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;
}
}
// I opted to pass in customerID instead. This makes testing easier
public ReturnTuple<Boolean> newCustomer(int id, int customerID, Timestamp timestamp)
throws RemoteException, TransactionAbortedException, InvalidTransactionException {
if (!isMaster) {
System.out.println("Slave retransmitting newCustomer to master");
return this.getMaster().newCustomer(id, customerID, timestamp);
} else {
timestamp.stamp();
NewCustomerWithIdRMICommand ncwi =
new NewCustomerWithIdRMICommand(carGroup, flightGroup, roomGroup, id, customerID);
ncwi.setTimestampObject(timestamp);
ReturnTuple<Boolean> result = null;
try {
overseer.validTransaction(id);
lm.Lock(id, Customer.getKey(customerID), ncwi.getRequiredLock());
ncwi.execute();
result = ncwi.success;
if (result.result) overseer.addCommandToTransaction(id, ncwi);
} 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;
}
}
