Excursion (1/4)Description of Use Case

• Name/Short Description

• Preconditions: prerequisites for successful execution

• Postcondition: system state upon successful completion

• Failure Situations: only domain-related failures

• Postcondition in case of failure

• Actors: communicating with the use case

• Trigger: initiating event for the use case

• Main Success Scenario: single (atomic) steps/other use cases

• Extensions/Variations: deviations from main success scenario

[cf.: A. Cockburn, Goals and Use Cases. JOOP, Sept. 1997]

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