Pimcore\Model\Object\ClassDefinition\Data\Nonownerobjects::getOwnerClassId PHP Method

    public function getOwnerClassId()
    {
        if (empty($this->ownerClassId)) {
            try {
                $class = Object\ClassDefinition::getByName($this->ownerClassName);
                $this->ownerClassId = $class->getId();
            } catch (\Exception $e) {
                Logger::error($e->getMessage());
            }
        }
        return $this->ownerClassId;
    }