Sylius\Bundle\ProductBundle\Validator\UniqueSimpleProductCodeValidator::validate PHP Method

    public function validate($value, Constraint $constraint)
    {
        if (!$value instanceof ProductInterface) {
            throw new UnexpectedTypeException($value, ProductInterface::class);
        }
        if (!$value->isSimple()) {
            return;
        }
        if (null !== $this->productVariantRepository->findOneBy(['code' => $value->getCode()])) {
            $this->context->buildViolation($constraint->message)->atPath('code')->addViolation();
        }
    }