abstractpublic class DeviceBasePO extends BasePO(Code)
This is the parent Presentaion object. All presentation objects
should extend this class.
The run method looks for an event parameter and then calls
handle. If the "event" Parameter is not defined then
the handleDefault() method is called in your child class.
This logs out a user from the session. it first grabs
an instance of the sessionData associated with the request
and then sets the user to null in the session data.
Parameters: HttpServletRequest - request - this is the request thatthe session data is extracted from. exception: AirSentPresentationException - when an error occurs or ifthe session data for the request is null.