protected function getFlags()
    {
        return array(
            ExtractorInterface::FLAG_DEPLOYED,
            ExtractorInterface::FLAG_DEPLOYING,
            ExtractorInterface::FLAG_DODEPLOY,
            ExtractorInterface::FLAG_FAILED,
            ExtractorInterface::FLAG_UNDEPLOYED,
            ExtractorInterface::FLAG_UNDEPLOYING
        );
    }