{-# LANGUAGE DeriveGeneric             #-}
{-# LANGUAGE DeriveDataTypeable        #-}
{-# LANGUAGE ExistentialQuantification #-}
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-- |
-- Module : Database.EventStore.Internal.Communication
-- Copyright : (C) 2017 Yorick Laupa
-- License : (see the file LICENSE)
--
-- Maintainer : Yorick Laupa <yo.eight@gmail.com>
-- Stability : provisional
-- Portability : non-portable
--
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module Database.EventStore.Internal.Communication where

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import Data.Typeable

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import Database.EventStore.Internal.Operation (Mailbox, Lifetime)
import Database.EventStore.Internal.Prelude
import Database.EventStore.Internal.Types

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data SystemInit = SystemInit deriving Typeable

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data SystemShutdown = SystemShutdown deriving Typeable

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data Service
  = ConnectionManager
  | TimerService
  deriving (Show, Eq, Enum, Bounded, Typeable, Generic)

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instance Hashable Service

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data Initialized = Initialized Service deriving Typeable

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data InitFailed = InitFailed Service deriving Typeable

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data FatalException
  = forall e. Exception e => FatalException e
  | FatalCondition Text
  deriving Typeable

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data ServiceTerminated = ServiceTerminated Service deriving Typeable

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data NewTimer =
  forall e. Typeable e => NewTimer e Duration Bool
  deriving Typeable

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newtype SendPackage = SendPackage Package deriving Typeable

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data Transmit = Transmit Mailbox Lifetime Package deriving Typeable
