Standards: Usage Diagrams

Sequence, Collaboration or Class Diagrams	Interaction and / or class diagrams illustrating how the clients of the package can access the services provided by the package.
Related Information:	Standards: Collaboration Diagram Standards: Sequence Diagram Standards: Class Diagram RUP Guidelines: Collaboration Diagram RUP Guidelines: Sequence Diagram RUP Guidelines: Class Diagram

Topics

• Background
• Examples

Background 

These diagrams provide information to the consumers of the package about how to make use of the services that the package provides.

These diagrams are focused on the users of the package and should not describe any of the internal behavior or structure of the package.

The diagrams should state any preconditions and / or postconditions involved in the usage of the service's illustrated.

Examples 

A sequence diagram showing how a packages interface should be used:

A class diagram showing how a packages interface should be extended:

Wylie College Process Web Example
Version 2001.02