Chapter 23. Multiple Actors
Intent
Capture commonalities between actors while keeping separate roles apart.
Characteristics: Very common. Basic.
Keywords: Common role, different roles, generalization of actors, overlapping actors, several users of a use case.
Patterns
Multiple Actors: Distinct Roles
Model
Description
The Multiple Actors: Distinct Roles pattern consists of one use case and (at least) two actors.
Applicability
This pattern is used when the two actors play different roles toward the use case; that is, they interact differently with the use case.
Type
Structure pattern.
Multiple Actors: Common Role
Model
Description
In an alternative pattern, the two ...
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