This component manages the event handling mechanism in the portal.
The event mechanism is based on the publisher/subscriber principle.
An interested component (a
org.apache.cocoon.portal.event.Receiver can subscribe itself for a specific class (or classes) of events.
All Events have a common ancestor type
Event and the event types are
identified by a (sub)class
The old design which is now deprecated has been inspired by the paper by
Gupta, S., J.