Modeling Flows of Control

• Set the context for the interaction (system, subsystem, operation, class, scenario of UC)

• Identify which objects play a role in the interaction

• Place most important object in the center

• Specify links among objects

• Starting with message that initiates interaction, attach each subsequent messsage to the appropriate link.

• Set the sequence number

• If more formality is needed, add pre and post conditions to each message

Previous slide

Next slide

Back to first slide

View graphic version