private void NotifyIfPopulationCompleted(UpdatesTracker updatesTracker)
{
if (IsCompletedPopulation(updatesTracker))
{
NotifyPopulationCompleted(updatesTracker);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private UpdatesTracker internalExecuteCreationsDeletionsAndUpdates(long[] nodes, int numberOfCreations, boolean allowDeletions, boolean allowUpdates) throws org.neo4j.internal.kernel.api.exceptions.KernelException, InterruptedException
private UpdatesTracker InternalExecuteCreationsDeletionsAndUpdates(long[] nodes, int numberOfCreations, bool allowDeletions, bool allowUpdates)
{
if (Random.nextBoolean())
{
// 50% of time await the start signal so that updater(s) race as much as possible with the populator.
_indexOnlineMonitor.startSignal.await();
}
Random random = ThreadLocalRandom.current();
UpdatesTracker updatesTracker = new UpdatesTracker();
int offset = 0;
while (updatesTracker.Created() < numberOfCreations)
{
int created = CreateNamedPeople(nodes, offset);
offset += created;
updatesTracker.IncreaseCreated(created);
NotifyIfPopulationCompleted(updatesTracker);
// delete if allowed
if (allowDeletions && updatesTracker.Created() % 24 == 0)
{
long nodeId = nodes[random.Next(nodes.Length)];
try
{
DeleteNode(nodeId);
updatesTracker.IncreaseDeleted(1);
}
catch (NotFoundException)
{
// ignore
}
NotifyIfPopulationCompleted(updatesTracker);
}
// update if allowed
if (allowUpdates && updatesTracker.Created() % 24 == 0)
{
int randomIndex = random.Next(nodes.Length);
try
{
if (ChangeName(nodes[randomIndex], _names[random.Next(_names.Length)]))
{
updatesTracker.IncreaseUpdated(1);
}
}
catch (NotFoundException)
{
// ignore
}
NotifyIfPopulationCompleted(updatesTracker);
}
}
// make sure population complete has been notified
NotifyPopulationCompleted(updatesTracker);
return(updatesTracker);
}
public virtual void Add(UpdatesTracker updatesTracker)
{
Debug.Assert(PopulationCompleted);
Debug.Assert(updatesTracker.PopulationCompleted);
this._created += updatesTracker._created;
this._deleted += updatesTracker._deleted;
this._updated += updatesTracker._updated;
this._createdDuringPopulation += updatesTracker._createdDuringPopulation;
this._updatedDuringPopulation += updatesTracker._updatedDuringPopulation;
this._deletedDuringPopulation += updatesTracker._deletedDuringPopulation;
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWorkWhileHavingHeavyConcurrentUpdates() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWorkWhileHavingHeavyConcurrentUpdates()
{
// given some initial data
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long[] nodes = repeatCreateNamedPeopleFor(NAMES.length * CREATION_MULTIPLIER);
long[] nodes = RepeatCreateNamedPeopleFor(_names.Length * _creationMultiplier);
int initialNodes = nodes.Length;
int threads = 5;
_indexOnlineMonitor.initialize(threads);
ExecutorService executorService = Executors.newFixedThreadPool(threads);
// when populating while creating
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.internal.kernel.api.IndexReference index = createPersonNameIndex();
IndexReference index = CreatePersonNameIndex();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Collection<java.util.concurrent.Callable<UpdatesTracker>> jobs = new java.util.ArrayList<>(threads);
ICollection <Callable <UpdatesTracker> > jobs = new List <Callable <UpdatesTracker> >(threads);
for (int i = 0; i < threads; i++)
{
jobs.Add(() => ExecuteCreationsDeletionsAndUpdates(nodes, _creationMultiplier));
}
IList <Future <UpdatesTracker> > futures = executorService.invokeAll(jobs);
// sum result into empty result
UpdatesTracker result = new UpdatesTracker();
result.NotifyPopulationCompleted();
foreach (Future <UpdatesTracker> future in futures)
{
result.Add(future.get());
}
AwaitIndexesOnline();
executorService.shutdown();
assertTrue(executorService.awaitTermination(1, TimeUnit.MINUTES));
// then
AssertIndexedNodesMatchesStoreNodes();
int seenWhilePopulating = initialNodes + result.CreatedDuringPopulation() - result.DeletedDuringPopulation();
double expectedSelectivity = UNIQUE_NAMES / seenWhilePopulating;
AssertCorrectIndexSelectivity(expectedSelectivity, IndexSelectivity(index));
AssertCorrectIndexSize("Tracker had " + result, seenWhilePopulating, IndexSize(index));
int expectedIndexUpdates = result.DeletedAfterPopulation() + result.CreatedAfterPopulation() + result.UpdatedAfterPopulation();
AssertCorrectIndexUpdates("Tracker had " + result, expectedIndexUpdates, IndexUpdates(index));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldProvideIndexStatisticsWhenIndexIsBuiltViaPopulationAndConcurrentAdditions() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldProvideIndexStatisticsWhenIndexIsBuiltViaPopulationAndConcurrentAdditions()
{
// given some initial data
_indexOnlineMonitor.initialize(1);
int initialNodes = RepeatCreateNamedPeopleFor(_names.Length * _creationMultiplier).Length;
// when populating while creating
IndexReference index = CreatePersonNameIndex();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final UpdatesTracker updatesTracker = executeCreations(CREATION_MULTIPLIER);
UpdatesTracker updatesTracker = ExecuteCreations(_creationMultiplier);
AwaitIndexesOnline();
// then
int seenWhilePopulating = initialNodes + updatesTracker.CreatedDuringPopulation();
double expectedSelectivity = UNIQUE_NAMES / seenWhilePopulating;
AssertCorrectIndexSelectivity(expectedSelectivity, IndexSelectivity(index));
AssertCorrectIndexSize(seenWhilePopulating, IndexSize(index));
AssertCorrectIndexUpdates(updatesTracker.CreatedAfterPopulation(), IndexUpdates(index));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldProvideIndexStatisticsWhenIndexIsBuiltViaPopulationAndConcurrentAdditionsAndChangesAndDeletions() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldProvideIndexStatisticsWhenIndexIsBuiltViaPopulationAndConcurrentAdditionsAndChangesAndDeletions()
{
// given some initial data
_indexOnlineMonitor.initialize(1);
long[] nodes = RepeatCreateNamedPeopleFor(_names.Length * _creationMultiplier);
int initialNodes = nodes.Length;
// when populating while creating
IndexReference index = CreatePersonNameIndex();
UpdatesTracker updatesTracker = ExecuteCreationsDeletionsAndUpdates(nodes, _creationMultiplier);
AwaitIndexesOnline();
// then
AssertIndexedNodesMatchesStoreNodes();
int seenWhilePopulating = initialNodes + updatesTracker.CreatedDuringPopulation() - updatesTracker.DeletedDuringPopulation();
double expectedSelectivity = UNIQUE_NAMES / seenWhilePopulating;
int expectedIndexUpdates = updatesTracker.DeletedAfterPopulation() + updatesTracker.CreatedAfterPopulation() + updatesTracker.UpdatedAfterPopulation();
AssertCorrectIndexSelectivity(expectedSelectivity, IndexSelectivity(index));
AssertCorrectIndexSize(seenWhilePopulating, IndexSize(index));
AssertCorrectIndexUpdates(expectedIndexUpdates, IndexUpdates(index));
}
private bool IsCompletedPopulation(UpdatesTracker updatesTracker)
{
return(!updatesTracker.PopulationCompleted && _indexOnlineMonitor.IndexOnline);
}
private void NotifyPopulationCompleted(UpdatesTracker updatesTracker)
{
_indexOnlineMonitor.updatesDone();
updatesTracker.NotifyPopulationCompleted();
}
