Spring @Transaction method call by the method within the same class, does not work?

Question

I am new to Spring Transaction. Something that I found really odd, probably I did understand this properly.

I wanted to have a transactional around method level and

Answer 1

With Spring 4 it's possible to Self autowired

@Service
@Transactional
public class UserServiceImpl implements UserService{
    @Autowired
    private  UserRepository repository;

    @Autowired
    private UserService userService;

    @Override
    public void update(int id){
       repository.findOne(id).setName("ffffd");
    }

    @Override
    public void save(Users user) {
        repository.save(user);
        userService.update(1);
    }
}