PriceDiscount example

$group->setDiscounts($discounts);

        return $group;
    }

    /** * @return PriceDiscount */
    public function hydratePriceDiscount(array $data)
    {
        $discount = new PriceDiscount();
        $discount->setId((int) $data['__priceGroupDiscount_id']);
        $discount->setPercent((float) $data['__priceGroupDiscount_discount']);
        $discount->setQuantity((int) $data['__priceGroupDiscount_discountstart']);

        return $discount;
    }
}