//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = 5_000) public void shouldAcceptNewJobWhenRunningJobFinishes() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldAcceptNewJobWhenRunningJobFinishes()
{
// Given
when(_config.jobLimit()).thenReturn(1);
JobScheduler jobScheduler = createInitialisedScheduler();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final IndexSamplingJobTracker jobTracker = new IndexSamplingJobTracker(config, jobScheduler);
IndexSamplingJobTracker jobTracker = new IndexSamplingJobTracker(_config, jobScheduler);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch latch = new org.neo4j.test.DoubleLatch();
DoubleLatch latch = new DoubleLatch();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean lastJobExecuted = new java.util.concurrent.atomic.AtomicBoolean();
AtomicBoolean lastJobExecuted = new AtomicBoolean();
jobTracker.ScheduleSamplingJob(new IndexSamplingJobAnonymousInnerClass3(this, latch));
// When
Executors.newSingleThreadExecutor().execute(() =>
{
jobTracker.WaitUntilCanExecuteMoreSamplingJobs();
jobTracker.ScheduleSamplingJob(new IndexSamplingJobAnonymousInnerClass4(this, latch, lastJobExecuted));
});
assertFalse(jobTracker.CanExecuteMoreSamplingJobs());
latch.StartAndWaitForAllToStart();
latch.WaitForAllToFinish();
// Then
assertTrue(lastJobExecuted.get());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotRunASampleJobWhichIsAlreadyRunning() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotRunASampleJobWhichIsAlreadyRunning()
{
// given
when(_config.jobLimit()).thenReturn(2);
JobScheduler jobScheduler = createInitialisedScheduler();
IndexSamplingJobTracker jobTracker = new IndexSamplingJobTracker(_config, jobScheduler);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch latch = new org.neo4j.test.DoubleLatch();
DoubleLatch latch = new DoubleLatch();
// when
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger count = new java.util.concurrent.atomic.AtomicInteger(0);
AtomicInteger count = new AtomicInteger(0);
assertTrue(jobTracker.CanExecuteMoreSamplingJobs());
IndexSamplingJob job = new IndexSamplingJobAnonymousInnerClass(this, latch, count);
jobTracker.ScheduleSamplingJob(job);
jobTracker.ScheduleSamplingJob(job);
latch.StartAndWaitForAllToStart();
latch.WaitForAllToFinish();
assertEquals(1, count.get());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotStartOtherSamplingWhenSamplingAllTheIndexes()
public virtual void ShouldNotStartOtherSamplingWhenSamplingAllTheIndexes()
{
// given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger totalCount = new java.util.concurrent.atomic.AtomicInteger(0);
AtomicInteger totalCount = new AtomicInteger(0);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicInteger concurrentCount = new java.util.concurrent.atomic.AtomicInteger(0);
AtomicInteger concurrentCount = new AtomicInteger(0);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch jobLatch = new org.neo4j.test.DoubleLatch();
DoubleLatch jobLatch = new DoubleLatch();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch testLatch = new org.neo4j.test.DoubleLatch();
DoubleLatch testLatch = new DoubleLatch();
IndexSamplingJobFactory jobFactory = (_indexId, proxy) =>
{
if (!concurrentCount.compareAndSet(0, 1))
{
throw new System.InvalidOperationException("count !== 0 on create");
}
totalCount.incrementAndGet();
jobLatch.WaitForAllToStart();
testLatch.StartAndWaitForAllToStart();
jobLatch.WaitForAllToFinish();
concurrentCount.decrementAndGet();
testLatch.Finish();
return(null);
};
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final IndexSamplingController controller = new IndexSamplingController(samplingConfig, jobFactory, jobQueue, tracker, snapshotProvider, scheduler, always(true));
IndexSamplingController controller = new IndexSamplingController(_samplingConfig, jobFactory, _jobQueue, _tracker, _snapshotProvider, _scheduler, Always(true));
when(_tracker.canExecuteMoreSamplingJobs()).thenReturn(true);
when(_indexProxy.State).thenReturn(ONLINE);
// when running once
(new Thread(RunController(controller, TRIGGER_REBUILD_UPDATED))).Start();
jobLatch.StartAndWaitForAllToStart();
testLatch.WaitForAllToStart();
// then blocking on first job
assertEquals(1, concurrentCount.get());
// when running a second time
controller.SampleIndexes(BACKGROUND_REBUILD_UPDATED);
// then no concurrent job execution
jobLatch.Finish();
testLatch.WaitForAllToFinish();
// and finally exactly one job has run to completion
assertEquals(0, concurrentCount.get());
assertEquals(1, totalCount.get());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotAcceptMoreJobsThanAllowed() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotAcceptMoreJobsThanAllowed()
{
// given
when(_config.jobLimit()).thenReturn(1);
JobScheduler jobScheduler = createInitialisedScheduler();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final IndexSamplingJobTracker jobTracker = new IndexSamplingJobTracker(config, jobScheduler);
IndexSamplingJobTracker jobTracker = new IndexSamplingJobTracker(_config, jobScheduler);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch latch = new org.neo4j.test.DoubleLatch();
DoubleLatch latch = new DoubleLatch();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch waitingLatch = new org.neo4j.test.DoubleLatch();
DoubleLatch waitingLatch = new DoubleLatch();
// when
assertTrue(jobTracker.CanExecuteMoreSamplingJobs());
jobTracker.ScheduleSamplingJob(new IndexSamplingJobAnonymousInnerClass2(this, latch));
// then
latch.WaitForAllToStart();
assertFalse(jobTracker.CanExecuteMoreSamplingJobs());
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean waiting = new java.util.concurrent.atomic.AtomicBoolean(false);
AtomicBoolean waiting = new AtomicBoolean(false);
(new Thread(() =>
{
waiting.set(true);
waitingLatch.StartAndWaitForAllToStart();
jobTracker.WaitUntilCanExecuteMoreSamplingJobs();
waiting.set(false);
waitingLatch.Finish();
})).Start();
waitingLatch.WaitForAllToStart();
assertTrue(waiting.get());
latch.Finish();
waitingLatch.WaitForAllToFinish();
assertFalse(waiting.get());
// eventually we accept new jobs
while (!jobTracker.CanExecuteMoreSamplingJobs())
{
Thread.yield();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = 10_000) public void shouldBlockUniqueIndexSeekFromCompetingTransaction() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBlockUniqueIndexSeekFromCompetingTransaction()
{
// This is the interleaving that we are trying to verify works correctly:
// ----------------------------------------------------------------------
// Thread1 (main) : Thread2
// create unique node :
// lookup(node) :
// open start latch ----->
// | : lookup(node)
// wait for T2 to block : |
// : *block*
// commit ---------------> *unblock*
// wait for T2 end latch : |
// : finish transaction
// : open end latch
// *unblock* <-------------‘
// assert that we complete before timeout
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.DoubleLatch latch = new org.neo4j.test.DoubleLatch();
DoubleLatch latch = new DoubleLatch();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.internal.kernel.api.IndexReference index = createUniquenessConstraint(labelId, propertyId1);
IndexReference index = CreateUniquenessConstraint(_labelId, _propertyId1);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.values.storable.Value value = org.neo4j.values.storable.Values.of("value");
Value value = Values.of("value");
Write write = DataWriteInNewTransaction();
long nodeId = write.NodeCreate();
write.NodeAddLabel(nodeId, _labelId);
// This adds the node to the unique index and should take an index write lock
write.NodeSetProperty(nodeId, _propertyId1, value);
ThreadStart runnableForThread2 = () =>
{
latch.WaitForAllToStart();
try
{
using (Transaction tx = Kernel.beginTransaction(Transaction.Type.@implicit, LoginContext.AUTH_DISABLED))
{
tx.dataRead().lockingNodeUniqueIndexSeek(index, exact(_propertyId1, value));
tx.success();
}
}
catch (KernelException e)
{
throw new Exception(e);
}
finally
{
latch.Finish();
}
};
Thread thread2 = new Thread(runnableForThread2, "Transaction Thread 2");
thread2.Start();
latch.StartAndWaitForAllToStart();
while ((thread2.State != Thread.State.TIMED_WAITING) && (thread2.State != Thread.State.WAITING))
{
Thread.yield();
}
Commit();
latch.WaitForAllToFinish();
}
