Bridge/Symfony/Validator/Constraints/SaleValidator.php
protected function validateDeliveryAddress(SaleInterface $sale, Constraint $constraint)
    {
        /** @var Sale $constraint */
        if (!$sale->isSameAddress() && null === $sale->getDeliveryAddress()) {
            $this->context
                ->buildViolation($constraint->delivery_address_is_required)
                ->atPath('deliveryAddress')
                ->addViolation();

        } elseif ($sale->isSameAddress() && null !== $sale->getDeliveryAddress()) {
            $this->context
                ->buildViolation($constraint->delivery_address_should_be_null)
                ->atPath('deliveryAddress')
                ->addViolation();
        }
    }
protected function validateDeliveryAddress(SaleInterface $sale, Constraint $constraint)
    {
        /** @var Sale $constraint */
        if (!$sale->isSameAddress() && null === $sale->getDeliveryAddress()) {
            $this->context
                ->buildViolation($constraint->delivery_address_is_required)
                ->atPath('deliveryAddress')
                ->addViolation();

        } elseif ($sale->isSameAddress() && null !== $sale->getDeliveryAddress()) {
            $this->context
                ->buildViolation($constraint->delivery_address_should_be_null)
                ->atPath('deliveryAddress')
                ->addViolation();
        }
    }
Validates the delivery address.

@param SaleInterface $sale
@param Constraint    $constraint