internal void Begin()
{
try
{
if (_state == TransactionState.Active)
{
throw new InvalidOperationException("Transaction is already active");
}
CheckThread();
if (_threadFlag != null)
{
throw new InvalidOperationException("Nested transactions are not allowed!");
}
_threadFlag = true;
_startTime = Clock.CurrentTimeMillis();
var request = TransactionCreateCodec.EncodeRequest(_options.GetTimeoutMillis(), _options.GetDurability(),
(int)_options.GetTransactionType(), _threadId);
var response = Invoke(request);
_txnId = TransactionCreateCodec.DecodeResponse(response).Response;
_state = TransactionState.Active;
}
catch (Exception e)
{
_threadFlag = null;
throw ExceptionUtil.Rethrow(e);
}
}