Contents > C: List of Design Rules > C.19 Activitygroup Rules

C.19 Activitygroup Rules

Rule: EmptyGroupCategory: Completeness
Severity: 2-medApplies to: all areas
The activity group does not contain any nodes or subgroups.

Add nodes to the activity group, or delete it from the model.

Rule: NoExpansionNodeCategory: Completeness
Severity: 1-highApplies to: all areas
The expansion region has no expansion node.

An expansion region must have at least one input expansion node. This is a WFR of the UML.