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/* --------------------------------------------------------------
OrderParcelTrackingCode.inc.php 2018-01-11
Gambio GmbH
http://www.gambio.de
Copyright (c) 2018 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
/**
* Class OrderParcelTrackingCode
*/
class OrderParcelTrackingCode
{
/**
* @var string
*/
protected $code;
/**
* TrackingCode constructor.
* Private to enforce usage of named constructor.
*
* @param string $trackingCode Parcel tracking code of orders.
*/
protected function __construct($trackingCode)
{
new NonEmptyStringType($trackingCode);
$this->code = $trackingCode;
}
/**
* Named constructor of parcel tracking code.
*
* @param string $trackingCode Parcel tracking code of orders.
*
* @return OrderParcelTrackingCode New instance.
*/
public static function create($trackingCode)
{
return new static($trackingCode);
}
/**
* Returns the order's parcel tracking code.
*
* @return string Parcel tracking code of orders.
*/
public function is()
{
return $this->code;
}
}