protected function assembleSimpleResult($act, $rc, array $items, $ctx) {
		$assembler = $act->getResultAssembler();
		if( $assembler === null ) {
			throw new Exception("No result assembler specified by ".get_class($act));
		}
		
		return $assembler->assembleResult(
			new EarthIT_CMIPREST_StorageResult($rc, array('root'=>array()), array('root'=>$items)),
			$act, $ctx );
	}