use of org.eclipse.scout.rt.platform.util.concurrent.IRunnable in project scout.rt by eclipse.
the class MutualExclusionTest method testMutexDeadlock.
/**
* Tests that a model-job cannot wait for a scheduled job.
*/
@Test
public void testMutexDeadlock() {
// synchronized because modified/read by different threads.
final List<Integer> protocol = Collections.synchronizedList(new ArrayList<Integer>());
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(1);
IFuture<Void> future = ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(3);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
try {
future.awaitDoneAndGet(1, TimeUnit.SECONDS, DefaultExceptionTranslator.class);
} catch (AssertionException e) {
protocol.add(2);
} catch (Exception e) {
protocol.add(4);
}
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
awaitDoneElseFail(JOB_IDENTIFIER);
assertEquals(CollectionUtility.arrayList(1, 2, 3), protocol);
}
use of org.eclipse.scout.rt.platform.util.concurrent.IRunnable in project scout.rt by eclipse.
the class MutualExclusionTest method testBlockedJobs.
/**
* We have 5 jobs that get scheduled simultaneously. The first waits some time so that job2, job3, job4 and job5 get
* queued. Job1 then enters a blocking condition, which allows job2 to run. But job2 gets rejected by the executor,
* which allows job3 to run. After job3 completes, job1 is resumed and continues running. After job1 complete, job4
* gets scheduled. Job4 in turn gets blocked, which prevents job5 from running.
*/
@Test
public void testBlockedJobs() throws java.lang.InterruptedException {
P_JobManager jobManager = new P_JobManager();
ExecutorService executorMock = jobManager.getExecutorMock();
IBean<IJobManager> jobManagerBean = JobTestUtil.replaceCurrentJobManager(jobManager);
try {
// synchronized because modified/read by different threads.
final List<String> protocol = Collections.synchronizedList(new ArrayList<String>());
// Executor mock
doAnswer(new Answer<Future>() {
@Override
public Future answer(InvocationOnMock invocation) throws Throwable {
final Runnable runnable = (Runnable) invocation.getArguments()[0];
// Reject job-2 from being scheduled
if (runnable instanceof JobFutureTask) {
JobFutureTask<?> futureTask = (JobFutureTask<?>) runnable;
if ("job-2".equals(futureTask.getJobInput().getName())) {
futureTask.reject();
return null;
}
}
s_executor.execute(new NamedThreadRunnable(runnable));
return null;
}
}).when(executorMock).execute(any(Runnable.class));
final BlockingCountDownLatch job4RunningLatch = new BlockingCountDownLatch(1);
final IBlockingCondition condition = Jobs.newBlockingCondition(true);
// Job-1
IFuture<Void> future1 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
// Wait until all 5 jobs are scheduled.
JobTestUtil.waitForPermitCompetitors(m_clientSession.getModelJobSemaphore(), 5);
try {
protocol.add("running-job-1 (a)");
condition.waitFor();
protocol.add("running-job-1 (b)");
} catch (ProcessingException e) {
protocol.add("jobException");
}
if (ModelJobs.isModelThread()) {
protocol.add("running-job-1 (e) [model-thread]");
}
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-1").withExecutionHint(JOB_IDENTIFIER).withExceptionHandling(null, false));
// Job-2
IFuture<Void> future2 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-2");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-2").withExecutionHint(JOB_IDENTIFIER).withExceptionHandling(null, false));
// Job-3
IFuture<Void> future3 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-3 (a)");
condition.setBlocking(false);
// Wait until job-1 tried to re-acquire the mutex.
// 4 = job1(re-acquiring), job3(owner), job4, job5
JobTestUtil.waitForPermitCompetitors(m_clientSession.getModelJobSemaphore(), 4);
protocol.add("running-job-3 (b)");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-3").withExecutionHint(JOB_IDENTIFIER).withExceptionHandling(null, false));
// Job-4
IFuture<Void> future4 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-4");
try {
job4RunningLatch.countDownAndBlock();
} catch (java.lang.InterruptedException e) {
protocol.add("job-4 [interrupted]");
}
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-4").withExecutionHint(JOB_IDENTIFIER).withExceptionHandling(null, false));
// Job-5
IFuture<Void> future5 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-5");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-5").withExecutionHint(JOB_IDENTIFIER).withExceptionHandling(null, false));
assertTrue(job4RunningLatch.await());
try {
Jobs.getJobManager().awaitDone(Jobs.newFutureFilterBuilder().andMatchExecutionHint(JOB_IDENTIFIER).toFilter(), 1, TimeUnit.MILLISECONDS);
// job-4 and job-5 are pending
fail("timeout expected");
} catch (TimedOutError e) {
// NOOP
}
// job-4 and job-5 are pending
assertFalse(Jobs.getJobManager().isDone(Jobs.newFutureFilterBuilder().andMatchExecutionHint(JOB_IDENTIFIER).toFilter()));
List<String> expectedProtocol = new ArrayList<>();
expectedProtocol.add("running-job-1 (a)");
expectedProtocol.add("running-job-3 (a)");
expectedProtocol.add("running-job-3 (b)");
expectedProtocol.add("running-job-1 (b)");
expectedProtocol.add("running-job-1 (e) [model-thread]");
expectedProtocol.add("running-job-4");
assertEquals(expectedProtocol, protocol);
assertFalse(future1.isCancelled());
assertTrue(future1.isDone());
assertTrue(future2.isCancelled());
assertTrue(future2.isDone());
assertFalse(future3.isCancelled());
assertTrue(future3.isDone());
assertFalse(future4.isCancelled());
assertFalse(future4.isDone());
assertFalse(future5.isCancelled());
assertFalse(future5.isDone());
// cancel job4
future4.cancel(true);
awaitDoneElseFail(JOB_IDENTIFIER);
expectedProtocol.add("job-4 [interrupted]");
expectedProtocol.add("running-job-5");
assertEquals(expectedProtocol, protocol);
assertTrue(Jobs.getJobManager().isDone(Jobs.newFutureFilterBuilder().andMatchExecutionHint(JOB_IDENTIFIER).toFilter()));
assertTrue(future4.isCancelled());
assertTrue(future4.isDone());
assertFalse(future5.isCancelled());
assertTrue(future5.isDone());
} finally {
JobTestUtil.unregisterAndShutdownJobManager(jobManagerBean);
}
}
use of org.eclipse.scout.rt.platform.util.concurrent.IRunnable in project scout.rt by eclipse.
the class MutualExclusionTest method testBlockingConditionNotBlocking.
/**
* Tests that an invalidated Blocking condition does not block.
*/
@Test
public void testBlockingConditionNotBlocking() {
final IBlockingCondition condition = Jobs.newBlockingCondition(false);
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
condition.waitFor();
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
condition.waitFor();
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
awaitDoneElseFail(JOB_IDENTIFIER);
}
use of org.eclipse.scout.rt.platform.util.concurrent.IRunnable in project scout.rt by eclipse.
the class MutualExclusionTest method testNestedModelJobs.
/**
* Tests serial execution of nested model jobs.
*/
@Test
public void testNestedModelJobs() {
// synchronized because modified/read by different threads.
final List<Integer> protocol = Collections.synchronizedList(new ArrayList<Integer>());
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(1);
// SCHEDULE
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(4);
// SCHEDULE
IFuture<Void> future = ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(9);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
try {
future.awaitDoneAndGet(1, TimeUnit.SECONDS);
} catch (AssertionException e) {
protocol.add(5);
}
protocol.add(6);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
protocol.add(2);
// SCHEDULE
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(7);
ModelJobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add(10);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
protocol.add(8);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
protocol.add(3);
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withExecutionHint(JOB_IDENTIFIER));
awaitDoneElseFail(JOB_IDENTIFIER);
assertEquals(CollectionUtility.arrayList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10), protocol);
}
use of org.eclipse.scout.rt.platform.util.concurrent.IRunnable in project scout.rt by eclipse.
the class MutualExclusionTest method testRejection.
/**
* We have 3 jobs that get scheduled simultaneously. The first waits some time so that job2 and job3 get queued. When
* job2 gets scheduled, it is rejected by the executor. This test verifies, that job2 still gets scheduled.
*/
@Test
public void testRejection() {
P_JobManager jobManager = new P_JobManager();
ExecutorService executorMock = jobManager.getExecutorMock();
IBean<IJobManager> jobManagerBean = JobTestUtil.replaceCurrentJobManager(jobManager);
try {
// synchronized because modified/read by different threads.
final List<String> protocol = Collections.synchronizedList(new ArrayList<String>());
// Executor mock
doAnswer(new Answer<Future>() {
@Override
public Future answer(InvocationOnMock invocation) throws Throwable {
final Runnable runnable = (Runnable) invocation.getArguments()[0];
// Reject job-2 from being scheduled
if (runnable instanceof JobFutureTask) {
JobFutureTask<?> futureTask = (JobFutureTask<?>) runnable;
if ("job-2".equals(futureTask.getJobInput().getName())) {
futureTask.reject();
return null;
}
}
s_executor.execute(new NamedThreadRunnable(runnable));
return null;
}
}).when(executorMock).execute(any(Runnable.class));
// Job-1
final IFuture<Void> future1 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
// Wait until all 3 jobs are scheduled.
JobTestUtil.waitForPermitCompetitors(m_clientSession.getModelJobSemaphore(), 3);
protocol.add("running-job-1");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-1").withExecutionHint(JOB_IDENTIFIER));
// Job-2
final IFuture<Void> future2 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-2");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-2").withExecutionHint(JOB_IDENTIFIER));
// Job-3
IFuture<Void> future3 = Jobs.schedule(new IRunnable() {
@Override
public void run() throws Exception {
protocol.add("running-job-3");
}
}, ModelJobs.newInput(ClientRunContexts.copyCurrent()).withName("job-3").withExecutionHint(JOB_IDENTIFIER));
awaitDoneElseFail(JOB_IDENTIFIER);
assertEquals(Arrays.asList("running-job-1", "running-job-3"), protocol);
assertTrue(Jobs.getJobManager().isDone(Jobs.newFutureFilterBuilder().andMatchExecutionHint(JOB_IDENTIFIER).toFilter()));
assertFalse(future1.isCancelled());
assertTrue(future2.isCancelled());
assertFalse(future3.isCancelled());
} finally {
JobTestUtil.unregisterAndShutdownJobManager(jobManagerBean);
}
}
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