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Contents > C: List of Design Rules > C.14 Actor Rules

C.14 Actor Rules

Rule: NoAssocCategory: Completeness
Severity: 1-highApplies to: all areas
The actor is not associated with any use cases, classes, or subsystems.

Without such associations, the actor is useless. Associate the actor with one or more use cases, or delete it from the model.

Rule: NaryAssocCategory: Correctness
Severity: 2-medApplies to: all areas
The actor participates in an n-ary association.

An actor can only participate in binary associations. Replace the n-ary association with several binary associations.

  • This is a WFR of the UML.

Rule: UnnamedCategory: Correctness
Severity: 1-highApplies to: all areas
The actor has no name.

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Appendix C.13 "Interaction Rules"ContentsAppendix C.15 "Usecase Rules"