1. pick of the day 23 Jan 2003 Lecture 9 E/B/C Use Case Analysis Telesterion

2. January 23 2003Lecture 92 Outline Previous Business HW1 to be returned today (hopefully) Electronic submission for HW2 using digital drop box Reading Questions Lecture Contents Use Case Analysis Entity/Boundary/Controller

3. January 21 2003Lecture 83 Requirements Analysis Identifying Actors Identifying Use Cases identify scenarios first  general use cases Refine Use Cases Identify Relationships among use cases «include» «extends»

4. January 21 2003Lecture 84 Actors External entities that interact with system Define boundaries of system ensures all perspectives taken into account

5. January 21 2003Lecture 85 Identify Actor Scenarios What functionality is available to each actor? Concrete Scenarios read like a narrative forms the basis for more abstract use cases list all participating actors

6. January 21 2003Lecture 86 Breakout Too much lecturing! Break into groups to develop scenarios

7. January 21 2003Lecture 87 Use case analysis Review Use case namename Entry ConditionWhat must be true for applicability Flow of Events1. Enumerated set of events 2. … 3. … Exit ConditionResult of use case

8. January 21 2003Lecture 88 Friday Assignments HW2 get started

9. January 21 2003Lecture 89 References