Tool Mentor: Finding Actors and Use Cases Using Rational XDE Developer










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Tool Mentor: Finding Actors and Use Cases Using Rational XDE Developer















This tool mentor describes how to use Rational XDE Developer to find actors and use cases.


Tool: Rational XDE Developer






Relationships



Related Elements


Find Actors and Use Cases






Main Description



Overview  The steps in this tool mentor match those in the task. Links to topics in the Rational XDE (TM) online Help are marked with . This tool mentor assumes that a Use-Case Model has already been created in accordance with the XDE Model Structure Guidelines. The following steps are performed in this tool mentor: Find Actors Find Use Cases Describe How Actors and Use Cases Interact Package Use Cases and Actors Present the Use-Case Model in Use-Case Diagrams Develop a Survey of the Use-Case Model Evaluate the Results Find Actors After finding the actors, record your results as follows: Open the Use-Case Model. Navigate to a package where actors are to be captured. See Rational XDE Model Structure Guidelines. Create a diagram to capture actors, selecting use-case diagram for the diagram type. Reference: Adding Diagrams. Add actors to the diagram. See Adding Shapes to Diagrams. Annotate each actor with a brief description. See Documenting Model Elements . Reference: Working with Use-Case Diagrams. Find Use Cases After finding use cases, record your results as follows: Navigate to a package in which use cases are to be captured. See Rational XDE Model Structure Guidelines. Create a use-case diagram to capture use cases. Reference: Adding Diagrams. Add use cases to the diagram. See Adding Shapes to Diagrams. Provide a brief description and the outlined flow of events. This can be initially annotated on the model element. (See Documenting Model Elements .) Alternatively, you can use the RUP-provided template for Artifact: Use Case and attach it to the use case in the model. See Linking External Files to Model Elements . Describe How Actors and Use Cases Interact Describe the interaction between actors and use cases by following these steps: Add previously created actors to the use-case diagram containing the use cases. See Adding Shapes to Diagrams . Add communicates associations between actors and use cases. (See Adding Association Relationships .) If an association is navigable in only one direction, select a directed association, click the consumer shape first, and then click the supplier shape. Optionally, describe the association. See Documenting Model Elements . Optionally, add multiplicity of a role. See Specifying Multiplicity in Association Ends . Package Use Cases and Actors Organize actors and use cases in packages. Reference: Grouping Model Elements in Packages. Present the Use-Case Model in Use-Case Diagrams For the purposes of this tool mentor, it is assumed that diagrams have been created as actors and use cases are identified. See earlier steps for guidance on use-case diagramming using Rational XDE. Develop a Survey of the Use-Case Model There is no Rational XDE specific guidance for this step. Evaluate the Results There is no Rational XDE specific guidance for this step.





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