Use Case
| Diagram |
 |
| Name |
Logout
|
| Iteration |
Filled
|
| Summary |
A User logs out of the System, thus requiring authentication
before their account can be used again.
|
| Basic Course of Events |
- User states a desire to logout.
- The System confirms the User's intent to logout
- The User's interaction with the System is downgraded
to Guest
|
| Alternative Paths |
|
| Exception Paths |
- If the User denies an intent to log out at step 2,
the System will return the User to their previous login
state.
|
| Extension Points |
|
| Trigger |
- A User triggers this case when they wish to
downgrade their level of participation within the System
so they may end recognition of their current login
state.
|
| Assumptions |
|
| Preconditions |
- The User will be logged in as a Citizen.
|
| Postconditions |
- The User will be logged in as a Guest if no
cancellation occurs.
|
| Related Environment Rules |
|
| Author |
Jel, adiffer
|
| Date |
2002/03/26 - Facade
2002/03/26 - Filled
|
