Employees, Managers,

1
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Employees, Managers, Top Manager
Set
Schema
2
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Travel Forms Their States
Sets
Schema
3
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Travel Form System
Schema
4
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Action FillOut
Schema
5
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Action Submit
Schema
6
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Action Approve
Schema
7
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
Action Reject
Schema
8
Lab2 Travel Requisition Process
Mona Li, Jiang
Qian, Yue Zhao
State Machine
TravelForm ( Initial,
Filledout, Submitted,
Approved, Rejected, Paid,
Initial,
Fillout,Submit,Judge,Pay,
(Initial,
Fillout, Filledout),
(Filledout, Submit, Submitted),
(Submitted, Judge, Approved),
(Submitted, Judge, Rejected),
(Approved, Pay, Paid)
)