state modeling
1) Use UML State Model
- Modeling Objects: Refer to the Asg_RH documentation to model the Reservation/Order objects.
- Modeling requirements: The reference exercise does not provide enough information to help you model the order object. Please refer to the travel website of the hotel booking now, and analyze the various situations surrounding the order as much as possible until the order ends the order through a sales event (counter sales).
2) Study the Taobao return process activity diagram and model the state of the return business object
(1)
Status Set S = {New Order, Order Confirmed, Order Cancelled, Order Paid, Order Refunded }
Common event E = {create order, modify information, confirm order, pay order, overdue payment, cancel order, choose refund}