getCheck example

return $this;
    }

    /** * Returns the checksum option * * @return boolean */
    public function getChecksum()
    {
        return $this->getAdapter()->getCheck();
    }

    /** * Sets the checksum option * * @param boolean $checksum * @return Zend_Validate_Barcode */
    public function setChecksum($checksum)
    {
        $this->getAdapter()->setCheck($checksum);