Applying UML and Patterns: An Introduction to ObjectOriented Analysis and Design and Iterative Development, Third Edition [Electronic resources] نسخه متنی

16.16. Association Class

An

association class allows you treat an association itself as a class, and model it with attributes, operations, and other features. For example, if a

Company employs many

Persons, modeled with an

Employs association, you can model the association itself as the

Employment class, with attributes such as

startDate .

In the UML, it is illustrated with a dashed line from the association to the association class. See Figure 16.16.