listeners.add( namingListener );
    public void addNamingListener( Name name, int scope, NamingListener namingListener ) throws NamingException    {        ExprNode filter = new PresenceNode( "objectClass" );        SearchControls controls = new SearchControls();        controls.setSearchScope( scope );        ( ( ContextPartitionNexusProxy ) this.nexusProxy )                .addNamingListener( this, buildTarget( name ), filter, controls, namingListener );    }