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Use Cases: Patterns and Blueprints by Karin Palmkvist, Gunnar Övergaard

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Chapter 25. Orthogonal Views

Intent

Provide different views of the flows of a system that are perceived differently by different stakeholders.

Characteristics: Not so common. Advanced solution.

Keywords: Different reader categories, internal structure of use-case model, level of abstraction, multiple descriptions, user view of use-case model.

Patterns

Orthogonal Views: Specialization

Model

Model

Description

The Orthogonal Views: Specialization pattern consists of one use case and a collection of specializations of that use case. The former (the parent use case) models what is actually performed inside the system, whereas each one of the other use cases (each ...

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