Example usage for java.util.concurrent ScheduledExecutorService scheduleAtFixedRate

Introduction

In this page you can find the example usage for java.util.concurrent ScheduledExecutorService scheduleAtFixedRate.

Prototype

public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit);

Source Link

Document

Submits a periodic action that becomes enabled first after the given initial delay, and subsequently with the given period; that is, executions will commence after initialDelay , then initialDelay + period , then initialDelay + 2 * period , and so on.

Usage

From source file:com.mmj.app.lucene.search.build.SearchBuilder.java

@PostConstruct
public void cronCache() {
    ScheduledExecutorService newScheduledThreadPool = Executors.newScheduledThreadPool(1);
    newScheduledThreadPool.scheduleAtFixedRate(new Runnable() {

        @Override/*w  ww  . j  a  va2 s.  c  o  m*/
        public void run() {
            try {
                build(SearchTypeEnum.USER, DEFAULT_VERSION, SearchTypeEnum.USER.getDateFetcher(null));
                build(SearchTypeEnum.TOPIC, DEFAULT_VERSION, SearchTypeEnum.TOPIC.getDateFetcher(null));
            } catch (Throwable e) {
                logger.error("start searchBuilder error,build search index error!", e);
            }
        }

    }, 1, 24 * 60, TimeUnit.MINUTES);
}

From source file:org.wso2.carbon.integrator.core.handler.EndpointHolder.java

private EndpointHolder() {
    //retry interval 2 hour
    long interval = 2;
    ScheduledExecutorService globalExecutorService = Executors.newSingleThreadScheduledExecutor();
    globalExecutorService.scheduleAtFixedRate(this, interval, interval, TimeUnit.HOURS);
}

From source file:pl.datamatica.traccar.api.fcm.Daemon.java

protected void start(ScheduledExecutorService scheduler, long delay, long period) {
    scheduler.scheduleAtFixedRate(runnable, delay, period, TimeUnit.MINUTES);
}

From source file:com.hurence.logisland.connect.opc.da.OpcDaSourceConnectorTest.java

@Test
@Ignore//ww  w . j a v a  2s. c o m
public void e2eTest() throws Exception {
    OpcDaSourceConnector connector = new OpcDaSourceConnector();
    Map<String, String> properties = new HashMap<>();
    properties.put(OpcDaSourceConnector.PROPERTY_AUTH_NTLM_DOMAIN, "OPC-9167C0D9342");
    properties.put(CommonDefinitions.PROPERTY_CONNECTION_SOCKET_TIMEOUT, "2000");
    properties.put(OpcDaSourceConnector.PROPERTY_AUTH_NTLM_PASSWORD, "opc");
    properties.put(OpcDaSourceConnector.PROPERTY_AUTH_NTLM_USER, "OPC");
    properties.put(CommonDefinitions.PROPERTY_SERVER_URI, "opc.da://192.168.99.100");
    properties.put(OpcDaSourceConnector.PROPERTY_SERVER_CLSID, "F8582CF2-88FB-11D0-B850-00C0F0104305");
    properties.put(CommonDefinitions.PROPERTY_TAGS_ID, "Random.Real8,Triangle Waves.Int4");
    properties.put(CommonDefinitions.PROPERTY_TAGS_STREAM_MODE, "SUBSCRIBE,POLL");
    properties.put(CommonDefinitions.PROPERTY_TAGS_SAMPLING_RATE, "PT3S,PT1S");
    properties.put(OpcDaSourceConnector.PROPERTY_SESSION_REFRESH_PERIOD, "1000");
    properties.put(OpcDaSourceConnector.PROPERTY_TAGS_DATA_TYPE_OVERRIDE, "0,8");

    connector.start(properties);
    OpcDaSourceTask task = new OpcDaSourceTask();
    task.start(connector.taskConfigs(1).get(0));
    ScheduledExecutorService es = Executors.newSingleThreadScheduledExecutor();
    Gson json = new Gson();
    es.scheduleAtFixedRate(() -> {
        try {
            task.poll().stream()
                    .map(a -> org.apache.commons.lang3.tuple.Pair.of(
                            new Date((Long) a.sourceOffset().get(OpcRecordFields.SAMPLED_TIMESTAMP)),
                            json.toJson(a)))
                    .forEach(System.out::println);
        } catch (InterruptedException e) {
            //do nothing
        }
    }, 0, 10, TimeUnit.MILLISECONDS);

    Thread.sleep(600000);
    task.stop();
    es.shutdown();
    connector.stop();
}

From source file:org.verwandlung.voj.judger.application.ApplicationBootstrap.java

/**
 * ?Web?./* w w w .j  a  va2  s.c o  m*/
 * ?Web???Keep-Alive?.
 */
private void setupHeartBeat() {
    final int INITIAL_DELAY = 0;
    final int PERIOD = 25;

    ApplicationHeartbeat heartbeat = applicationContext.getBean(ApplicationHeartbeat.class);
    ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
    scheduler.scheduleAtFixedRate(heartbeat, INITIAL_DELAY, PERIOD, TimeUnit.MINUTES);
}

From source file:org.xdi.oxd.server.license.LicenseUpdateService.java

private void scheduleUpdatePinger() {
    final ScheduledExecutorService executorService = Executors
            .newSingleThreadScheduledExecutor(CoreUtils.daemonThreadFactory());
    executorService.scheduleAtFixedRate(new Runnable() {
        @Override// w  ww  .  j  av  a  2s  . c  o m
        public void run() {
            updateLicenseFromServer();
        }
    }, 1, conf.getLicenseCheckPeriodInHours(), TimeUnit.HOURS);
}

From source file:org.sbs.goodcrawler.fetcher.FailedPageBackup.java

public void init() {
    ignoreFailedPage = Boolean.getBoolean(config.getString(GlobalConstants.ignoreFailedPages, "true"));
    if (!ignoreFailedPage) {
        Queue = new LinkedBlockingDeque<Page>(config.getInt(GlobalConstants.failedPagesQueueSize, 2000));
        // /*from   ww w . j av a 2s . c  o m*/
        BackupFailedPages backup = new BackupFailedPages();
        Thread failedPagesBackupThread = new Thread(backup, "failed-pages-backup-thread");
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        scheduler.scheduleAtFixedRate(failedPagesBackupThread, 60, 60, TimeUnit.SECONDS);
    }
}

From source file:com.magnet.mmx.util.AlertEventsManagerTest.java

public void testInterEmailTime() {
    setupMocks();/*from w w w . ja  va 2 s . c o  m*/
    long testDurationMinutes = 5;
    MMXConfiguration.getConfiguration().setValue(MMXConfigKeys.ALERT_EMAIL_ENABLED, "true");
    MMXConfiguration.getConfiguration().setValue(MMXConfigKeys.ALERT_INTER_EMAIL_TIME_MINUTES, "1");
    ScheduledExecutorService executorService = Executors.newScheduledThreadPool(2);
    ScheduledFuture<?> future = executorService.scheduleAtFixedRate(new Runnable() {
        @Override
        public void run() {
            AlertEventsManager.post(getRandomEvent());
        }
    }, 0L, 500, TimeUnit.MILLISECONDS);
    List<ScheduledFuture<?>> list = new ArrayList<ScheduledFuture<?>>();
    list.add(future);
    executorService.schedule(new StopTestTask(list), testDurationMinutes, TimeUnit.MINUTES);
    while (!future.isDone())
        ;
    LOGGER.trace("testInterEmailTime : average inter email time = {}", getAvg(elapsedTimes));
}

From source file:com.flipkart.phantom.runtime.impl.hystrix.HystrixMetricsAggregator.java

@Override
public void afterPropertiesSet() throws Exception {
    if (frequency > 1) {
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        metricsSnapshotReporter = new MetricsSnapshotReporterWithAggregation(frequency);
        scheduler.scheduleAtFixedRate((Runnable) metricsSnapshotReporter, 10, 10, TimeUnit.SECONDS);
    } else {/*from  www  .  j av a 2  s .c  o m*/
        metricsSnapshotReporter = new MetricsSnapshotReporterDefault();
    }
}

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

/**
 * Startet die Alarmerkennung.//  w ww.  jav  a2 s  .  com
 *
 * @param delayPerThread
 *            Mazahl fr den Ausfuehrungsintervall
 * @param timeUnit
 *            Einheit fr den Ausfuehrungsintervall
 */
public void startAlarmdetection(final int delayPerThread, final TimeUnit timeUnit) {
    if (delayPerThread < 1) {
        throw new ValueMinimumArgumentException();
    } else if (timeUnit == null) {
        throw new NullArgumentException();
    }
    final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(THREAD_POOL_SIZE);
    final AlarmRunnable alarmDetection = (AlarmRunnable) this.springContext.getBean("alarmRunnable");

    scheduler.scheduleAtFixedRate(alarmDetection, 0, delayPerThread, timeUnit);
}