if (this.transactionId == null) {
MetaStatLog.addStat(null, StatConstants.TX_BEGIN);
this.transactionId =
new LocalTransactionId(this.sessionId, this.localTransactionIdGenerator.getNextSequenceId());
// Local transaction doesn't need unique qualifier.
final TransactionInfo info =
new TransactionInfo(this.transactionId, this.sessionId, TransactionInfo.TransactionType.BEGIN,
this.uniqueQualifier, this.transactionTimeout);
try {
this.checkConnectionConnected();
this.syncSendLocalTxCommand(info);
}