protected function getPropertyValue($property)
    {
        $getter = sprintf('get%s', $property);
        if (!method_exists($this->object, $getter)) {
            throw new NostoException(
                sprintf(
                    'Class %s does not have getter for property %s',
                    get_class($this->object),
                    $property
                )
            );
        }

        return $this->object->$getter();
    }