/**
* Deletes an element list in database
* @param string $elementClass The element class to delete
* @param string $conditions The delete request conditions
* @return int The affected rows number
*/
public static function deleteElementList($elementClass, $conditions)
{
$logInstance = LogTool::getInstance();
$logInstance->logDebug('Deletes ' . $elementClass . ' element list');
// Deletes element in database
return DatabaseFactory::deleteElementList($elementClass, $conditions);
}