//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static int findCutoffIndex(java.util.Collection<org.neo4j.kernel.impl.transaction.TransactionRepresentation> transactions) throws java.io.IOException
private static int FindCutoffIndex(ICollection <TransactionRepresentation> transactions)
{
IEnumerator <TransactionRepresentation> iterator = transactions.GetEnumerator();
for (int i = 0; iterator.MoveNext(); i++)
{
TransactionRepresentation tx = iterator.Current;
CommandExtractor extractor = new CommandExtractor();
tx.Accept(extractor);
IList <StorageCommand> commands = extractor.Commands;
IList <StorageCommand> nodeCommands = commands.Where(command => command is NodeCommand).ToList();
if (nodeCommands.Count == 1)
{
return(i);
}
}
throw new AssertionError("Couldn't find the transaction which would be the cut-off point");
}
/// <returns> A TransactionCommitment instance with metadata about the committed transaction, such as whether or not
/// this transaction contains any explicit index changes. </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private TransactionCommitment appendToLog(org.neo4j.kernel.impl.transaction.TransactionRepresentation transaction, long transactionId) throws java.io.IOException
private TransactionCommitment AppendToLog(TransactionRepresentation transaction, long transactionId)
{
// Reset command writer so that we, after we've written the transaction, can ask it whether or
// not any explicit index command was written. If so then there's additional ordering to care about below.
_indexCommandDetector.reset();
// The outcome of this try block is either of:
// a) transaction successfully appended, at which point we return a Commitment to be used after force
// b) transaction failed to be appended, at which point a kernel panic is issued
// The reason that we issue a kernel panic on failure in here is that at this point we're still
// holding the logFile monitor, and a failure to append needs to be communicated with potential
// log rotation, which will wait for all transactions closed or fail on kernel panic.
try
{
LogPosition logPositionBeforeCommit = _writer.getCurrentPosition(_positionMarker).newPosition();
_transactionLogWriter.append(transaction, transactionId);
LogPosition logPositionAfterCommit = _writer.getCurrentPosition(_positionMarker).newPosition();
long transactionChecksum = checksum(transaction.AdditionalHeader(), transaction.MasterId, transaction.AuthorId);
_transactionMetadataCache.cacheTransactionMetadata(transactionId, logPositionBeforeCommit, transaction.MasterId, transaction.AuthorId, transactionChecksum, transaction.TimeCommitted);
transaction.Accept(_indexCommandDetector);
bool hasExplicitIndexChanges = _indexCommandDetector.hasWrittenAnyExplicitIndexCommand();
if (hasExplicitIndexChanges)
{
// Offer this transaction id to the queue so that the explicit index applier can take part in the ordering
_explicitIndexTransactionOrdering.offer(transactionId);
}
return(new TransactionCommitment(hasExplicitIndexChanges, transactionId, transactionChecksum, transaction.TimeCommitted, logPositionAfterCommit, _transactionIdStore));
}
//JAVA TO C# CONVERTER WARNING: 'final' catch parameters are not available in C#:
//ORIGINAL LINE: catch (final Throwable panic)
catch (Exception panic)
{
_databaseHealth.panic(panic);
throw panic;
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void serialize(org.neo4j.kernel.impl.transaction.TransactionRepresentation tx) throws java.io.IOException
public virtual void Serialize(TransactionRepresentation tx)
{
tx.Accept(_serializer);
}
