$Date: 2005/10/23 10:04:13 $
$Revision: 1.12 $
-- Create a new event processor.
-- Subscribe a_procedure to an_event.
-- Subscribe a_procedure to an event with an_event_type_id.
-- Unsubscribe a_procedure from an_event.
-- Unsubscribe a_procedure from an event with an_event_type_id.
-- Publish an_event to the event queue.
Event subscription pattern for object types.
An event processor let clients subscribe to events.
If an event occurs later, all subscribed clients will be notified.