protected function _getAttributeItems( $ids )
	{
		$manager = $this->getSubManager( 'attribute' );
		$search = $manager->createSearch();
		$search->setConditions( $search->compare( '==', 'order.base.service.attribute.serviceid', $ids ) );
		$search->setSortations( array( $search->sort( '+', 'order.base.service.attribute.code' ) ) );
		$search->setSlice( 0, 0x7fffffff );

		$result = array();
		foreach ($manager->searchItems( $search ) as $item) {
			$result[ $item->getServiceId() ][ $item->getId() ] = $item;
		}

		return $result;
	}