Eccube\Entity\OrderDetail::setClassName2 PHP Méthode

    public function setClassName2($className2)
    {
        $this->class_name2 = $className2;
        return $this;
    }

 /**
  * 受注明細情報を作成
  *
  * @param Product $Product
  * @param ProductClass $ProductClass
  * @param $quantity
  * @return \Eccube\Entity\OrderDetail
  */
 public function getNewOrderDetail(Product $Product, ProductClass $ProductClass, $quantity)
 {
     $OrderDetail = new OrderDetail();
     $TaxRule = $this->app['eccube.repository.tax_rule']->getByRule($Product, $ProductClass);
     $OrderDetail->setProduct($Product)->setProductClass($ProductClass)->setProductName($Product->getName())->setProductCode($ProductClass->getCode())->setPrice($ProductClass->getPrice02())->setQuantity($quantity)->setTaxRule($TaxRule->getCalcRule()->getId())->setTaxRate($TaxRule->getTaxRate());
     $ClassCategory1 = $ProductClass->getClassCategory1();
     if (!is_null($ClassCategory1)) {
         $OrderDetail->setClasscategoryName1($ClassCategory1->getName());
         $OrderDetail->setClassName1($ClassCategory1->getClassName()->getName());
     }
     $ClassCategory2 = $ProductClass->getClassCategory2();
     if (!is_null($ClassCategory2)) {
         $OrderDetail->setClasscategoryName2($ClassCategory2->getName());
         $OrderDetail->setClassName2($ClassCategory2->getClassName()->getName());
     }
     $this->em->persist($OrderDetail);
     return $OrderDetail;
 }