Additional TODO.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@2748 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/group/GroupManager.java

@@ -192,6 +192,7 @@ public class GroupManager {
      * @return all groups that a user belongs to.
      */
     public Collection<Group> getGroups(User user) {
+        // TODO: add caching
         return provider.getGroups(user);
     }
 }
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