ProjectM36.TransactionGraph.Persist

Documentation

type LockFileHash = ByteString

expectedVersion :: Int

transactionLogFileName :: FilePath

transactionLogPath :: FilePath -> FilePath

headsPath :: FilePath -> FilePath

lockFilePath :: FilePath -> FilePath

checkForOtherVersions :: FilePath -> IO (Either PersistenceError ())

setupDatabaseDir :: DiskSync -> FilePath -> TransactionGraph -> IO (Either PersistenceError (LockFile, LockFileHash))

bootstrapDatabaseDir :: DiskSync -> FilePath -> TransactionGraph -> IO (LockFile, LockFileHash)

transactionGraphPersist :: DiskSync -> FilePath -> [TransactionId] -> TransactionGraph -> IO LockFileHash

transactionsPersist :: DiskSync -> [TransactionId] -> FilePath -> TransactionGraph -> IO ()

The incremental writer writes the transactions ids specified by the second argument.

transactionGraphHeadsPersist :: DiskSync -> FilePath -> TransactionGraph -> IO ()

transactionGraphHeadsLoad :: FilePath -> IO [(HeadName, TransactionId)]

transactionGraphLoad :: FilePath -> TransactionGraph -> Maybe ScriptSession -> IO (Either PersistenceError TransactionGraph)

readTransactionIfNecessary :: FilePath -> TransactionId -> Maybe ScriptSession -> TransactionGraph -> IO (Either PersistenceError TransactionGraph)

writeGraphTransactionIdFile :: DiskSync -> FilePath -> TransactionGraph -> IO LockFileHash

readGraphTransactionIdFileDigest :: FilePath -> IO LockFileHash

readGraphTransactionIdFile :: FilePath -> IO (Either PersistenceError [(TransactionId, UTCTime, [TransactionId])])