online book shop conceptualization –bookshop: books, musiccds, software –customers: register,...

Online Book Shop

• Conceptualization – Bookshop: Books, MusicCDs, Software – Customers: Register, Browse, Order – Bookshop: Charge, Ship

Online Book Shop

• Analysis: Identify Function Points – Actors

• Customer • Bookshop staff

– Use-cases • Customer registers details • Customer browses and orders items • Bookshop staff ships to customer • Customer updates details • Bookshop staff updates items

USE CASE DIAGRAM

Online Book Shop• Analysis: Identify Scenarios

– Customer registers details...

– Customer browses and orders items

• System welcome message • Customer login • System validates password

– Failure? » System error message » Exit

• Loop – Customer browses – System displays item

information – Customer selects number – System adds to shopping

cart

• Customer done • System creates order • System shows order and cost • Customer agrees to pay • System sends invoice to

customer Bookshop staff ships to customer...

– Customer updates details...

– Bookshop staff updates items...

ACTIVITY DIAGRAM

Online Book Shop

• Design: Identify Classes – From conceptualization

• Bookshop • Book • MusicCD • Software • Customer

– From analysis • Login • Password • Item order • ShoppingCart • Order • BillingAddress • BookshopStaff • ShippingAddress

– Initial guess • Bookshop • Book • MusicCD • Software • Customer • ItemOrder • ShoppingCart • Order • BillingAddress • BookshopStaff • ShippingAddress

CLASSES WITH NAMES

Online Book Shop

• Design: Identify Inheritance Relationships Among Classes – Inheritance

• Book is-a Item • MusicCD is-a Item • Software is-a Item • BillingAddress is-a Address • ShippingAddress is-a Address

CLASSES WITH INHERITANCE

Online Book Shop• Design: Identify Attributes of Classes

– Isolated class design - attributes Bookshop

– name • BookshopStaff

– name • Item

– title – publisher – yearPublished – price

• Book – author – edition – isbn

• MusicCD – artist

• Software – version

• ItemOrder – item – quantity

• ShoppingCart • Order

– salesTax – shippingFee – total

• Customer – name – customerID – password

• Address – streetNumber – street – city – state – country – postCode

• BillingAddress • ShippingAddress

CLASSES WITH ATTRIBUTES

Online Book Shop• Attributes from Aggregation and Composition

– Bookshop • Items • BookshopStaff • Customers • Orders

– Customer • Shopping cart • Order • BillingAddress • ShippingAddress

– Shopping cart • ItemOrders (composition)

– Order • Customer • ItemOrders (composition)

CLASSES WITH AGGREGATION AND COMPOSITION

Online Book Shop

• Design: Identify Methods of Classes – Class methods (CRC cards)

Bookshop

name

BookshopStaff

name

Item

title publisher yearPublished price

Book

author edition isbn

MusicCD

artist

Software

version

ItemOrder

item quantity

ShoppingCart Order

salesTax shippingFee total

Customer

name customerID password

Address

streetNumber street city state country postCode

BillingAddress ShippingAddress

CLASSES WITH METHODS

Online Book Shop• Analysis: Identify Objects

– Customer browses and orders items

• System welcome message • Customer login

Get customer object • System validates password

– Failure? » System error message » Exit

– SuccessCustomer object initializedShopping cart created for customer

• Loop – System displays item information

Get item from items listItem displays

– Customer selects number – System adds to shopping cart

Shopping cart object updated • Customer done

• System creates orderOrder object created from shopping cart

• System shows order and cost • Customer agrees to pay

Order object authorized • System sends invoice to customer

Order object passed to shipping module

• Bookshop staff ships to customer

ACTIVITY DIAGRAM WITH OBJECTS

Sequence Diagram

Collaboration Diagram

Online Book Shop• Design: Identify Packages

– BookshopInformation • Bookshop • BookshopStaff • Item • Book • MusicCD • Software

– Customers • Customer • Address • BillingAddress • ShippingAddress

– Online ordering • ItemOrder • ShoppingCart • Order

PACKAGES

Deployment Diagram

S y s t e m 1

S y s t e m 1 0

S y s t e m 1 0 0

N e t w o rkS e r ve r