OF-586: Deliver event notifications once to each unique subscriber JID when...

OF-586: Deliver event notifications once to each unique subscriber JID when multiple subscription support is disabled

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@13345 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/pubsub/NodeAffiliate.java

@@ -222,11 +222,16 @@ public class NodeAffiliate {
             }
         }
         else {
-            // Affiliate should have at most one subscription so send the notification to
-            // the subscriber
+            // Affiliate should have at most one subscription per unique JID
             if (!notifySubscriptions.isEmpty()) {
-                NodeSubscription subscription = notifySubscriptions.get(0);
+            	List<JID> subs = new ArrayList<JID>();
+            	for(NodeSubscription subscription: notifySubscriptions) {
+            		JID sub = subscription.getJID();
+            		if (!subs.contains(sub)) {
             			node.sendEventNotification(subscription.getJID(), notification, null);
+            			subs.add(sub);
+            		}
+            	}
             }
         }
     }