+
+ DataChanged reply = (DataChanged) message;
+ AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change = reply.getChange();
+
+ LOG.debug("Sending change notification {} to listener {}", change, listener);
+
+ this.listener.onDataChanged(change);
+
+ // It seems the sender is never null but it doesn't hurt to check. If the caller passes in
+ // a null sender (ActorRef.noSender()), akka translates that to the deadLetters actor.
+ if(getSender() != null && !getContext().system().deadLetters().equals(getSender())) {
+ getSender().tell(new DataChangedReply(), getSelf());
+ }
+ }
+
+ public static Props props(final AsyncDataChangeListener<YangInstanceIdentifier,
+ NormalizedNode<?, ?>> listener) {
+ return Props.create(new DataChangeListenerCreator(listener));