2. first attempt -leads to questions • notes and outstanding items/issues: • finish truck – has no operations because “load the truck” and “accept the load” do all the work -so must remove this from activity diagram • arrange truck – the same truck may be used on several occasions – need some kind of schedule possibly – or can assign trucks to order items and check to see if truck is available/suitable

4. high-level use case: customer accepts order actor action log in choose shipment accept fn. identify order select next item enter/accept quantity received accept order alternate.... customer rejects order * =separate use case system response retrieve customer data display list of customer’s orders retrieve order details present item details store quantity received release truck create invoice data* create carrier payment data* { {

5. actor + system actions responsible class (control class to be added later) log in interface(note 1) retrieve customer data customer + interface choose shipment accept fn.order (show all orders) display customer’s orders interface identify shipment order + order detail retrieve order interface select next item order detail present item details interface enter/accept qty. rec’d order item store quantity received order item close order order release truck truck create invoice data invoice create carrier payment data payment {

6. based on specs so far, here are some attributes

7. event use case truck states add a truck to carrier’s fleet maintain carrier truck is available customer accepts shipment accept order truck is available (again) arrange for a truck to be used scheduling truck is booked shipper identifies/loads truck shipping/loading truck is in use remove truck from list maintain carrier truck is retired

8. Class name: Order Responsibilities Collaborations provide order information give list of items OrderItem has the details add/change items OrderItem creates/updates self accept reservation of truck(s) Truck will determine feasibility select/release truck Truck status change create carrier payment Payment created create invoice Invoice created close order

9. Class name: Payment Responsibilities Collaborations create payment calculate item cost OrderItem for quantity Product for weight and dimensions add base rate calculate total cost prepare record for A/P Carrier for payment terms

10. Class name: Invoice Responsibilities Collaborations create invoice calculate item cost Product for prices OrderItem for quantity calculate shipping cost Payment for costs calculate total prepare record for A/R Customer for billing agreement