gistfile1.txt

@Service
public class UserSrvc {
  public UserRepository mySrvc;

  public UserSrvc() {
    this.mySrvc = new UserRepository();
  }

  public User doSmthngImportant(Long id) {
    if (id == null) {
      return null;
    }
    try {
      return doDatabaseWork(id);
    } catch (Exception e) {
    }
    return null;
  }

  @Transactional
  private User doDatabaseWork(Long userID) {
    System.out.println("Doing something very important");
    User u = mySrvc.findById(userID).get();
    u.setName("UpdatedName");
    mySrvc.save(u);
    return u;
  }
}