ShipmentCollection::disallowDelivery

public function disallowDelivery()
{
	$result = new Result();

	$collection = $this->getNotSystemItems();

	/** @var Shipment $shipment */
	foreach ($collection as $shipment)
	{
		$r = $shipment->disallowDelivery();
		if (!$r->isSuccess())
		{
			$result->addErrors($r->getErrors());
		}
	}

	return $result;
}