/**
* Get a vehicle by cartracker id from the cached list, if the vehicle does not exist it will be
* created.
*
* @param cartrackerID
* @return The found or newly created vehicle.
*/
@Override
public Vehicle getOrCreateVehicleById(String cartrackerID) {
Vehicle returnVehicle = null;
Iterator<Vehicle> it = vehicles.iterator();
while (it.hasNext()) {
Vehicle vehicle = it.next();
if (cartrackerID.equals(vehicle.getCarTrackerID())) {
returnVehicle = vehicle;
break;
}
}
/* Vehicle does not exist, lets create a new one */
if (returnVehicle == null) {
try {
/* Also create a vehicle ownership */
GregorianCalendar registerdate = new GregorianCalendar();
registerdate.add(Calendar.YEAR, -3);
VehicleOwnership vehicleOwnership = new VehicleOwnership();
vehicleOwnership.setContributeGPSData(true);
vehicleOwnership.setRegistrationdate((GregorianCalendar) registerdate.clone());
vehicleOwnership.setRegistrationExperationDate(null);
try {
// create new user with incrementing name
userDAO = new UserDAOImpl(emf);
loginDAO = new LoginDAOImpl(em);
UserDto user =
userDAO.register(
"user" + USER_ID++ + "name", "aidas123", "*****@*****.**");
MovementUser mUser = loginDAO.register(user.getUsername(), user.getEmail());
vehicleOwnership.setUser(mUser);
} catch (UserSystemException ex) {
Logger.getLogger(MovementsDAOImpl.class.getName()).log(Level.SEVERE, null, ex);
}
// create car
returnVehicle = new Vehicle(cartrackerID);
returnVehicle.setLicensePlate(itLicensePlates.next());
List<VehicleOwnership> owners = new ArrayList();
owners.add(vehicleOwnership);
returnVehicle.setVehicleOwners(owners);
em.persist(returnVehicle);
vehicleOwnership.setVehicle(returnVehicle);
em.persist(vehicleOwnership);
Logger.getLogger(MovementsDAOImpl.class.getName())
.log(Level.WARNING, "Created new vehicle with ID" + cartrackerID);
this.vehicles.add(returnVehicle);
} catch (Exception ex) {
Logger.getLogger(MovementsDAOImpl.class.getName()).log(Level.SEVERE, null, ex);
}
}
return returnVehicle;
}
/** Preload all lanes and vehicles once. */
@PostConstruct
public void init() {
System.out.println("Initializing MovementsDAOImpl");
Query laneQuery = em.createQuery("select x from Lane x");
lanes = laneQuery.getResultList();
Query vehicleQuery = em.createQuery("select x from Vehicle x");
vehicles = vehicleQuery.getResultList();
generateLicensePlates(LICENSES);
}