Deck 11: Requirements Modeling: Behavior, Patterns, and Web/ Mobile Apps

Question 1

Under what circumstances should requirements modeling be utilized for Web or mobile apps?

Answer 1

-Large or complex app to be built
-Large number of stakeholders
-Large number developers onapp team
-Development team members have not worked together before
-App success will have strong bearing on success of company

Question 2

Describe the contents of the WebApp content,functional,interaction,and configuration models.

Answer 2

-Content model - structural elements that represent WebApp content requirements (UML class diagrams)
-Functional model - user observable behavior delivered to end-users and operations contained in analysis classes to implement class behaviors (UML activity diagrams)
-Interaction model - indicates how users make use of the WebApp content and functionality (use-cases,UML sequence diagrams,state diagrams,user interface prototype)
-Configuration model - may be a list of server-side and client-side attributes required for the WebApp (UML deployment diagrams)
Final Exam Questions

Question 3

What are the steps needed to build a behavioral model?

Answer 3

-Evaluate the use-cases to understand the interaction sequence within the system.
-Identify events that drive the interaction sequence and how the events relate to specific objects.
-Create an event trace for each use-case.
-Build a state transition diagram for the system.
-Review the object-behavior model to verify accuracy and consistency.

Question 4

How should analysis patterns be documented once they are discovered?