Doctrine\ODM\MongoDB\Tools\DocumentGenerator::generateDefaultDiscriminatorValueAnnotation PHP Метод

    private function generateDefaultDiscriminatorValueAnnotation(ClassMetadataInfo $metadata)
    {
        if ($metadata->inheritanceType === ClassMetadataInfo::INHERITANCE_TYPE_SINGLE_COLLECTION && isset($metadata->defaultDiscriminatorValue)) {
            return '@ODM\\DefaultDiscriminatorValue("' . $metadata->defaultDiscriminatorValue . '")';
        }
    }