/**
* Set the document level options of the parent class to the subclass.
*
* @param ClassMetadata $subClass
* @param ClassMetadata $parentClass
*/
private function addInheritedDocumentOptions(ClassMetadata $subClass, ClassMetadata $parentClass)
{
$subClass->setCustomRepositoryClassName($parentClass->customRepositoryClassName);
$subClass->setTranslator($parentClass->translator);
$subClass->setVersioned($parentClass->versionable);
$subClass->setReferenceable($parentClass->referenceable);
$subClass->setNodeType($parentClass->getNodeType());
$subClass->setMixins($parentClass->getMixins());
}