Data.CQRS.Internal.Repository

Documentation

data Repository a e

Repository consisting of an event store and an event bus.

Constructors

Repository

Fields

repositoryAggregateAction :: AggregateAction a e

repositoryEventStore :: EventStore e

repositorySnapshotStore :: SnapshotStore a

repositoryPublishEvents :: (UUID, [PersistedEvent e]) -> IO ()

repositoryUUIDSupply :: IO UUID

repositorySettings :: Settings

data Settings

Repository settings

Constructors

Settings

Fields

settingsSnapshotFrequency :: Maybe Int

setSnapshotFrequency :: Int -> Settings -> Settings

Set the snapshot frequency. 0 or negative means that no snapshots will be written. Any existing snapshots will still be used.

defaultSettings :: Settings

Default repository settings:

• There are no snapshot by default

newRepository :: (Show e, NFData e) => Settings -> AggregateAction a e -> EventStore e -> SnapshotStore a -> ((UUID, [PersistedEvent e]) -> IO r) -> IO UUID -> Repository a e

Create a repository from a pool of event store backends.