1. A Case Study Stolen from Ken Lunn
The Odd Shoe Company
Ken Lunn
Case Study from Ken Lunn’s Book - Software Development with UML

2. Case Study from Ken Lunn’s Book - Software Development with UML
The Source
Case Study from Ken Lunn’s Book - Software Development with UML

3. Beginnings of a Method
Soft Systems Model

4. Case Study from Ken Lunn’s Book - Software Development with UML
Use case diagram for the Internet ordering system for the Odd Shoe Company
Case Study from Ken Lunn’s Book - Software Development with UML

5. Use case description for visiting the home page
Case Study from Ken Lunn’s Book - Software Development with UML

6. Odd Shoe Company home page
Case Study from Ken Lunn’s Book - Software Development with UML

7. Use case description for the browse catalogue use case
Case Study from Ken Lunn’s Book - Software Development with UML

8. The Odd Shoe Company top catalogue page, displaying styles
Case Study from Ken Lunn’s Book - Software Development with UML

9. Case Study from Ken Lunn’s Book - Software Development with UML
The Odd Shoe Company – second level catalogue page, displaying summary for each shoe in style
Case Study from Ken Lunn’s Book - Software Development with UML

10. the Odd Shoe Company – detailed shoe page
Case Study from Ken Lunn’s Book - Software Development with UML

11. Use case description for View Shopping Basket use case
Case Study from Ken Lunn’s Book - Software Development with UML

12. Prototype screen for the Odd Shoe Company shopping basket
Case Study from Ken Lunn’s Book - Software Development with UML

13. Part of Use Case Diagram
visit home page
browse catalogue
view basket
order
customer
Case Study from Ken Lunn’s Book - Software Development with UML

14. Browse Catalogue Use Case
1. Customer selects catalogue from home page
2. A list of shoe styles with thumbnail pictures displayed
3. Customer selects a shoe style
4. List of shoes and prices displayed, with thumbnails of shoes
5. Customer selects a shoe
6. Large picture of shoe displayed, with a list of prices, sizes, stock availability and colours
7. Customer fills in quantity, size, foot and colour
8. Customer clicks add to basket.
Case Study from Ken Lunn’s Book - Software Development with UML

15. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
1. Customer selects catalogue from home page
: Odd Shoe
: customer
Home Page
openCatalogue( )
Case Study from Ken Lunn’s Book - Software Development with UML

16. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
2. A list of shoe styles with thumbnail pictures displayed
: Odd Shoe
Home Page
: Catalogue
: shoe style
: customer
openCatalogue( )
open( )
detDetails( )
format( )
Case Study from Ken Lunn’s Book - Software Development with UML

17. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
3. Customer selects a shoe style
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
Case Study from Ken Lunn’s Book - Software Development with UML

18. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
4. List of shoes and prices displayed, with thumbnails of shoes
: shoe
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
getSummary( )
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
: Shoe Style
Page
Case Study from Ken Lunn’s Book - Software Development with UML

19. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
5. Customer selects a shoe
: shoe
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
getSummary( )
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
: Shoe Style
Page
selectShoe( )
Case Study from Ken Lunn’s Book - Software Development with UML

20. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
6. Large picture of shoe displayed, with a list of prices, sizes, stock availability and colours
: shoe
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
getSummary( )
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
: Shoe Style
Page
: Shoe Page
selectShoe( )
getDetails( )
Case Study from Ken Lunn’s Book - Software Development with UML

21. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
7. Customer fills in quantity, size, foot and colour
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
: shoe
: Shoe Page
: Shoe Style
Page
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
getSummary( )
selectShoe( )
getDetails( )
enterDetails( )
Case Study from Ken Lunn’s Book - Software Development with UML

22. Case Study from Ken Lunn’s Book - Software Development with UML
Odd Shoe Company
8. Customer clicks add to basket.
: shopping
basket
: customer
: Odd Shoe
Home Page
: Catalogue
: shoe style
: shoe
: Shoe Page
: Shoe Style
Page
openCatalogue( )
open( )
detDetails( )
format( )
selectStyle( )
getSummary( )
selectShoe( )
getDetails( )
addItem( )
enterDetails( )
addToBasket( )
Case Study from Ken Lunn’s Book - Software Development with UML

23. Case Study from Ken Lunn’s Book - Software Development with UML
Analysis sequence diagram for the browse catalogue use case primary path (from book)
Case Study from Ken Lunn’s Book - Software Development with UML

24. Case Study from Ken Lunn’s Book - Software Development with UML
Preliminary class diagram, showing the major entity objects and the attributes
Case Study from Ken Lunn’s Book - Software Development with UML

25. Case Study from Ken Lunn’s Book - Software Development with UML
Class diagram showing the entity objects with operations and attributes
Case Study from Ken Lunn’s Book - Software Development with UML

26. Case Study from Ken Lunn’s Book - Software Development with UML
Organization of the screens to support the browse catalogue use case, shown as a class diagram
Case Study from Ken Lunn’s Book - Software Development with UML

27. Case Study from Ken Lunn’s Book - Software Development with UML
Screen navigation extended to show operations indicating what can be done in each screen
Case Study from Ken Lunn’s Book - Software Development with UML

28. Test plan for the primary path of the browse catalogue use case
Case Study from Ken Lunn’s Book - Software Development with UML

29. Beginnings of a Method
Soft Systems Model