diff options
Diffstat (limited to 'src/Erebos/Storage/Internal.hs')
| -rw-r--r-- | src/Erebos/Storage/Internal.hs | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/src/Erebos/Storage/Internal.hs b/src/Erebos/Storage/Internal.hs index 73bdc55..db211bb 100644 --- a/src/Erebos/Storage/Internal.hs +++ b/src/Erebos/Storage/Internal.hs @@ -1,4 +1,27 @@ -module Erebos.Storage.Internal where +module Erebos.Storage.Internal ( + Storage'(..), Storage, PartialStorage, + Ref'(..), Ref, PartialRef, + RefDigest(..), + WatchID, startWatchID, nextWatchID, + WatchList(..), WatchListItem(..), watchListAdd, watchListDel, + + refStorage, + refDigest, refDigestFromByteString, + showRef, showRefDigest, showRefDigestParts, + readRefDigest, + hashToRefDigest, + + StorageCompleteness(..), + StorageBackend(..), + Complete, Partial, + + unsafeStoreRawBytes, + ioLoadBytesFromStorage, + + Generation(..), + HeadID(..), HeadTypeID(..), + Stored(..), storedStorage, +) where import Control.Arrow import Control.Concurrent @@ -14,6 +37,7 @@ import Data.ByteArray qualified as BA import Data.ByteString (ByteString) import Data.ByteString.Char8 qualified as BC import Data.ByteString.Lazy qualified as BL +import Data.Function import Data.HashTable.IO qualified as HT import Data.Hashable import Data.Kind @@ -216,17 +240,20 @@ newtype HeadID = HeadID UUID newtype HeadTypeID = HeadTypeID UUID deriving (Eq, Ord) -data Stored' c a = Stored (Ref' c) a +data Stored a = Stored + { storedRef' :: Ref + , storedObject' :: a + } deriving (Show) -instance Eq (Stored' c a) where - Stored r1 _ == Stored r2 _ = refDigest r1 == refDigest r2 +instance Eq (Stored a) where + (==) = (==) `on` (refDigest . storedRef') -instance Ord (Stored' c a) where - compare (Stored r1 _) (Stored r2 _) = compare (refDigest r1) (refDigest r2) +instance Ord (Stored a) where + compare = compare `on` (refDigest . storedRef') -storedStorage :: Stored' c a -> Storage' c -storedStorage (Stored (Ref st _) _) = st +storedStorage :: Stored a -> Storage +storedStorage = refStorage . storedRef' type Complete = Identity |