function postStore($objectAttribute)
 {
     // Update url-object link
     $urlValue = $objectAttribute->content();
     if (trim($urlValue) != '') {
         $urlID = eZURL::registerURL($urlValue);
         $objectAttributeID = $objectAttribute->attribute('id');
         $objectAttributeVersion = $objectAttribute->attribute('version');
         $db = eZDB::instance();
         $db->begin();
         $objectLinkList = eZURLObjectLink::fetchLinkObjectList($objectAttributeID, $objectAttributeVersion);
         // In order not to have duplicated links, delete existing ones that have been created during the version creation process
         // and create a clean one (we can't update url_id since there's no primary key). This fixes EZP-20988
         if (!empty($objectLinkList)) {
             eZURLObjectLink::removeURLlinkList($objectAttributeID, $objectAttributeVersion);
         }
         $linkObjectLink = eZURLObjectLink::create($urlID, $objectAttributeID, $objectAttributeVersion);
         $linkObjectLink->store();
         $db->commit();
     }
 }