Order.
Order, 12.
. 12. Order.
1. Order.
2. Open State Diagram.
1. Start State ( ).
2. .
3. End State ( ).
4. .
1. State ().
2. .
1. State ().
2. .
3. Cancelled ().
4. State ().
5. .
6. Filled ().
7. State ().
8. .
9. Initialization ().
10. State ().
11. .
12. Pending ( ).
1. Initialization ().
2. Actions ().
3. Insert ().
4. .
5. Store Order Date ( ).
6. , When () On Entry ( ).
7. 3 - 7, :
# Collect Customer Info ( ), When Do
# Add Order Items ( ), When Do
8. , .
9. Cancelled ().
10. 2 - 7, Store Cancellation Data ( ), On Exit ( )
11. , .
12. Filled ().
13. 2 - 7, Bill Customer ( ), Do.
14. , .
1. Transition ().
2. .
3. Initialization ().
4. , :
# Initialization () Pending ( )
# Pending ( ) Filled ()
# Cancelled ()
# Cancelled ()
# Filled ()
5. Transition to Self ( ).
6. Pending ( ).
