// Copyright 2008-present Facebook. All Rights Reserved. #ifndef STORAGE_LEVELDB_DB_LOG_FILE_H_ #define STORAGE_LEVELDB_DB_LOG_FILE_H_ namespace leveldb { enum WalFileType { kArchivedLogFile = 0, kAliveLogFile = 1 } ; class LogFile { public: uint64_t logNumber; WalFileType type; LogFile(uint64_t logNum,WalFileType logType) : logNumber(logNum), type(logType) {} LogFile(const LogFile& that) { logNumber = that.logNumber; type = that.type; } bool operator < (const LogFile& that) const { return logNumber < that.logNumber; } std::string ToString() const { char response[100]; const char* typeOfLog; if (type == kAliveLogFile) { typeOfLog = "Alive Log"; } else { typeOfLog = "Archived Log"; } sprintf(response, "LogNumber : %ld LogType : %s", logNumber, typeOfLog); return std::string(response); } }; } // namespace leveldb #endif // STORAGE_LEVELDB_DB_LOG_FILE_H_