public override void Run()
{
lock (this)
{
long nowNanos = _clock.nanos();
ISet <KernelTransactionHandle> activeTransactions = _kernelTransactions.activeTransactions();
CheckExpiredTransactions(activeTransactions, nowNanos);
}
}
public virtual Stream <QueryStatusResult> ListQueries()
{
SecurityContext.assertCredentialsNotExpired();
EmbeddedProxySPI nodeManager = Resolver.resolveDependency(typeof(EmbeddedProxySPI));
ZoneId zoneId = ConfiguredTimeZone;
try
{
//JAVA TO C# CONVERTER TODO TASK: Method reference arbitrary object instance method syntax is not converted by Java to C# Converter:
return(KernelTransactions.activeTransactions().stream().flatMap(KernelTransactionHandle::executingQueries).filter(query => IsAdminOrSelf(query.username())).map(catchThrown(typeof(InvalidArgumentsException), query => new QueryStatusResult(query, nodeManager, zoneId))));
}
catch (UncaughtCheckedException uncaught)
{
throwIfPresent(uncaught.GetCauseIfOfType(typeof(InvalidArgumentsException)));
throw uncaught;
}
}
private void MarkUnsafeTransactionsForTermination(TransactionToApply first, TransactionToApply last)
{
long firstCommittedTimestamp = first.TransactionRepresentation().TimeCommitted;
long lastCommittedTimestamp = last.TransactionRepresentation().TimeCommitted;
long earliestSafeTimestamp = lastCommittedTimestamp - _idReuseSafeZoneTime;
foreach (KernelTransactionHandle txHandle in _kernelTransactions.activeTransactions())
{
long commitTimestamp = txHandle.LastTransactionTimestampWhenStarted();
if (commitTimestamp != Org.Neo4j.Kernel.impl.transaction.log.TransactionIdStore_Fields.BASE_TX_COMMIT_TIMESTAMP && commitTimestamp < earliestSafeTimestamp)
{
if (txHandle.MarkForTermination(Org.Neo4j.Kernel.Api.Exceptions.Status_Transaction.Outdated))
{
_log.info("Marking transaction for termination, " + "invalidated due to an upcoming batch of changes being applied:" + "\n" + " Batch: firstCommittedTxId:" + first.TransactionId() + ", firstCommittedTimestamp:" + InformativeTimestamp(firstCommittedTimestamp) + ", lastCommittedTxId:" + last.TransactionId() + ", lastCommittedTimestamp:" + InformativeTimestamp(lastCommittedTimestamp) + ", batchTimeRange:" + InformativeDuration(lastCommittedTimestamp - firstCommittedTimestamp) + ", earliestSafeTimestamp:" + InformativeTimestamp(earliestSafeTimestamp) + ", safeZoneDuration:" + InformativeDuration(_idReuseSafeZoneTime) + "\n" + " Transaction: lastCommittedTimestamp:" + InformativeTimestamp(txHandle.LastTransactionTimestampWhenStarted()) + ", lastCommittedTxId:" + txHandle.LastTransactionIdWhenStarted() + ", localStartTimestamp:" + InformativeTimestamp(txHandle.StartTime()));
}
}
}
}
public virtual Stream <TransactionStatusResult> ListTransactions()
{
SecurityContext.assertCredentialsNotExpired();
try
{
//JAVA TO C# CONVERTER TODO TASK: Most Java stream collectors are not converted by Java to C# Converter:
ISet <KernelTransactionHandle> handles = KernelTransactions.activeTransactions().Where(transaction => IsAdminOrSelf(transaction.subject().username())).collect(toSet());
IDictionary <KernelTransactionHandle, IList <QuerySnapshot> > handleQuerySnapshotsMap = handles.ToDictionary(identity(), TransactionQueries);
TransactionDependenciesResolver transactionBlockerResolvers = new TransactionDependenciesResolver(handleQuerySnapshotsMap);
ZoneId zoneId = ConfiguredTimeZone;
return(handles.Select(catchThrown(typeof(InvalidArgumentsException), tx => new TransactionStatusResult(tx, transactionBlockerResolvers, handleQuerySnapshotsMap, zoneId))));
}
catch (UncaughtCheckedException uncaught)
{
throwIfPresent(uncaught.GetCauseIfOfType(typeof(InvalidArgumentsException)));
throw uncaught;
}
}