happstack-state-0.2.1: Event-based distributed state. Source code Contents Index

Happstack.State.Saver

Documentation

data ReaderStream a Source

Constructors ReaderStream readerClose :: IO () readerGet :: IO ([a], Int) readerGetUncut :: IO [a]

data WriterStream a Source

Constructors WriterStream writerClose :: IO () writerAdd :: a -> IO () -> IO () writerAtomicReplace :: a -> IO () writerCut :: IO Int

data Saver Source

Constructors NullSaver A saver that discards all output FileSaver String A saver that operates on files. The parameter is the prefix for the files. Creates the prefix directory. Queue Saver Enable queueing. Memory (MVar Store)

createReader :: Serialize a => Saver -> String -> Int -> IO (ReaderStream a) Source

createWriter :: Serialize a => Saver -> String -> Int -> IO (WriterStream a) Source

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