this.removeSpawn(asi);
    }

    // create clean list
    _registeredSpawns = new FastMap<Integer, AutoSpawnInstance>();
    _runningSpawns = new FastMap<Integer, ScheduledFuture<?>>();

    // load
    restoreSpawnData();
}

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From source file:io.openvidu.server.recording.service.RecordingManager.java

public boolean abortAutomaticRecordingStopThread(Session session) {
    ScheduledFuture<?> future = this.automaticRecordingStopThreads.remove(session.getSessionId());
    if (future != null) {
        boolean cancelled = future.cancel(false);
        if (session.getParticipants().size() == 0 || (session.getParticipants().size() == 1
                && session.getParticipantByPublicId(ProtocolElements.RECORDER_PARTICIPANT_PUBLICID) != null)) {
            // Close session if there are no participants connected (except for RECORDER).
            // This code will only be executed if recording is manually stopped during the
            // automatic stop timeout, so the session must be also closed
            log.info(// ww  w .  j av a2 s. c  om
                    "Ongoing recording of session {} was explicetly stopped within timeout for automatic recording stop. Closing session",
                    session.getSessionId());
            sessionManager.closeSessionAndEmptyCollections(session, EndReason.automaticStop);
            sessionManager.showTokens();
        }
        return cancelled;
    } else {
        return true;
    }
}

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From source file:com.l2jfree.gameserver.instancemanager.AutoSpawnManager.java

/**
 * Remove a registered spawn from the list, specified by the given spawn instance.
 * /*from w  w w  . j  a v a2  s  . c  o m*/
 * @param spawnInst
 * @return boolean removedSuccessfully
 */
public boolean removeSpawn(AutoSpawnInstance spawnInst) {
    if (!isSpawnRegistered(spawnInst))
        return false;

    try {
        // Try to remove from the list of registered spawns if it exists.
        _registeredSpawns.remove(spawnInst.getNpcId());

        // Cancel the currently associated running scheduled task.
        ScheduledFuture<?> respawnTask = _runningSpawns.remove(spawnInst._objectId);
        if (respawnTask != null)
            respawnTask.cancel(false);

        if (_log.isDebugEnabled())
            _log.debug("AutoSpawnHandler: Removed auto spawn for NPC ID " + spawnInst._npcId + " (Object ID = "
                    + spawnInst._objectId + ").");
    } catch (Exception e) {
        _log.warn("AutoSpawnHandler: Could not auto spawn for NPC ID " + spawnInst._npcId + " (Object ID = "
                + spawnInst._objectId + "): ", e);
        return false;
    }

    return true;
}

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From source file:org.apache.hadoop.yarn.server.resourcemanager.security.X509SecurityHandler.java

public void deregisterFromCertificateRenewer(ApplicationId appId) {
    if (!isHopsTLSEnabled()) {
        return;//from  w  ww. j  a  v  a 2  s  .com
    }
    ScheduledFuture task = renewalTasks.remove(appId);
    if (task != null) {
        task.cancel(true);
    }
}

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From source file:io.tilt.minka.business.impl.CoordinatorImpl.java

private void stop(final Synchronized synchro, final boolean withFire) {
    Validate.notNull(synchro);/*  w  w w  . j a va2  s  .c  o m*/
    final Callable<?> callable = this.callablesBySynchro.get(synchro);
    final Runnable runnable = this.runnablesBySynchro.get(synchro);
    ScheduledFuture<?> future = this.futuresBySynchro.get(synchro);
    boolean dequeued = false;

    if (runnable != null) {
        runnablesBySynchro.remove(synchro);
        dequeued = this.executor.remove(runnable);
    } else if (callable != null) {
        callablesBySynchro.remove(synchro);
    } else {
        logger.error("{}: ({}) Runnable/Callable {} not found, finished or never scheduled",
                getClass().getSimpleName(), shardId, synchro.getAction().name());
        return;
    }

    if (future != null) {
        boolean cancelled = future.cancel(withFire);
        logger.debug("{}: ({}) Stopping - Task {} ({}) Cancelled = {}, Dequeued = {}",
                getClass().getSimpleName(), shardId, synchro.getAction().name(),
                runnable.getClass().getSimpleName(), cancelled, dequeued);
    } else {
        logger.error("{}: ({}) Stopping - Task {} ({}) Not found !!", getClass().getSimpleName(), shardId,
                synchro.getAction().name(), runnable.getClass().getSimpleName());
    }
    this.executor.purge();
    agentsByAction.remove(synchro.getAction());
}

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From source file:org.openhab.binding.amazonechocontrol.internal.handler.AccountHandler.java

private void cleanup() {
    logger.debug("cleanup {}", getThing().getUID().getAsString());
    @Nullable
    ScheduledFuture<?> refreshJob = this.checkDataJob;
    if (refreshJob != null) {
        refreshJob.cancel(true);
        this.checkDataJob = null;
    }//from  w  w w. ja  v a  2  s.  c o m
    @Nullable
    ScheduledFuture<?> refreshLogin = this.checkLoginJob;
    if (refreshLogin != null) {
        refreshLogin.cancel(true);
        this.checkLoginJob = null;
    }
    @Nullable
    ScheduledFuture<?> foceCheckDataJob = this.foceCheckDataJob;
    if (foceCheckDataJob != null) {
        foceCheckDataJob.cancel(true);
        this.foceCheckDataJob = null;
    }
    @Nullable
    ScheduledFuture<?> refreshDataDelayed = this.refreshAfterCommandJob;
    if (refreshDataDelayed != null) {
        refreshDataDelayed.cancel(true);
        this.refreshAfterCommandJob = null;
    }
    Connection connection = this.connection;
    if (connection != null) {
        connection.logout();
        this.connection = null;
    }
    closeWebSocketConnection();
}

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From source file:io.fabric8.kubernetes.client.dsl.internal.RollingUpdater.java

/**
 * Since k8s v1.4.x, rc/rs deletes are asynchronous.
 * Lets wait until the resource is actually deleted in the server
 *///from w w  w.j a  va2  s  .c o m
private void waitUntilDeleted(final String namespace, final String name) {
    final CountDownLatch countDownLatch = new CountDownLatch(1);

    final Runnable waitTillDeletedPoller = new Runnable() {
        public void run() {
            try {
                T res = resources().inNamespace(namespace).withName(name).get();
                if (res == null) {
                    countDownLatch.countDown();
                }
            } catch (KubernetesClientException e) {
                if (e.getCode() == 404) {
                    countDownLatch.countDown();
                }
            }
        }
    };

    ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
    ScheduledFuture poller = executor.scheduleWithFixedDelay(waitTillDeletedPoller, 0, 5, TimeUnit.SECONDS);
    ScheduledFuture logger = executor.scheduleWithFixedDelay(new Runnable() {
        @Override
        public void run() {
            LOG.debug("Found resource {}/{} not yet deleted on server, so waiting...", namespace, name);
        }
    }, 0, loggingIntervalMillis, TimeUnit.MILLISECONDS);
    try {
        countDownLatch.await(DEFAULT_SERVER_GC_WAIT_TIMEOUT, TimeUnit.MILLISECONDS);
        executor.shutdown();
    } catch (InterruptedException e) {
        poller.cancel(true);
        logger.cancel(true);
        executor.shutdown();
        LOG.warn("Still found deleted resource {} in namespace: {}  after waiting for {} seconds so giving up",
                name, namespace, TimeUnit.MILLISECONDS.toSeconds(DEFAULT_SERVER_GC_WAIT_TIMEOUT));
    }
}

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From source file:org.openhab.binding.amazonechocontrol.handler.EchoHandler.java

@Override
public void dispose() {
    stopCurrentNotification();// w ww  .j  a va  2  s  .  c o m
    ScheduledFuture<?> updateStateJob = this.updateStateJob;
    this.updateStateJob = null;
    if (updateStateJob != null) {
        updateStateJob.cancel(false);
    }
    super.dispose();
}

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