void IHandle <StorageMessage.WriteTransactionData> .Handle(StorageMessage.WriteTransactionData message)
{
Interlocked.Decrement(ref FlushMessagesInQueue);
try
{
var logPosition = Writer.Checkpoint.ReadNonFlushed();
var transactionInfo = _indexWriter.GetTransactionInfo(Writer.Checkpoint.Read(), message.TransactionId);
if (!CheckTransactionInfo(message.TransactionId, transactionInfo))
{
return;
}
if (message.Events.Length > 0)
{
long lastLogPosition = -1;
for (int i = 0; i < message.Events.Length; ++i)
{
var evnt = message.Events[i];
var record = LogRecord.TransactionWrite(logPosition,
message.CorrelationId,
evnt.EventId,
message.TransactionId,
transactionInfo.TransactionOffset + i + 1,
transactionInfo.EventStreamId,
evnt.EventType,
evnt.Data,
evnt.Metadata,
evnt.IsJson);
var res = WritePrepareWithRetry(record);
logPosition = res.NewPos;
lastLogPosition = res.WrittenPos;
}
var info = new TransactionInfo(transactionInfo.TransactionOffset + message.Events.Length,
transactionInfo.EventStreamId);
_indexWriter.UpdateTransactionInfo(message.TransactionId, lastLogPosition, info);
}
}
catch (Exception exc)
{
Log.ErrorException(exc, "Exception in writer.");
throw;
}
finally
{
Flush();
}
}
void IHandle <StorageMessage.WriteTransactionData> .Handle(StorageMessage.WriteTransactionData message)
{
Interlocked.Decrement(ref FlushMessagesInQueue);
try
{
Debug.Assert(message.Events.Length > 0);
var logPosition = Writer.Checkpoint.ReadNonFlushed();
var transactionOffset = ReadIndex.GetLastTransactionOffset(logPosition, message.TransactionId);
if (transactionOffset < -1)
{
throw new Exception(
string.Format("Invalid transaction offset {0} found for transaction ID {1}. Possibly wrong transactionId provided.",
transactionOffset,
message.TransactionId));
}
for (int i = 0; i < message.Events.Length; ++i)
{
var evnt = message.Events[i];
var record = LogRecord.TransactionWrite(logPosition,
message.CorrelationId,
evnt.EventId,
message.TransactionId,
transactionOffset + i + 1,
message.EventStreamId,
evnt.EventType,
evnt.Data,
evnt.Metadata);
var res = WritePrepareWithRetry(record);
logPosition = res.NewPos;
}
}
finally
{
Flush();
}
}
