Icon class icon_class far fa-sticky-note icon_class_computed far fa-sticky-note Note kind ASSERTION TIP Policy level STRONG UML keywords Association Class Classifier::isAbstract SysMLv1.x keywords Block Keywords Webel Best Practice Relates to Block, Generalization, Association: Home entertainment system Related notes Related notes (backlinks) [ASSERTION, DISPLAY, FEATURE, MODELLING, SETTINGS, TIP, TOOL]{STRONG} Cameo/MagicDraw: The Classifier specification setting 'isAbstract' is (for reasons that beggar belief or engineering reason) not by default visible in the Element specification dialog. Enable expertise level 'All' (and for always everwhere). [ASSERTION, DISPLAY, FEATURE, MODELLING, SETTINGS, TIP, TOOL]{STRONG} Webel: MagicDraw/Cameo: Set EVERY element properties & symbol properties filter to 'All' (yes, not just 'Expert', to 'All', even if you are a "novice" on your first project) in EVERY dialog and every project option setting. Use the search filters! Related snippets (extracts) [UML-2.5.1] Classifier::isAbstract : Boolean [1..1] If true, the Classifier can only be instantiated by instantiating one of its specializations. An abstract Classifier is intended to be used by other Classifiers e.g., as the target of Associations or Generalizations Visit also Visit also (backlinks) Flags Book traversal links for If an abstract Block or Class in a domain model has Associations to Blocks or Classes that are not also abstract, it's often a hint that you have not identified a correct abstraction layer. Previous Up Next
