Chapter 3 Building Structural Diagrams

Domains (OOM)

Domains define the set of values for which an attribute is valid. They are used to enforce consistent handling of data across the system. Applying domains to attributes makes it easier to standardize data characteristics for attributes in different classes.

A domain can be created in the following diagrams:

• Class Diagram

In an OOM, you can associate the following properties with a domain:

• Data type
• Check parameters
• Business rules

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