public int newCustomer(int id) throws RemoteException { Trace.info("INFO: RM::newCustomer(" + id + ") called"); // Generate a globally unique ID for the new customer int cid = Integer.parseInt( String.valueOf(id) + String.valueOf(Calendar.getInstance().get(Calendar.MILLISECOND)) + String.valueOf(Math.round(Math.random() * 100 + 1))); Customer cust = new Customer(cid); writeData(id, cust.getKey(), cust); Customer temp = cust.clone(); temp.setID(-1); temp.setType(1); writeDataToLog(id, cust.getKey(), temp); Trace.info("RM::newCustomer(" + cid + ") returns ID=" + cid); return cid; }
public ReturnTuple<Integer> newCustomer(int id, Timestamp timestamp) throws RemoteException, TransactionAbortedException, InvalidTransactionException { if (!isMaster) { System.out.println("Slave retransmitting newCustomer to master"); return this.getMaster().newCustomer(id, timestamp); } else { timestamp.stamp(); int rid = Integer.parseInt( String.valueOf(id) + String.valueOf(Calendar.getInstance().get(Calendar.MILLISECOND)) + String.valueOf(Math.round(Math.random() * 100 + 1))); NewCustomerWithIdRMICommand nc = new NewCustomerWithIdRMICommand(carGroup, flightGroup, roomGroup, id, rid); nc.setTimestampObject(timestamp); ReturnTuple<Integer> result = null; try { overseer.validTransaction(id); lm.Lock(id, Customer.getKey(rid), nc.getRequiredLock()); nc.execute(); result = new ReturnTuple<Integer>(rid, nc.success.timestamp); overseer.addCommandToTransaction(id, nc); } catch (DeadlockException d) { timestamp.stamp(); overseer.abort(id); timestamp.stamp(); throw new TransactionAbortedException(timestamp); } catch (TransactionAbortedException tae) { tae.t = timestamp; throw tae; } catch (InvalidTransactionException ite) { ite.t = timestamp; throw ite; } result.timestamp.stamp(); return result; } }