public function generateFileName($sub_type, $version = null) { if ($sub_type != self::FILE_SYNC_ASSET_SUB_TYPE_LIVE_PRIMARY && $sub_type != self::FILE_SYNC_ASSET_SUB_TYPE_LIVE_SECONDARY) { return parent::generateFileName($sub_type, $version); } return $this->getEntryId() . "_" . $this->getId() . "_{$sub_type}_{$version}"; }