@Override
public Optional<PersistentUser> findByCredentials(final Credentials credentials) {
final String identifier = credentials.getIdentifier();
if (isBlank(identifier)) {
return Optional.empty();
}
return _userRepository.findByEmailIgnoreCase(identifier);
}
@Override
public Optional<PersistentUser> findByUuid(final UUID userId) {
return _userRepository.findByUserId(userId);
}