Prado\Data\SqlMap\Configuration\TResultMap::resolveSubMap PHP Метод

    public function resolveSubMap($registry, $row)
    {
        $subMap = $this;
        if (($disc = $this->getDiscriminator()) !== null) {
            $value = $disc->getMapping()->getPropertyValue($registry, $row);
            $subMap = $disc->getSubMap((string) $value);
            if ($subMap === null) {
                $subMap = $this;
            } else {
                if ($subMap !== $this) {
                    $subMap = $subMap->resolveSubMap($registry, $row);
                }
            }
        }
        return $subMap;
    }