protected function clearCacheNotEmptyValue($sField, $obListStore)
    {
        if (empty($sField) || empty($obListStore) || empty($this->obElement->$sField)) {
            return;
        }

        if ($obListStore instanceof AbstractStoreWithoutParam) {
            $obListStore->clear();
        } elseif ($obListStore instanceof AbstractStoreWithParam) {
            $obListStore->clear($this->obElement->$sField);
        }
    }