nim-datastore/datastore/threads/threadresult.nim
Jaremy Creechley b224c1ce3e
cleanup
2023-09-21 00:04:05 -07:00

39 lines
1.2 KiB
Nim

import std/atomics
import std/options
import pkg/questionable/results
import pkg/results
import ../types
import ../query
import ../key
import ../backend
import ./databuffer
type
ErrorEnum* {.pure.} = enum
DatastoreErr,
DatastoreKeyNotFoundErr,
QueryEndedErr,
CatchableErr
ThreadTypes* = void | bool | SomeInteger | DataBuffer | tuple | Atomic
ThreadResErr* = (ErrorEnum, DataBuffer)
ThreadResult*[T: ThreadTypes] = Result[T, ThreadResErr]
converter toThreadErr*(e: ref CatchableError): ThreadResErr {.inline, raises: [].} =
if e of DatastoreKeyNotFound: (ErrorEnum.DatastoreKeyNotFoundErr, DataBuffer.new(e.msg))
elif e of QueryEndedError: (ErrorEnum.QueryEndedErr, DataBuffer.new(e.msg))
elif e of DatastoreError: (DatastoreErr, DataBuffer.new(e.msg))
elif e of CatchableError: (CatchableErr, DataBuffer.new(e.msg))
else: raise (ref Defect)(msg: e.msg)
converter toExc*(e: ThreadResErr): ref CatchableError =
case e[0]:
of ErrorEnum.DatastoreKeyNotFoundErr: (ref DatastoreKeyNotFound)(msg: $e[1])
of ErrorEnum.QueryEndedErr: (ref QueryEndedError)(msg: $e[1])
of ErrorEnum.DatastoreErr: (ref DatastoreError)(msg: $e[1])
of ErrorEnum.CatchableErr: (ref CatchableError)(msg: $e[1])