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package bboss.org.jgroups.util;
import java.util.concurrent.Future;
/**
* A sub-interface of a Future, that allows for listeners to be attached so that observers can be notified when the
* future completes.
*
* See {@link FutureListener} for more details.
*
*
* @author Manik Surtani
* @since 2.9
*/
public interface NotifyingFuture extends Future {
/**
* Attaches a listener and returns the same future instance, to allow for 'building' futures.
*
* @param listener listener to attach
* @return the same future instance
*/
NotifyingFuture setListener(FutureListener listener);
}