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188 Model Driven Systems Development with Rational Products
Main Flow
]
6 Alternative Flows
[Alternatives are described in this section, referred to in the Basic Flow
subsection of Flow of Events section. Think of the Alternative Flow subsections
like alternative behavior
⎯
each alternative flow represents alternative behavior
usually due to exceptions that occur in the main flow. They can be as long as
necessary to describe the events associated with the alternative behavior.
Start each alternative flow with an initial line clearly stating where the alternative
flow can occur and the conditions under which it is performed.
End each alternative flow with a line that clearly states where the events of the
main flow of events are resumed. This must be explicitly stated.
Using alternative flows improves the readability of the use case. Keep in mind
that use cases are just textual descriptions, and their main purpose is to
document the behavior of a system in a clear, concise, and understandable way.
Be sure to find and describe ALL of the alternate flows.]
<Project Name> <Sub-Project Name> Document Version <0.1>
Use Case Specification Date: 20-Oct-07
Template Name: UseCaseSpecification Template Version: 0.1
Actor
Action
Black Box Step White Box Step White Box
Budgeted
Requirements
Locality Process
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