slide 5c.1 copyright © 2004 by the mcgraw-hill companies, inc. all rights reserved. an introduction...
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Slide 5C.1
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
An Introduction toObject-Oriented
Systems Analysis and Design with UML and
the Unified Process
McGraw-Hill, 2004
Stephen R. Schach
Slide 5C.2
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
CHAPTER 5 — Unit C
THE REQUIREMENTS WORKFLOW II
Slide 5C.3
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Continued from Unit 5B
Slide 5C.4
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
«include» Relationship (contd)
Use case Estimate Payments and Grants for Week does not interact with an actor and therefore cannot be a use case in its own right– Instead, it is a portion of use case Estimate Funds
Available for Week, as reflected in the top diagram
Slide 5C.5
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Revising the Requirements: MSG (contd)
A common side-effect of the iterative and incremental life-cycle model – Details that correctly have been postponed somehow get
forgotten– Two instances of this are described on the next slide
Slide 5C.6
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Revising the Requirements: MSG (contd)
Details of use case Manage an Investment have been overlooked
Use case Manage a Mortgage to model– The addition of a new mortgage– The modification of an existing mortgage, or– The removal of an existing mortgage
has been totally forgotten
(Analogous to use case Manage an Investment)
Slide 5C.7
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Use Case Manage an Investment
Slide 5C.8
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Use Case Manage a Mortgage
Slide 5C.9
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Fourth Iteration of the Revised Use-Case Diagram
The new use case is shaded
Slide 5C.10
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Revising the Requirements: MSG (contd)
There is a further omission– Use case Produce a Report to print the three reports
» Investments report» Mortgages report» Results of weekly computation
has also been totally forgotten
Slide 5C.11
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Produce a Report
Slide 5C.12
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Produce a Report (contd)
Slide 5C.13
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Fifth Iteration of the Revised Use-Case Diagram
The new use case, Produce a Report, is shaded
Slide 5C.14
Copyright © 2004 by The McGraw-Hill Companies, Inc. All rights reserved.
Continued in Unit 5D