Java Code Examples for java.util.concurrent.Executors#unconfigurableScheduledExecutorService()

The following examples show how to use java.util.concurrent.Executors#unconfigurableScheduledExecutorService() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: ExecutorsTest.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

/**
 * an unconfigurable newScheduledThreadPool successfully runs delayed task
 */
public void testUnconfigurableScheduledExecutorService() throws Exception {
    final ScheduledExecutorService p =
        Executors.unconfigurableScheduledExecutorService
        (Executors.newScheduledThreadPool(2));
    try (PoolCleaner cleaner = cleaner(p)) {
        final CountDownLatch proceed = new CountDownLatch(1);
        final Runnable task = new CheckedRunnable() {
            public void realRun() {
                await(proceed);
            }};
        long startTime = System.nanoTime();
        Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
                              timeoutMillis(), MILLISECONDS);
        assertFalse(f.isDone());
        proceed.countDown();
        assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
        assertSame(Boolean.TRUE, f.get());
        assertTrue(f.isDone());
        assertFalse(f.isCancelled());
        assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
    }
}

Example 2

Source File: EventSchedulerService.java From flux with Apache License 2.0

6 votes

@Inject
public EventSchedulerService(EventSchedulerDao eventSchedulerDao, EventSchedulerRegistry eventSchedulerRegistry,
                             @Named("eventScheduler.batchRead.intervalms") Integer batchReadInterval,
                             @Named("eventScheduler.batchRead.batchSize") Integer batchSize,
                             ObjectMapper objectMapper) {
    this.eventSchedulerDao = eventSchedulerDao;
    this.eventSchedulerRegistry = eventSchedulerRegistry;
    this.batchReadInterval = batchReadInterval;
    this.batchSize = batchSize;
    this.objectMapper = objectMapper;

    ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
    // remove the task from scheduler on cancel
    executor.setRemoveOnCancelPolicy(true);
    scheduledExecutorService =
            new InstrumentedScheduledExecutorService(Executors.unconfigurableScheduledExecutorService(executor),
                    SharedMetricRegistries.getOrCreate(METRIC_REGISTRY_NAME), scheduledExectorSvcName);
}

Example 3

Source File: ExecutorsTest.java From j2objc with Apache License 2.0

6 votes

/**
 * an unconfigurable newScheduledThreadPool successfully runs delayed task
 */
public void testUnconfigurableScheduledExecutorService() throws Exception {
    final ScheduledExecutorService p =
        Executors.unconfigurableScheduledExecutorService
        (Executors.newScheduledThreadPool(2));
    try (PoolCleaner cleaner = cleaner(p)) {
        final CountDownLatch proceed = new CountDownLatch(1);
        final Runnable task = new CheckedRunnable() {
            public void realRun() {
                await(proceed);
            }};
        long startTime = System.nanoTime();
        Future f = p.schedule(Executors.callable(task, Boolean.TRUE),
                              timeoutMillis(), MILLISECONDS);
        assertFalse(f.isDone());
        proceed.countDown();
        assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
        assertSame(Boolean.TRUE, f.get());
        assertTrue(f.isDone());
        assertFalse(f.isCancelled());
        assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
    }
}

Example 4

Source File: ScheduledExecutorFactoryBean.java From spring-analysis-note with MIT License

5 votes

@Override
protected ExecutorService initializeExecutor(
		ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {

	ScheduledExecutorService executor =
			createExecutor(this.poolSize, threadFactory, rejectedExecutionHandler);

	if (this.removeOnCancelPolicy) {
		if (executor instanceof ScheduledThreadPoolExecutor) {
			((ScheduledThreadPoolExecutor) executor).setRemoveOnCancelPolicy(true);
		}
		else {
			logger.debug("Could not apply remove-on-cancel policy - not a ScheduledThreadPoolExecutor");
		}
	}

	// Register specified ScheduledExecutorTasks, if necessary.
	if (!ObjectUtils.isEmpty(this.scheduledExecutorTasks)) {
		registerTasks(this.scheduledExecutorTasks, executor);
	}

	// Wrap executor with an unconfigurable decorator.
	this.exposedExecutor = (this.exposeUnconfigurableExecutor ?
			Executors.unconfigurableScheduledExecutorService(executor) : executor);

	return executor;
}

Example 5

Source File: ScheduledExecutorFactoryBean.java From java-technology-stack with MIT License

5 votes

@Override
protected ExecutorService initializeExecutor(
		ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {

	ScheduledExecutorService executor =
			createExecutor(this.poolSize, threadFactory, rejectedExecutionHandler);

	if (this.removeOnCancelPolicy) {
		if (executor instanceof ScheduledThreadPoolExecutor) {
			((ScheduledThreadPoolExecutor) executor).setRemoveOnCancelPolicy(true);
		}
		else {
			logger.debug("Could not apply remove-on-cancel policy - not a ScheduledThreadPoolExecutor");
		}
	}

	// Register specified ScheduledExecutorTasks, if necessary.
	if (!ObjectUtils.isEmpty(this.scheduledExecutorTasks)) {
		registerTasks(this.scheduledExecutorTasks, executor);
	}

	// Wrap executor with an unconfigurable decorator.
	this.exposedExecutor = (this.exposeUnconfigurableExecutor ?
			Executors.unconfigurableScheduledExecutorService(executor) : executor);

	return executor;
}

Example 6

Source File: ScheduledExecutorFactoryBean.java From lams with GNU General Public License v2.0

5 votes

@Override
@UsesJava7
protected ExecutorService initializeExecutor(
		ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {

	ScheduledExecutorService executor =
			createExecutor(this.poolSize, threadFactory, rejectedExecutionHandler);

	if (this.removeOnCancelPolicy) {
		if (setRemoveOnCancelPolicyAvailable && executor instanceof ScheduledThreadPoolExecutor) {
			((ScheduledThreadPoolExecutor) executor).setRemoveOnCancelPolicy(true);
		}
		else {
			logger.info("Could not apply remove-on-cancel policy - not a Java 7+ ScheduledThreadPoolExecutor");
		}
	}

	// Register specified ScheduledExecutorTasks, if necessary.
	if (!ObjectUtils.isEmpty(this.scheduledExecutorTasks)) {
		registerTasks(this.scheduledExecutorTasks, executor);
	}

	// Wrap executor with an unconfigurable decorator.
	this.exposedExecutor = (this.exposeUnconfigurableExecutor ?
			Executors.unconfigurableScheduledExecutorService(executor) : executor);

	return executor;
}

Example 7

Source File: ExecutorsTest.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

/**
 * unconfigurableScheduledExecutorService(null) throws NPE
 */
public void testUnconfigurableScheduledExecutorServiceNPE() {
    try {
        ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
        shouldThrow();
    } catch (NullPointerException success) {}
}

Example 8

Source File: ScheduledExecutorFactoryBean.java From spring4-understanding with Apache License 2.0

5 votes

@Override
@UsesJava7
protected ExecutorService initializeExecutor(
		ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {

	ScheduledExecutorService executor =
			createExecutor(this.poolSize, threadFactory, rejectedExecutionHandler);

	if (this.removeOnCancelPolicy) {
		if (setRemoveOnCancelPolicyAvailable && executor instanceof ScheduledThreadPoolExecutor) {
			((ScheduledThreadPoolExecutor) executor).setRemoveOnCancelPolicy(true);
		}
		else {
			logger.info("Could not apply remove-on-cancel policy - not a Java 7+ ScheduledThreadPoolExecutor");
		}
	}

	// Register specified ScheduledExecutorTasks, if necessary.
	if (!ObjectUtils.isEmpty(this.scheduledExecutorTasks)) {
		registerTasks(this.scheduledExecutorTasks, executor);
	}

	// Wrap executor with an unconfigurable decorator.
	this.exposedExecutor = (this.exposeUnconfigurableExecutor ?
			Executors.unconfigurableScheduledExecutorService(executor) : executor);

	return executor;
}

Example 9

Source File: MoreExecutors.java From codebuff with BSD 2-Clause "Simplified" License

5 votes

final ScheduledExecutorService getExitingScheduledExecutorService(
    ScheduledThreadPoolExecutor executor, long terminationTimeout, TimeUnit timeUnit) {
  useDaemonThreadFactory(executor);
  ScheduledExecutorService service = Executors.unconfigurableScheduledExecutorService(executor);
  addDelayedShutdownHook(service, terminationTimeout, timeUnit);
  return service;
}

Example 10

Source File: ExecutorsTest.java From j2objc with Apache License 2.0

5 votes

/**
 * unconfigurableScheduledExecutorService(null) throws NPE
 */
public void testUnconfigurableScheduledExecutorServiceNPE() {
    try {
        ExecutorService e = Executors.unconfigurableScheduledExecutorService(null);
        shouldThrow();
    } catch (NullPointerException success) {}
}

Example 11

Source File: ReconnectSchedulerProvider.java From pinpoint with Apache License 2.0

5 votes

@Override
    public ScheduledExecutorService get() {
        final PinpointThreadFactory threadFactory = new PinpointThreadFactory("Pinpoint-reconnect-thread");
        final ScheduledThreadPoolExecutor scheduler = (ScheduledThreadPoolExecutor) Executors.newScheduledThreadPool(1, threadFactory);

        // not recommended
//        LoggingRejectedExecutionHandler reconnectScheduler = new LoggingRejectedExecutionHandler("ReconnectScheduler");
//        scheduler.setRejectedExecutionHandler(reconnectScheduler);


        ScheduledExecutorService scheduledExecutorService = Executors.unconfigurableScheduledExecutorService(scheduler);
        return scheduledExecutorService ;
    }

Example 12

Source File: ClientListService.java From RCT with Apache License 2.0

4 votes

public JSONObject executeJob(String internal, String timer,String timerUtil, Long id) {
	JSONObject json = new JSONObject();
	long endTimer = System.currentTimeMillis()+(Long.parseLong(timer)*Long.parseLong(timerUtil))*1000;
	Runnable runnable = new Runnable() {
		@Override
		public void run() {
			json.put("msg", "job is Running");
			if(System.currentTimeMillis()>= endTimer) {
				AppCache.taskList.get(String.valueOf(id)).forEach((k,v)->{
					ScheduledFuture<?> future = k;
					json.put("msg", "job  over");
					json.put("status", "DONE");
					future.cancel(true);
					AppCache.taskList.remove(String.valueOf(id));
				});
			}else {
				List<Map<String,Object>> maps = clientSearch(String.valueOf(id), "");
				Set<JSONObject> documents = new HashSet<>();
				maps.forEach(res->{
					Map<String,Object> result = (Map<String,Object>)res;
					result.put("TimeStamp", System.currentTimeMillis()); 
					result.put("id", result.get("age")+String.valueOf(id)); 
					JSONObject jsons = JSONObject.parseObject(JSON.toJSONString(result));
					documents.add(jsons);
				});
					SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
					String index = initConfig.getClientIndex() + "-" + sdf.format(new Date());
					try {
						if (documents.size() <= 0) {
							return;
						}
						if(initConfig.isElasticsearchEnable()) {
							ElasticSearchUtil.bulkIndexDocumentByID(index, "rct-clientlist", documents);
						}	
						
					} catch (Exception e) {
						// LOG.error("slowlogToES error .", e);
					}
					
				}
			}
			
	};
	if (service.isShutdown()) {
		service = Executors.unconfigurableScheduledExecutorService(new ScheduledThreadPoolExecutor(1));
	}
	ScheduledFuture<?> task = service.scheduleAtFixedRate(runnable, 0, Long.parseLong(internal), TimeUnit.SECONDS);
	Map<ScheduledFuture<?>,String> map = new HashMap<>();
	JSONObject obj = new JSONObject();
	obj.put("internal", internal);
	obj.put("timer", timer);
	obj.put("timerUtil", timerUtil);
	map.put(task,obj.toJSONString() );
	AppCache.taskList.put(String.valueOf(id), map);
	return json;
}

Example 13

Source File: MoreExecutors.java From codebuff with BSD 2-Clause "Simplified" License

4 votes

final ScheduledExecutorService getExitingScheduledExecutorService(ScheduledThreadPoolExecutor executor, long terminationTimeout, TimeUnit timeUnit) {
  useDaemonThreadFactory(executor);
  ScheduledExecutorService service = Executors.unconfigurableScheduledExecutorService(executor);
  addDelayedShutdownHook(service, terminationTimeout, timeUnit);
  return service;
}

Example 14

Source File: MoreExecutors.java From codebuff with BSD 2-Clause "Simplified" License

4 votes

final ScheduledExecutorService getExitingScheduledExecutorService(ScheduledThreadPoolExecutor executor, long terminationTimeout, TimeUnit timeUnit) {
  useDaemonThreadFactory(executor);
  ScheduledExecutorService service = Executors.unconfigurableScheduledExecutorService(executor);
  addDelayedShutdownHook(service, terminationTimeout, timeUnit);
  return service;
}

Example 15

Source File: MoreExecutors.java From codebuff with BSD 2-Clause "Simplified" License

4 votes

final ScheduledExecutorService getExitingScheduledExecutorService(ScheduledThreadPoolExecutor executor, long terminationTimeout, TimeUnit timeUnit) {
  useDaemonThreadFactory(executor);
  ScheduledExecutorService service = Executors.unconfigurableScheduledExecutorService(executor);
  addDelayedShutdownHook(service, terminationTimeout, timeUnit);
  return service;
}

Example 16

Source File: MoreExecutors.java From codebuff with BSD 2-Clause "Simplified" License

4 votes

final ScheduledExecutorService getExitingScheduledExecutorService(ScheduledThreadPoolExecutor executor, long terminationTimeout, TimeUnit timeUnit) {
  useDaemonThreadFactory(executor);
  ScheduledExecutorService service = Executors.unconfigurableScheduledExecutorService(executor);
  addDelayedShutdownHook(service, terminationTimeout, timeUnit);
  return service;
}