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Package org.apache.lens.server.api.events

Interface Summary

LensEventListener<T extends LensEvent>	The handler method should not block so that the event service can proceed to notifying other listeners as soon as possible.
LensEventService	Singleton which is responsible for managing the event-listener mapping as well as processing events.

Class Summary

AsyncEventListener<T extends LensEvent>	Event listeners should implement this class if they wish to process events asynchronously.
LensEvent	Instantiates a new lens event.