protected function computeQuantity()
    {
        $n = 0;

        foreach ($this->container->getDataboxes() as $databox) {
            $n += $databox->get_record_amount();
        }

        return $n;
    }
protected function computeQuantity()
    {
        $n = 0;

        foreach ($this->container->getDataboxes() as $databox) {
            $n += $databox->get_record_amount();
        }

        return $n;
    }
protected function computeQuantity ( ) { $ n = 0 ; foreach ( $ this -> container -> getDataboxes ( ) as $ databox ) { $ n += $ databox -> get_record_amount ( ) ; } return $ n ; }
Return the total quantity of records to process

@return integer
Return the total quantity of records to process