Course Registration System Use-Case Specification Login Use-Case Version 2.0 Revision History
Date | Version | Description | Author
--- | --- | --- | ---
21/Dec/98 | Draft | Draft Version | S. Gamble
13/Feb/99 | Version 1.0 | Minor corrections based on review | S. Gamble
15/Feb/99 | Version 2.0 | Modify section on use case extends Final cleanup. Revise alternate flows. Resolve outstanding issues. | S. Gamble
Table of Contents Brief Description Flow of Events 2.1 Basic Flow - Login 2.2 Alternative Flows Special Requirements Preconditions Postconditions Extension Points Login Use Case Brief Description This use case describes how a user logs into the Course Registration System. The actors starting this use case are Student, Professor, and Registrar. 2. Flow of Events The use case begins when the actor types his/her name and password on the login form. 2.1 Basic Flow - Login The system validates the actor's password and logs him/her into the system. The system displays the Main Form and the use case ends. 2.2 Alternative Flows Invalid Name / Password If in the basic flow the system cannot find the name or the password is invalid, an error message is displayed. The actor can type in a new name or password or choose to cancel the operation, at which point the use case ends. 3. Special Requirements There are no special requirements associated with this use case. 4. Preconditions There are no preconditions associated with this use case. 5. Postconditions There are no postconditions associated with this use case. 6. Extension Points There are no extension points associated with this use case.

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