@Override
@Transactional
public LocalizationResponse localize(MeasurementContainer container) {
User user = userRepository.findByUsername(container.getUsername());
List<Fingerprint> userPrints = container.getFingerprints();
// We sort the prints to make matching easier
Collections.sort(userPrints);
List<Place> places = placeRepository.findAll();
// If there are no places we won't do anything
if (places.isEmpty()) {
return new LocalizationResponse();
}
Place leastErraneousPlace =
localizationAlgorithms.get(container.getType()).localize(places, userPrints);
cutDownHistoryOccurrencesTo9(user.getHistory());
saveAsHistoryOccurrence(leastErraneousPlace, user);
LocalizationResponse response = new LocalizationResponse();
response.setPlaceName(leastErraneousPlace.getName());
response.setAuthenticationSuccessful(true);
return response;
}
private void saveAsHistoryOccurrence(Place place, User user) {
HistoryOccurrence occurrence = new HistoryOccurrence();
occurrence.setPlace(place);
occurrence.setMeasureTime(new Date());
user.getHistory().add(occurrence);
userRepository.save(user);
}
/**
* Localizes user by selected localization measure by selecting a proper localization command
* object and adding closest place to user's history
*
* @param username Username of user to be localized
* @param measurementform Measurement form containing user's Fingerprint data and selected
* localization measure
*/
@Override
@Transactional
public void localize(String username, MeasurementForm measurementform) {
User user = userRepository.findByUsername(username);
ArrayList<Fingerprint> userPrints = measurementform.makeFingerprints();
// We sort the prints to make matching easier
Collections.sort(userPrints);
List<Place> places = placeRepository.findAll();
// If there are no places we won't do anything
if (places.isEmpty()) {
return;
}
Place leastErraneousPlace =
localizationAlgorithms.get(measurementform.getType()).localize(places, userPrints);
cutDownHistoryOccurrencesTo9(user.getHistory());
saveAsHistoryOccurrence(leastErraneousPlace, user);
}
