slide 12e.121 © the mcgraw-hill companies, 2005 object-oriented and classical software engineering...
TRANSCRIPT
Slide 12E.1
© The McGraw-Hill Companies, 2005
Object-Oriented and Classical Software
Engineering
Sixth Edition, WCB/McGraw-Hill, 2005
Stephen R. [email protected]
Slide 12E.2
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CHAPTER 12 — Unit E
OBJECT-ORIENTED ANALYSIS
Slide 12E.3
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Continued from Unit 12D
Slide 12E.4
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12.15.2 Buy a Masterwork Use Case
The maximum price of a masterwork is computed by first treating the painting as if it were a masterpiece, and then adjusting the result
Slide 12E.5
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The Five Classes That Enter into This Use Case
User Interface Class Compute Masterwork Price Class
This class models the computation of the price Osbert should offer
It creates a masterwork object and passes it to Compute Masterpiece Price Class as if it were a masterpiece
Compute Masterpiece Price Class Masterpiece Class Auctioned Painting Class
Slide 12E.6
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Buy a Masterwork Use Case (contd)
Class diagram (classes that enter into the use case)
Figure 12.37
Slide 12E.7
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Buy a Masterwork Use Case (contd)
One possible scenario of the use case
Figure 12.38
Slide 12E.8
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Buy a Masterwork Use Case (contd)
The remaining use cases are similar to those for the use case Buy a Masterpiece
Slide 12E.9
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12.15.3 Buy Other Painting Use Case
Class diagram
Figure 12.39
Slide 12E.10
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Buy Other Painting Use Case (contd)
Scenarios and interaction diagrams (collaboration diagrams, sequence diagrams), and associated flows of events are left as an exercise (Problems 12.16 through 12.19)
Slide 12E.11
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Modifying the Main Menu
The main menu must reflect buying the three different types of painting explicitly
Buy a Painting must be replaced by Buy a Masterpiece,Buy a Masterwork, andBuy Other Painting
Slide 12E.12
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Modifying the Main Menu (contd)
The revised screen is generated by : User Interface Class
Figure 12.40
Slide 12E.13
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The corresponding textual interface is:
Modifying the Main Menu (contd)
Figure 12.41
Slide 12E.14
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Continued in Unit 12F