Spring事务失效的场景梳理总结

public class BackGroupServiceImpl {
    @Autowired
    private SelfHelpBackgroundMapper backgroundMapper;
    @Transactional(propagation = Propagation.REQUIRES_NEW)
    public void updateSelfHelpBackground(SelfHelpBackground background) {
        backgroundMapper.updateByPrimaryKey(background);
    }
}

@Service
public class BackGroupServiceImpl {
    @Autowired
    private SelfHelpBackgroundMapper backgroundMapper;
    @Transactional(propagation = Propagation.REQUIRED)
    public  void updateSelfHelpBackground(SelfHelpBackground background) {
        backgroundMapper.updateByPrimaryKey(background);
    }
    public void updateBackground(){
        updateSelfHelpBackground(new SelfHelpBackground());
    }
}

@Service
public class BackGroupServiceImpl {
    @Autowired
    private SelfHelpBackgroundMapper backgroundMapper;
    @Transactional(propagation = Propagation.REQUIRED)
    public  void updateSelfHelpBackground(SelfHelpBackground background) {
        backgroundMapper.updateByPrimaryKey(background);
    }
    @Transactional(propagation = Propagation.NOT_SUPPORTED)
    public void updateBackground(SelfHelpBackground background){
       backgroundMapper.updateByPrimaryKey(background);
    }
}

@Service
public class OrderServiceImpl{
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private ProductMapper productMapper;
    @Override
    @Transactional(propagation = Propagation.REQUIRES_NEW)
    public ResponseEntity submitOrder(Order order) {
        long orderNo = Math.abs(ThreadLocalRandom.current().nextLong(1000));
        order.setOrderNo("ORDER_" + orderNo);
        orderMapper.insert(order);
        // 扣减库存
        this.updateProductStockById(order.getProductId(), 1L);
        return new ResponseEntity(HttpStatus.OK);
    }
    /**
     * 事务类型声明为NOT_SUPPORTED不支持事务的传播
     */
    @Transactional(propagation = Propagation.NOT_SUPPORTED)
    public void updateProductStockById(Integer num, Long productId) {
        try {
            productMapper.updateProductStockById(num, productId);
        } catch (Exception e) {
            // 这里仅仅是捕获异常之后的打印（相当于程序吞掉了异常）
            log.error("Error updating product Stock: {}", e);
        }
    }
}

@Bean
public PlatformTransactionManager transactionManager(DataSource dataSource) {
    return new DataSourceTransactionManager(dataSource);
}

@Slf4j
@Service
public class OrderServiceImpl {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private MessageService messageService;
    @Transactional
    public void orderCommit(orderModel orderModel) throws Exception {
        orderMapper.insertOrder(orderModel);
        new Thread(() -> {
            messageService.sendSms();
        }).start();
    }
}
@Service
public class MessageService {
    @Transactional
    public void sendSms() {
        // 发送短信
    }
}