op.execute( nexus, store );
op.execute( nexus, store, attrRegistry );
    public void modifyRn( NextInterceptor next, LdapDN oldName, String newRDN, boolean deleteOldRDN )        throws NamingException    {        Operation op = operationFactory.newModifyRn( oldName, newRDN, deleteOldRDN );        op.execute( nexus, store );    }