Safe Haskell	Safe-Inferred
Language	Haskell2010

Marconi.Core.Indexer.LastPointIndexer

Description

On-disk indexer backed by a sqlite database.

See Marconi.Core for documentation.

Synopsis

data LastPointIndexer event
lastPointIndexer :: HasGenesis (Point event) => LastPointIndexer event

Documentation

data LastPointIndexer event #

LastPointIndexer. An indexer that does nothing except keeping track of the last point. While it may sound useless, it can be usefull when you want to benefit of the capabilities of a transformer.

Instances

Instances details

(HasGenesis (Point event), Monad m) => IsIndex m event LastPointIndexer #
Instance details Defined in Marconi.Core.Indexer.LastPointIndexer Methods index :: Timed (Point event) (Maybe event) -> LastPointIndexer event -> m (LastPointIndexer event) # indexAll :: (Eq (Point event), Traversable f) => f (Timed (Point event) (Maybe event)) -> LastPointIndexer event -> m (LastPointIndexer event) # indexAllDescending :: (Eq (Point event), Traversable f) => f (Timed (Point event) (Maybe event)) -> LastPointIndexer event -> m (LastPointIndexer event) # rollback :: Point event -> LastPointIndexer event -> m (LastPointIndexer event) # setLastStablePoint :: Point event -> LastPointIndexer event -> m (LastPointIndexer event) #
Applicative m => IsSync m event LastPointIndexer #
Instance details Defined in Marconi.Core.Indexer.LastPointIndexer Methods lastStablePoint :: LastPointIndexer event -> m (Point event) # lastSyncPoint :: LastPointIndexer event -> m (Point event) #
(Show event, Show (Point event)) => Show (LastPointIndexer event) #
Instance details Defined in Marconi.Core.Indexer.LastPointIndexer Methods showsPrec :: Int -> LastPointIndexer event -> ShowS Source # show :: LastPointIndexer event -> String Source # showList :: [LastPointIndexer event] -> ShowS Source #

lastPointIndexer :: HasGenesis (Point event) => LastPointIndexer event #

A smart constructor for LastPointIndexer