hiqdev / hipanel-module-finance

        return $this;

    }

    protected function calculator()

    {

        if (!isset($this->_calculator)) {

            $this->_calculator = Yii::createObject(ServerTariffCalculatorInterface::class, [[$this->tariff]]);

        }

        return $this->_calculator;

    }

    protected function parentCalculator()

    {

        return $this->_calculator;

    }

    protected function parentCalculator()

    {

        if (!isset($this->_parentCalculator)) {

            $this->_parentCalculator = Yii::createObject(ServerTariffCalculatorInterface::class, [[$this->parentTariff]]);

        }

        return $this->_parentCalculator;

    }

}