UML Glossary
This glossary lists key terms and symbols used in UML data models (class diagrams), as discussed in Chapter 9.
- Aggregate:
Class that is the “whole” in a whole-part relationship.
- Association:
Relationship type, involving two or more association roles.
- Association class:
An association that is also a class; an objectified association in ORM.
- Association end:
Corresponds to a role in ORM.
- Attribute:
Property of an object; either single-valued or multivalued.
- Changeability:
How an attribute or role value may change: unrestricted, readonly, addOnly, removeOnly.
- Class:
Type of object (cf. ORM entity type).
- Collection property string:
Annotation to an attribute or association role indicating the kind of collection to be used. For ...
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