public interface SystemEventListenerHolder
Classes that implement this interface
agree to maintain a list of
for each kind of
SystemEvent they can generate. This
interface enables arbitrary Objects to act as the source for
If the implementing class is a
UIComponent or is referenced by a
UIComponent, care must be taken to ensure that the
implementing class, and all the members of the list returned by
getListenersForEventClass(java.lang.Class<? extends javax.faces.event.SystemEvent>) work correctly with the state
management system. One way to ensure this is to have the class and
the list members implement
List<SystemEventListener> getListenersForEventClass(Class<? extends SystemEvent> facesEventClass)
instances that have been installed into the class implementing
facesEventClass- the class for which listeners are to be returned
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