public override void onTransaction(TransactionMessage message)
{
Logger.getInstance().log("Processing transaction", LOGGING_NAME, Logger.Level.INFO);
coordinator.setNodeCount(TcpSender.getInstance().getServerNodesCount());
SqlParser parser = new SqlParserImpl();
if(!parser.parse(message.QueryString))
{
Logger.getInstance().log("Unparsable query - send back error and end transaction", LOGGING_NAME, Logger.Level.INFO);
TcpSender.getInstance().sendToNode(new RBD.Msg.Client.ErrorMessage("Bad query"), message.Sender);
coordinator.endTransaction();
return;
}
coordinator.setQueryString( parser.getQueryString() );
coordinator.TableName = parser.getTableName();
if(parser.getOperationType().Equals(SqlOperationType.SELECT))
{
Logger.getInstance().log("Select query detected", LOGGING_NAME, Logger.Level.INFO);
coordinator.processSelect();
}
else
{
CanCommitMessage msg = new CanCommitMessage();
msg.TableName = parser.getTableName();
msg.QueryString = parser.getQueryString();
msg.TableVersion = coordinator.DatabaseState.getTableVersion(msg.TableName);
if(parser.getOperationType().Equals(SqlOperationType.CREATE)) {
msg.IsCreate = true;
}
else {
msg.IsCreate = false;
}
Logger.getInstance().log("Changing state to waiting", LOGGING_NAME, Logger.Level.INFO);
coordinator.broadcastMessage(msg);
coordinator.changeState(new WaitingState());
}
}
//throws InterruptedException
public void processTransactionMessage(TransactionMessage msg)
{
String transactionId = Util.Util.generateGUID();
Logger.getInstance().log(
"Creating coordinator with tid - " + transactionId + " : " + msg.toString(),
LOGGING_NAME,
Logger.Level.INFO);
// create COORDINATOR
Coordinator coor = new CoordinatorImpl();
coordinators[transactionId] = coor;
coor.setTransactionId(transactionId);
coor.setClientAddress(msg.getSender());
coor.setDatabaseState(DatabaseStateImpl.getInstance());
coor.setConnector(DbConnectorImpl.getInstance());
coor.addEndTransactionListener(this);
// give him the message
coor.processMessage(msg);
}
/**
*/
public virtual void onTransaction(TransactionMessage message)
{
Logger.getInstance().log("Nie oczekiwano wiadomosci: TransactionMessage", LOGGER_NAME, Logger.Level.WARNING);
}
