iundarigun

    @Transactional
    public void addBillsUncheckedException(Long id, List<BillVO> billList) {
        User user = userRepository.getOne(id);
        for (BillVO billVO : billList) {
            validateBillWithUncheckedException(billVO);
            user.getBillList().add(
                    new Bill(billVO.getType(),
                            billVO.getValue(), billVO.getDate(), user));
        }
    }

iundarigun

    @Transactional(rollbackFor = Exception.class)
    public void addBillsCheckedExceptionWithRollback(Long id, List<BillVO> billList) throws TransactionalException {
        User user = userRepository.getOne(id);
        for (BillVO billVO : billList) {
            validateBillWithCheckedException(billVO);
            user.getBillList().add(
                    new Bill(billVO.getType(),
                            billVO.getValue(), billVO.getDate(), user));
        }
    }

iundarigun

public class TransactionalException extends Exception {

}

iundarigun

    public Double getTotalValue() {
        return getBillList()
                .stream()
                .mapToDouble(b -> b.getValue().doubleValue())
                .sum();
    }

iundarigun

    @Transactional(readOnly = true)
    public User getUser(Long id) {
        log.info("M=getUser, id={}", id);
        User user = userRepository.getOne(id);
        user.setName("Sr(a). " + user.getName());
        return user;
    }

iundarigun

    @Transactional
    public User getUser(Long id) {
        User user = userRepository.getOne(id);
        user.setName("Sr(a). " + user.getName());
        return user;
    }

iundarigun

    @Transactional
    public void addBill(Long id, TypeEnum type, BigDecimal value) {
        User user = userRepository.getOne(id);
        Bill bill = new Bill(type, value, LocalDate.now(), user);
        user.getBillList().add(bill);
    }

iundarigun

    @Transactional
    public void addUsers(String... documents){
        List.of(documents).forEach(d->userRepository.save(new User(
                new Faker(new Locale("pt", "BR")).name().name(),
                d, Collections.emptyList())));
    }

iundarigun

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @GetMapping("/total-amount")
    public Double getTotalAmount(){

iundarigun

spring:
  application:
    name: test-app2
  cloud:
    config:
      uri: http://localhost:8080
      label: test-branch
management:
  security: