Java Code Examples for java.util.concurrent.ScheduledThreadPoolExecutor#shutdown()
The following examples show how to use
java.util.concurrent.ScheduledThreadPoolExecutor#shutdown() .
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Example 1
| Source File: ZeroCorePoolSize.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 2
| Source File: ZeroCorePoolSize.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 3
| Source File: BasicCancelTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
final ScheduledThreadPoolExecutor pool =
new ScheduledThreadPoolExecutor(1);
// Needed to avoid OOME
pool.setRemoveOnCancelPolicy(true);
final long moreThanYouCanChew = Runtime.getRuntime().freeMemory() / 4;
System.out.printf("moreThanYouCanChew=%d%n", moreThanYouCanChew);
Runnable noopTask = new Runnable() { public void run() {}};
for (long i = 0; i < moreThanYouCanChew; i++)
pool.schedule(noopTask, 10, TimeUnit.MINUTES).cancel(true);
pool.shutdown();
check(pool.awaitTermination(1L, TimeUnit.DAYS));
checkTerminated(pool);
equal(pool.getTaskCount(), 0L);
equal(pool.getCompletedTaskCount(), 0L);
}
Example 4
| Source File: ZeroCorePoolSize.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 5
| Source File: ZeroCorePoolSize.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 6
| Source File: ZeroCorePoolSize.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 7
| Source File: ZeroCorePoolSize.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 8
| Source File: ZeroCorePoolSize.java From native-obfuscator with GNU General Public License v3.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 9
| Source File: ZeroCorePoolSize.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
void test(String[] args) throws Throwable {
ScheduledThreadPoolExecutor pool = new ScheduledThreadPoolExecutor(0);
Runnable task = new Runnable() {
public void run() {
taskRun = true;
}
};
check(pool.getCorePoolSize() == 0);
pool.schedule(task, 1, TimeUnit.SECONDS);
pool.shutdown();
check(pool.awaitTermination(20L, TimeUnit.SECONDS));
check(pool.getCorePoolSize() == 0);
check(taskRun);
}
Example 10
| Source File: ContextTest.java From grpc-java with Apache License 2.0 | 5 votes |
|
@Test
public void cancellationCancelsScheduledTask() {
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
try {
assertEquals(0, executor.getQueue().size());
Context.CancellableContext base
= Context.current().withDeadline(Deadline.after(1, TimeUnit.DAYS), executor);
assertEquals(1, executor.getQueue().size());
base.cancel(null);
executor.purge();
assertEquals(0, executor.getQueue().size());
} finally {
executor.shutdown();
}
}
Example 11
| Source File: ContextTest.java From grpc-nebula-java with Apache License 2.0 | 5 votes |
|
@Test
public void cancellationCancelsScheduledTask() {
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
try {
assertEquals(0, executor.getQueue().size());
Context.CancellableContext base
= Context.current().withDeadline(Deadline.after(1, TimeUnit.DAYS), executor);
assertEquals(1, executor.getQueue().size());
base.cancel(null);
executor.purge();
assertEquals(0, executor.getQueue().size());
} finally {
executor.shutdown();
}
}
Example 12
| Source File: ScheduledExecutorTest.java From j2objc with Apache License 2.0 | 5 votes |
|
/**
* scheduleAtFixedRate throws RejectedExecutionException if shutdown
*/
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
try (PoolCleaner cleaner = cleaner(p)) {
try {
p.shutdown();
p.scheduleAtFixedRate(new NoOpRunnable(),
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
shouldThrow();
} catch (RejectedExecutionException success) {
} catch (SecurityException ok) {}
}
}
Example 13
| Source File: TestNonBlockingReads.java From distributedlog with Apache License 2.0 | 5 votes |
|
@Test(timeout = 100000)
public void testNonBlockingRead() throws Exception {
String name = "distrlog-non-blocking-reader";
final DistributedLogConfiguration confLocal = new DistributedLogConfiguration();
confLocal.loadConf(conf);
confLocal.setReadAheadBatchSize(1);
confLocal.setReadAheadMaxRecords(1);
confLocal.setReaderIdleWarnThresholdMillis(100);
confLocal.setReadLACLongPollTimeout(49);
final DistributedLogManager dlm = createNewDLM(confLocal, name);
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
ScheduledFuture writerClosedFuture = null;
try {
final Thread currentThread = Thread.currentThread();
writerClosedFuture = executor.schedule(
new Runnable() {
@Override
public void run() {
try {
writeRecordsForNonBlockingReads(confLocal, dlm, false);
} catch (Exception exc) {
currentThread.interrupt();
}
}
}, 100, TimeUnit.MILLISECONDS);
readNonBlocking(dlm, false);
assertFalse(currentThread.isInterrupted());
} finally {
if (writerClosedFuture != null){
// ensure writer.closeAndComplete is done before we close dlm
writerClosedFuture.get();
}
executor.shutdown();
dlm.close();
}
}
Example 14
| Source File: ScheduledExecutorTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* schedule callable throws RejectedExecutionException if shutdown
*/
public void testSchedule3_RejectedExecutionException() throws InterruptedException {
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
try (PoolCleaner cleaner = cleaner(p)) {
try {
p.shutdown();
p.schedule(new NoOpCallable(),
MEDIUM_DELAY_MS, MILLISECONDS);
shouldThrow();
} catch (RejectedExecutionException success) {
} catch (SecurityException ok) {}
}
}
Example 15
| Source File: TestNonBlockingReads.java From distributedlog with Apache License 2.0 | 5 votes |
|
@Test(timeout = 100000)
public void testNonBlockingReadRecovery() throws Exception {
String name = "distrlog-non-blocking-reader-recovery";
final DistributedLogConfiguration confLocal = new DistributedLogConfiguration();
confLocal.loadConf(conf);
confLocal.setReadAheadBatchSize(10);
confLocal.setReadAheadMaxRecords(10);
final DistributedLogManager dlm = createNewDLM(confLocal, name);
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
ScheduledFuture writerClosedFuture = null;
try {
final Thread currentThread = Thread.currentThread();
writerClosedFuture = executor.schedule(
new Runnable() {
@Override
public void run() {
try {
writeRecordsForNonBlockingReads(confLocal, dlm, true);
} catch (Exception exc) {
currentThread.interrupt();
}
}
}, 100, TimeUnit.MILLISECONDS);
readNonBlocking(dlm, false);
assertFalse(currentThread.isInterrupted());
} finally {
if (writerClosedFuture != null){
// ensure writer.closeAndComplete is done before we close dlm
writerClosedFuture.get();
}
executor.shutdown();
dlm.close();
}
}
Example 16
| Source File: Scheduler.java From crate with Apache License 2.0 | 5 votes |
|
static boolean terminate(ScheduledThreadPoolExecutor scheduledThreadPoolExecutor, long timeout, TimeUnit timeUnit) {
scheduledThreadPoolExecutor.shutdown();
if (awaitTermination(scheduledThreadPoolExecutor, timeout, timeUnit)) {
return true;
}
// last resort
scheduledThreadPoolExecutor.shutdownNow();
return awaitTermination(scheduledThreadPoolExecutor, timeout, timeUnit);
}
Example 17
| Source File: ServiceBackgroundTaskManager.java From sepia-assist-server with MIT License | 4 votes |
|
/**
* Run a given task in background and manage task references and threads.
* @param userId
* @param serviceId
* @param delayMs
* @param task
* @return
*/
public static ServiceBackgroundTask runOnceInBackground(String userId, String serviceId, long delayMs, Runnable task){
//TODO: introduce max. delay ?
String taskId = getNewTaskId();
int corePoolSize = 1;
final ScheduledThreadPoolExecutor executor = ThreadManager.getNewScheduledThreadPool(corePoolSize);
executor.setRemoveOnCancelPolicy(true);
ScheduledFuture<?> future = executor.schedule(() -> {
//run task and...
try{
increaseThreadCounter();
task.run();
decreaseThreadCounter();
}catch (Exception e){
decreaseThreadCounter();
}
//... remove yourself from manager
removeFromSbtMap(taskId);
executor.purge();
executor.shutdown();
}, delayMs, TimeUnit.MILLISECONDS);
//other option (but does not support lambda expression):
//Timer timer = new Timer();
//timer.schedule(task, delayMs);
BooleanSupplier cancelFun = () -> {
if (future.isDone() || future.cancel(false)){
removeFromSbtMap(taskId);
executor.purge();
executor.shutdown();
return true;
}else{
executor.purge();
executor.shutdown();
return false;
}
};
ServiceBackgroundTask sbt = new ServiceBackgroundTask(serviceId, taskId, future, cancelFun);
addToSbtMap(taskId, sbt);
return sbt;
}
Example 18
| Source File: ReferenceQueueTest.java From j2objc with Apache License 2.0 | 4 votes |
|
private void runLater(Runnable runnable, int delayMillis) {
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
executor.schedule(runnable, delayMillis, TimeUnit.MILLISECONDS);
executor.shutdown();
}
Example 19
| Source File: HeartbeatManagerTest.java From flink with Apache License 2.0 | 4 votes |
|
/**
* Tests that the heartbeat target {@link ResourceID} is properly passed to the {@link HeartbeatListener} by the
* {@link HeartbeatManagerSenderImpl}.
*/
@Test
public void testHeartbeatManagerSenderTargetPayload() throws Exception {
final long heartbeatTimeout = 100L;
final long heartbeatPeriod = 2000L;
final ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(1);
final ResourceID someTargetId = ResourceID.generate();
final ResourceID specialTargetId = ResourceID.generate();
final OneShotLatch someTargetReceivedLatch = new OneShotLatch();
final OneShotLatch specialTargetReceivedLatch = new OneShotLatch();
final TargetDependentHeartbeatReceiver someHeartbeatTarget = new TargetDependentHeartbeatReceiver(someTargetReceivedLatch);
final TargetDependentHeartbeatReceiver specialHeartbeatTarget = new TargetDependentHeartbeatReceiver(specialTargetReceivedLatch);
final int defaultResponse = 0;
final int specialResponse = 1;
HeartbeatManager<?, Integer> heartbeatManager = new HeartbeatManagerSenderImpl<>(
heartbeatPeriod,
heartbeatTimeout,
ResourceID.generate(),
new TargetDependentHeartbeatSender(specialTargetId, specialResponse, defaultResponse),
new ScheduledExecutorServiceAdapter(scheduledThreadPoolExecutor),
LOG);
try {
heartbeatManager.monitorTarget(someTargetId, someHeartbeatTarget);
heartbeatManager.monitorTarget(specialTargetId, specialHeartbeatTarget);
someTargetReceivedLatch.await(5, TimeUnit.SECONDS);
specialTargetReceivedLatch.await(5, TimeUnit.SECONDS);
assertEquals(defaultResponse, someHeartbeatTarget.getLastRequestedHeartbeatPayload());
assertEquals(specialResponse, specialHeartbeatTarget.getLastRequestedHeartbeatPayload());
} finally {
heartbeatManager.stop();
scheduledThreadPoolExecutor.shutdown();
}
}
Example 20
| Source File: HeartbeatManagerTest.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
/**
* Tests that the heartbeat target {@link ResourceID} is properly passed to the {@link HeartbeatListener} by the
* {@link HeartbeatManagerSenderImpl}.
*/
@Test
public void testHeartbeatManagerSenderTargetPayload() throws Exception {
final long heartbeatTimeout = 100L;
final long heartbeatPeriod = 2000L;
final ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(1);
final ResourceID someTargetId = ResourceID.generate();
final ResourceID specialTargetId = ResourceID.generate();
final OneShotLatch someTargetReceivedLatch = new OneShotLatch();
final OneShotLatch specialTargetReceivedLatch = new OneShotLatch();
final TargetDependentHeartbeatReceiver someHeartbeatTarget = new TargetDependentHeartbeatReceiver(someTargetReceivedLatch);
final TargetDependentHeartbeatReceiver specialHeartbeatTarget = new TargetDependentHeartbeatReceiver(specialTargetReceivedLatch);
final int defaultResponse = 0;
final int specialResponse = 1;
HeartbeatManager<?, Integer> heartbeatManager = new HeartbeatManagerSenderImpl<>(
heartbeatPeriod,
heartbeatTimeout,
ResourceID.generate(),
new TargetDependentHeartbeatSender(specialTargetId, specialResponse, defaultResponse),
new ScheduledExecutorServiceAdapter(scheduledThreadPoolExecutor),
LOG);
try {
heartbeatManager.monitorTarget(someTargetId, someHeartbeatTarget);
heartbeatManager.monitorTarget(specialTargetId, specialHeartbeatTarget);
someTargetReceivedLatch.await(5, TimeUnit.SECONDS);
specialTargetReceivedLatch.await(5, TimeUnit.SECONDS);
assertEquals(defaultResponse, someHeartbeatTarget.getLastRequestedHeartbeatPayload());
assertEquals(specialResponse, specialHeartbeatTarget.getLastRequestedHeartbeatPayload());
} finally {
heartbeatManager.stop();
scheduledThreadPoolExecutor.shutdown();
}
}
