Shipment/Calculator/ShipmentCalculator.php
private function hasStockableSubject(Common\SaleItemInterface $saleItem)
    {
        if (!$saleItem instanceof Stock\StockAssignmentsInterface) {
            return false;
        }

        if (null === $subject = $this->subjectHelper->resolve($saleItem)) {
            return false;
        }

        if (!$subject instanceof Stock\StockSubjectInterface) {
            return false;
        }

        if ($subject->isStockCompound()) {
            return false;
        }

        if ($subject->getStockMode() === Stock\StockSubjectModes::MODE_DISABLED) {
            return false;
        }

        return true;
    }
private function hasStockableSubject(Common\SaleItemInterface $saleItem)
    {
        if (!$saleItem instanceof Stock\StockAssignmentsInterface) {
            return false;
        }

        if (null === $subject = $this->subjectHelper->resolve($saleItem)) {
            return false;
        }

        if (!$subject instanceof Stock\StockSubjectInterface) {
            return false;
        }

        if ($subject->isStockCompound()) {
            return false;
        }

        if ($subject->getStockMode() === Stock\StockSubjectModes::MODE_DISABLED) {
            return false;
        }

        return true;
    }
private function hasStockableSubject ( Common \ SaleItemInterface $ saleItem ) { if ( ! $ saleItem instanceof Stock \ StockAssignmentsInterface ) { return false ; } if ( null === $ subject = $ this -> subjectHelper -> resolve ( $ saleItem ) ) { return false ; } if ( ! $ subject instanceof Stock \ StockSubjectInterface ) { return false ; } if ( $ subject -> isStockCompound ( ) ) { return false ; } if ( $ subject -> getStockMode ( ) === Stock \ StockSubjectModes :: MODE_DISABLED ) { return false ; } return true ; }
Returns whether or not the sale item has a stockable subject.

@param Common\SaleItemInterface $saleItem

@return bool
Returns whether or not the sale item has a stockable subject .