[GitHub] [servicecomb-pack] pengyu0929 commented on issue #562: 服用调用问题

[GitBox <gi...@apache.org>]

pengyu0929 commented on issue #562: 服用调用问题
URL: https://github.com/apache/servicecomb-pack/issues/562#issuecomment-534396578
 
 
   这个A服务：
   ```java
    @SagaStart
       @Override
       @Transactional
       public String booking(Booking booking) {
           System.out.println(booking.getName() + " : 开始预定。。。");
           carFeignClient.bookingCar(booking.getName(), booking.getCars(), booking.getRooms());
           System.out.println("预定结束。。。");
           return booking.getName() + " booking " + booking.getRooms() + " rooms and " + booking.getCars() + " cars OK";
       }
   ```
   这个是B服务：
   ```java
    @Compensable(compensationMethod = "cancel")
       @Override
       @Transactional
       public CarBooking order(CarBooking booking, Integer rooms) {
           System.out.println(booking.getName() + " : 开始预定出租车。。。。");
           hotelFeignClient.bookingHotel("test", rooms);
           System.out.println(booking.getName() + " : 预定出租车成功 , 预定数量 ： ");
           return booking;
       }
   
       public void cancel(CarBooking booking, Integer rooms) {
           System.out.println("预定出租车出现异常，开始退订。。。");
           System.out.println("退订出租车成功，数量 ： ");
       }
   ```
   这个是C服务：
   ```java
   @Compensable(compensationMethod = "cancel")
       @Override
       @Transactional
       public HotelBooking order(HotelBooking booking) {
           System.out.println(booking.getName() + " ： 开始预定房间。。。");
           int i = 1 / 0;
           System.out.println(booking.getName() + " ： 预定房间成功，数量 ： " + booking.getRoomAmount());
           return booking;
       }
   
       public void cancel(HotelBooking booking) {
           System.out.println("预定房间出现异常，开始退订。。");
           System.out.println("退订房间成功，数量 ： " + booking.getRoomAmount());
       }
   ```
   

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