Section A (76 marks)

Question 1 (25 marks)

Illustrate in a Use Case Diagram the functional specifications of the Online ABC Pizza Ordering and Delivery System.

Requirements:

1.   The system should support two types of users: Guest and Registered User.

2.   For Guest, the system shall provide the functionalities: Register, Browse Menu.

3.   For Registered User, the system shall provide the functionalities: Browse Menu, Place Order, Checkout, Select Delivery Address, Make Payment, View Order.

4.   The system will need to support payment using Wire Transfer or Credit Card, and using a third party Payment Gateway.

5.   When placing an order:

a.   The registered user must Login to the system.

b.   The registered user can choose to add pizza, add beverage, or add side dish.

c.   The registered user must select delivery address, checkout, make payment.

Question 2 (21 marks)

Illustrate the Place Order business process with an Activity Diagram for the Online ABC Pizza Ordering and Delivery System (stated in Question 1), based on the following Use Case Description:

Use Case Name: Place Order

Use Case Description: Place a food order with pizza, beverage, or side dish. Precondition: The user is a registered user.

Post-condition: The user is able to place order with multiple items in one order. Basic events:

1.   Login to the Online ABC Pizza Ordering and Delivery System.

2.   Select delivery address before proceed to add food.

3.   Browse menu to add pizza, beverage, or side dish.

4.   Checkout and Make payment using wire transfer or credit card. Extended Events:

A1. The registered user can repeat event 3 above to add more items to the order. A2. When adding pizza, the user can have the options to select:

-    The size of the pizza, whether is personal, regular or large.

-    The type of crust, whether is hand tossed, pan or thin crust.

Question 3 (20 marks)

Based on the Online ABC Pizza Ordering and Delivery System stated in Question 1, illustrate in a Sequence Diagram the Use Case Realisation ofthe “Place Order” use case, which involves the interaction between the following four classes:

1.   RegisteredUser

2.   Menu (the controller to guide the registered user)

3.   Order

4.   Payment

Requirements:

1.   The sequence diagram should start from setting delivery address and end after making payment.

2.   The sequence diagram must support all the events in the Activity Diagram as described in Question 2.

3.   Use suitable combined fragments to model the logical control of the interaction between the classes.

4.   Assign parameters in the operations/methods.

Question 4 (10 marks)

Illustrate in a Deployment Diagram the deployment design ofthe Online ABC Pizza Ordering and Delivery System as stated in Question 1, with following requirements:

1.   A firewall to safeguard the connection from web users to the internal servers.

2.   A web server to process and relay input from user through web pages to the application

server.

3.   An application server to deploy the system, with following components:

a.   Shopping Module – depending on services from Membership, Payment and Logging modules.

b.   Membership Module

c.   Payment Module – depending on services from Logging module.

d.   Logging Module

4.   A database server to provide database access and storage for the system.