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Log In and Create Profile Use Cases

 
Greenhorn
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Do you guys think Sequence Diagrams are required for the Use Cases mentioned in the Alternative Flows - Log In and Create Profile?

And I guess Awards Travel is also an Alternative Flow but I am already inclined to provide a Sequence Diagram for that since it seems so tightly linked with Pay for Itinerary.
 
Greenhorn
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Matthew,
the answer is you May or May not. You can depict Login and Create profile as a seperate Sequence Diagram or can add it with a Main Flow sequence diagram. You can also depict them as comments in the Main Flow sequence diagram as a "pre-condition" or "post-condition". Comments within a sequence diagram could include
After being logged user performs .........
or
If user has awards travel card, user proceeds to pay using it.....

Thanks
Sankha Subhra Das
 
Ranch Hand
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Hi,
Nice one Sankha. Marthew, some people have had separate sequence diagrams, but I think Sankha has a better way.

Ray
 
Consider Paul's rocket mass heater.
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