Classifier (UML)
A classifier is a category of Unified Modeling Language (UML) elements, such as attributes or methods.[1]
Overview
A classifier is an abstract metaclass classification concept that serves as a mechanism to show interfaces, classes, datatypes and components.
A classifier describes a set of instances that have common behavioral and structural features (operations and attributes, respectively).
A classifier is a namespace whose members can specify a generalization hierarchy by referencing its general classifiers.
A classifier is a type and can own generalizations, thereby making it possible to define generalization relationships to other classifiers.
A classifier is a redefinable element, as it is possible to redefine nested classifiers.
All objects that can have instances are classifiers.
Important aspects
- A classifier defines a namespace.
- A classifier contains a set of features.
- A classifier is generalizable.
Types of UML classifiers
Predefined UML classifiers
- Actor
- Association
- Class
- Component
- Datatype
- Interface
- Node
- Signal
- Subsystem
- Use Case
References
- ↑ "UML Classifier". Retrieved December 7, 2012.
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