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package javax.faces.event;
import java.util.List;
/**
* Classes that implement this interface
* agree to maintain a list of {@link SystemEventListener} instances
* for each kind of {@link SystemEvent} they can generate. This
* interface enables arbitrary Objects to act as the source for {@link
* SystemEvent} instances.
*
* If the implementing class is a {@link
* javax.faces.component.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
* {@link #getListenersForEventClass} work correctly with the state
* management system. One way to ensure this is to have the class and
* the list members implement {@link javax.faces.component.StateHolder}
* or {@link java.io.Serializable}.
*
* @since 2.0
*/
public interface SystemEventListenerHolder {
/**
*
* Return a List
of {@link SystemEventListener}
* instances that have been installed into the class implementing
* this interface.
*
*/
public List getListenersForEventClass(Class facesEventClass);
}