chapter 5: advanced use case modeling

Chapter 5: Advanced Use Case Modeling

[Arlow and Neustadt, 2005]

CS 426/CPE 426 Senior Projects

University of Nevada, RenoDepartment of Computer Science & Engineering

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Outline

Actor generalization Use case generalization Inclusion: <<include>> Extension: <<extend>> When to use advanced use case modeling?

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Actor Generalization.

Fig. 5.2 [Arlow & Neustadt, 2005]

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.Actor Generalization

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Fig. 5.3 [Arlow & Neustadt, 2005]

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Use Case Generalization… Fig. 5.4 [Arlow & Neustadt 2005]

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.Use Case Generalization..

Fig. 5.5 [Arlow &

Neustadt 2005]

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..Use Case Generalization.

Fig. 5.6[Arlow &Neustadt, 2005]

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…Use Case Generalization

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Inclusion..

Fig. 5.7 [Arlow & Neustadt 2005]

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.Inclusion. Fig. 5.9 [Arlow & Neustadt 2005]

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..InclusionFig. 5.8 [Arlow & Neustadt, 2005]

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Extension….

Fig. 5.10 [Arlow & Neustadt 2005]

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.Extension... Fig. 5.11 [Arlow & Neustadt 2005]

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..Extension.. Fig. 5.12 [Arlow & Neustadt 2005]

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…Extension.

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Fig. 5.13 [Arlow &

Neustadt 2005]

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When to use advanced features?

Use advanced features when they simplify the model Heavy use of <<include>> should be avoided Many stakeholders, including object modelers

misunderstand <<extend>> Avoid use case generalization unless abstract parent

use cases are used

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When to use advanced features?

Avoid functionaldecomposition!

Fig. 5.16 [Arlow & Neustadt 2005]

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Extras: Senior Projects Videos

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