PriceRule example

 {
        $this->unitHydrator = $unitHydrator;
        $this->attributeHydrator = $attributeHydrator;
        $this->productHydrator = $productHydrator;
    }

    /** * @return PriceRule */
    public function hydratePriceRule(array $data)
    {
        $price = new PriceRule();

        $price->setId((int) $data['__price_id']);
        $price->setFrom((int) $data['__price_from']);
        $price->setPrice((float) $data['__price_price']);
        $price->setPseudoPrice((float) $data['__price_pseudoprice']);
        $price->setRegulationPrice((float) $data['__price_regulation_price']);

        if (strtolower($data['__price_to']) === 'beliebig') {
            $price->setTo(null);
        } else {
            $price->setTo((int) $data['__price_to']);
        }