Less04- Use-Case Analysis

Object Oriented Analysis and Design Using the UML Module : Use-Case Analysis Rational Proprietary and Confidential 1 .Objectives: Use-Case Analysis Understand the purpose of Use-Case Analysis and where in the lifecycle it is performed | Rational Proprietary and Confidential Object Oriented Analysis and Design Using the UML Module : Use-Case Analysis Rational Proprietary and Confidential Objectives: Use-Case Analysis Understand the purpose of Use-Case Analysis and where in the lifecycle it is performed Identify the classes which perform a use- case flow of events Distribute the use-case behavior to those classes, identifying responsibilities of the classes Develop use-case realizations that model the collaborations between instances of the identified classes Use-Case Analysis is where the “requirements meet OO”. Use-Case Analysis is where we identify the initial classes of our system. As the analysis classes are defined and the responsibilities are allocated to them, we will also note the usage of architectural mechanisms, more specifically, the usage of any analysis mechanisms defined in Architectural Analysis. The analysis classes and the initial use-case realizations are the key model elements being . | Rational Proprietary and Confidential Object Oriented Analysis and Design Using the UML Module : Use-Case Analysis Rational Proprietary and Confidential Objectives: Use-Case Analysis Understand the purpose of Use-Case Analysis and where in the lifecycle it is performed Identify the classes which perform a use- case flow of events Distribute the use-case behavior to those classes, identifying responsibilities of the classes Develop use-case realizations that model the collaborations between instances of the identified classes Use-Case Analysis is where the “requirements meet OO”. Use-Case Analysis is where we identify the initial classes of our system. As the analysis classes are defined and the responsibilities are allocated to them, we will also note the usage of architectural mechanisms, more specifically, the usage of any analysis mechanisms defined in Architectural Analysis. The analysis classes and the initial use-case realizations are the key model elements being developed in this activity. These will be refined in the remaining analysis and design activities. Rational Proprietary and Confidential Use-Case Analysis in Context Designer Use-Case Analysis The focus, during Use-Case Analysis, is on a specific use case rather than “the big picture”, which is the focus of the Architect activities. As you may recall, the above diagram illustrates the workflow that we are using in this course. It is a tailored version of the Analysis and Design core workflow of the Rational Unified Process. At this point, we have made an initial attempt at defining our architecture -- we have defined the upper layers of our architecture, the key abstractions, and some key analysis mechanisms. This initial architecture, along with the software requirements defined in the Requirements workflow, guides and serves as input to the Use-Case Analysis activity. An instance of Use-Case Analysis is performed for each use case to be developed during an iteration. The focus during

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