We love to revamp! Created a set of listener interfaces which are used

with distributed objects rather than having a single handleEvent() by
which all subscribers are forced to hear about all events. Now one
subscribes separately and then adds onesself as any of a few types of
listener once they have access to the subscribed object reference.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@439 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/dobj/DEvent.java

@@ -1,5 +1,5 @@
 //
-// $Id: DEvent.java,v 1.6 2001/10/11 04:07:52 mdb Exp $
+// $Id: DEvent.java,v 1.7 2001/10/12 00:03:03 mdb Exp $
 
 package com.threerings.presents.dobj;
 
@@ -63,6 +63,18 @@ public abstract class DEvent
         _toid = targetOid;
     }
 
+    /**
+     * Events with associated listener interfaces should implement this
+     * function and notify the supplied listener if it implements their
+     * event listening interface. For example, the {@link
+     * AttributeChangedEvent} will notify listeners that implement
+     * {@AttributeChangeListener}.
+     */
+    protected void notifyListener (Object listener)
+    {
+        // the default is to do nothing
+    }
+
     /**
      * Constructs and returns a string representation of this event.
      */