Examples of java.util.concurrent.ScheduledExecutorService.scheduleWithFixedDelay()

Class java.util.concurrent.ScheduledExecutorService

Examples of java.util.concurrent.ScheduledExecutorService.scheduleWithFixedDelay()

java.util.concurrent.ScheduledExecutorService.scheduleWithFixedDelay()
Creates and executes a periodic action that becomes enabled first after the given initial delay, and subsequently with the given delay between the termination of one execution and the commencement of the next. If any execution of the task encounters an exception, subsequent executions are suppressed. Otherwise, the task will only terminate via cancellation or termination of the executor. @param command the task to execute @param initialDelay the time to delay first execution @param delay the delay between the termination of oneexecution and the commencement of the next @param unit the time unit of the initialDelay and delay parameters @return a ScheduledFuture representing pending completion ofthe task, and whose {@code get()} method will throw anexception upon cancellation @throws RejectedExecutionException if the task cannot bescheduled for execution @throws NullPointerException if command is null @throws IllegalArgumentException if delay less than or equal to zero

        return serviceLocatorTracker;
    }


    private void startMonitoringServiceList() {
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        scheduler.scheduleWithFixedDelay(new Runnable() {


            @Override
            public void run() {
                updateServiceListe();
            }

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        return timeStampStr;
    }


    private void startScanning() {
        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
        scheduler.scheduleWithFixedDelay(new Runnable() {
            @Override
            public void run() {
                MDC.put(EVENT_CATEGORY, MONITORING);
                try {
                    if (sl != null) {

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                    logger.info("DBHeartBeat Exception: " + x.getMessage());
                    return false;
                }
            }
        };
        scheduledExecutorService.scheduleWithFixedDelay(DBHeartBeat, initialDelay, fixedDelay, TimeUnit.SECONDS);
    }


    /**
     * Creates a default site logo, only if the logo image doesn't exists
     *

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    /**
     * Schedules a background task for flushing the index once per second.
     */
    private void scheduleFlushTask() {
        ScheduledExecutorService executor = handler.getContext().getExecutor();
        flushTask = executor.scheduleWithFixedDelay(new Runnable() {
            public void run() {
                // check if there are any indexing jobs finished
                checkIndexingQueue(false);
                // check if volatile index should be flushed
                checkFlush();

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    }


    private void start() {
        ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
        this.executor = executor;
        executor.scheduleWithFixedDelay(
                notifyingTask, 1000, 1000, TimeUnit.MILLISECONDS);
    }
    
    private void stop() {
        ScheduledExecutorService executor = this.executor;

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     */
    @Test
    @Ignore
    public void testConcurrentGC() throws Exception {
        ScheduledExecutorService gcExecutor = Executors.newScheduledThreadPool(1);
        gcExecutor.scheduleWithFixedDelay(new Runnable() {
            @Override
            public void run() {
                rs.gc();
            }
        }, 10, 2, TimeUnit.MILLISECONDS);

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     */
    @Test
    @Ignore
    public void testConcurrentMergeGC() throws Exception {
        ScheduledExecutorService gcExecutor = Executors.newScheduledThreadPool(1);
        gcExecutor.scheduleWithFixedDelay(new Runnable() {
            @Override
            public void run() {
                rs.gc();
            }
        }, 100, 20, TimeUnit.MILLISECONDS);

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        {
          e.printStackTrace();
        }
      }
    };
    scheduler.scheduleWithFixedDelay(beeper, 2, 2, TimeUnit.SECONDS);
  }
}

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  public ExampleRescorer() {
    int reloadMinutes = 15;
    ScheduledExecutorService executor = 
        Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder().setDaemon(true).build());
    executor.scheduleWithFixedDelay(new Runnable() {
      @Override
      public void run() {
        doLoad();
      }
    }, reloadMinutes, reloadMinutes, TimeUnit.MINUTES);

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    this.Y = Y;
    lock = new ReentrantReadWriteLock();
    int reloadMinutes = 15;
    ScheduledExecutorService executor = 
        Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder().setDaemon(true).build());
    executor.scheduleWithFixedDelay(new Runnable() {
      @Override
      public void run() {
        doLoad();
      }
    }, reloadMinutes, reloadMinutes, TimeUnit.MINUTES);

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