ALife.Creatur.Database.FileSystem

Description

A ridiculously simple database that stores each record in a separate file. The name of the file is the record's key.

Synopsis

Documentation

A simple database where each record is stored in a separate file, and the name of the file is the record's key.

Instances details

Eq (FSDatabase r) Source #
Instance details Defined in ALife.Creatur.Database.FileSystem Methods (==) :: FSDatabase r -> FSDatabase r -> Bool # (/=) :: FSDatabase r -> FSDatabase r -> Bool #
Show (FSDatabase r) Source #
Instance details Defined in ALife.Creatur.Database.FileSystem Methods showsPrec :: Int -> FSDatabase r -> ShowS # show :: FSDatabase r -> String # showList :: [FSDatabase r] -> ShowS #
Database (FSDatabase r) Source #
Instance details Defined in ALife.Creatur.Database.FileSystem Associated Types type DBRecord (FSDatabase r) Source # Methods keys :: StateT (FSDatabase r) IO [String] Source # numRecords :: StateT (FSDatabase r) IO Int Source # archivedKeys :: StateT (FSDatabase r) IO [String] Source # lookup :: String -> StateT (FSDatabase r) IO (Either String (DBRecord (FSDatabase r))) Source # lookupInArchive :: String -> StateT (FSDatabase r) IO (Either String (DBRecord (FSDatabase r))) Source # readAll :: StateT (FSDatabase r) IO [Either String (DBRecord (FSDatabase r))] Source # readAllInArchive :: StateT (FSDatabase r) IO [Either String (DBRecord (FSDatabase r))] Source # store :: DBRecord (FSDatabase r) -> StateT (FSDatabase r) IO () Source # delete :: String -> StateT (FSDatabase r) IO () Source #
type DBRecord (FSDatabase r) Source #
Instance details Defined in ALife.Creatur.Database.FileSystem type DBRecord (FSDatabase r) = r

mkFSDatabase d (re)creates the FSDatabase in the directory d.