Mealstrom.WALStore

Description

A WALStore is anything being able to store WALEntries. WALEntries indicate how often a recovery process has been started for an instance.

Documentation

class WALStore st k where Source #

Minimal complete definition

Methods

Instances

FSMKey k => WALStore PostgresJSONStore k Source #
Methods walUpsertIncrement :: PostgresJSONStore -> k -> IO () Source # walDecrement :: PostgresJSONStore -> k -> IO () Source # walScan :: PostgresJSONStore -> Int -> IO [WALEntry k] Source #
WALStore (MemoryStore k s e a) k Source #
Methods walUpsertIncrement :: MemoryStore k s e a -> k -> IO () Source # walDecrement :: MemoryStore k s e a -> k -> IO () Source # walScan :: MemoryStore k s e a -> Int -> IO [WALEntry k] Source #

Constructors

WALEntry
Fields walId :: k walTime :: UTCTime walCount :: Int

Instances

Eq k => Eq (WALEntry k) Source #
Methods (==) :: WALEntry k -> WALEntry k -> Bool # (/=) :: WALEntry k -> WALEntry k -> Bool #
Show k => Show (WALEntry k) Source #
Methods showsPrec :: Int -> WALEntry k -> ShowS # show :: WALEntry k -> String # showList :: [WALEntry k] -> ShowS #
type Rep (WALEntry k) Source #
type Rep (WALEntry k) = D1 (MetaData "WALEntry" "Mealstrom.WALStore" "mealstrom-0.0.0.1-KyQkyZ1pogZ8aiEUm4n6QB" False) (C1 (MetaCons "WALEntry" PrefixI True) ((::) (S1 (MetaSel (Just Symbol "walId") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 k)) ((::) (S1 (MetaSel (Just Symbol "walTime") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 UTCTime)) (S1 (MetaSel (Just Symbol "walCount") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Int)))))

openTxn :: WALStore st k => st -> k -> IO () Source #

closeTxn :: WALStore st k => st -> k -> IO () Source #