{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.Glue.Types.Schedule
-- Copyright   : (c) 2013-2021 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.Glue.Types.Schedule where

import qualified Amazonka.Core as Core
import Amazonka.Glue.Types.ScheduleState
import qualified Amazonka.Lens as Lens
import qualified Amazonka.Prelude as Prelude

-- | A scheduling object using a @cron@ statement to schedule an event.
--
-- /See:/ 'newSchedule' smart constructor.
data Schedule = Schedule'
  { -- | The state of the schedule.
    Schedule -> Maybe ScheduleState
state :: Prelude.Maybe ScheduleState,
    -- | A @cron@ expression used to specify the schedule (see
    -- <https://docs.aws.amazon.com/glue/latest/dg/monitor-data-warehouse-schedule.html Time-Based Schedules for Jobs and Crawlers>.
    -- For example, to run something every day at 12:15 UTC, you would specify:
    -- @cron(15 12 * * ? *)@.
    Schedule -> Maybe Text
scheduleExpression :: Prelude.Maybe Prelude.Text
  }
  deriving (Schedule -> Schedule -> Bool
(Schedule -> Schedule -> Bool)
-> (Schedule -> Schedule -> Bool) -> Eq Schedule
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Schedule -> Schedule -> Bool
$c/= :: Schedule -> Schedule -> Bool
== :: Schedule -> Schedule -> Bool
$c== :: Schedule -> Schedule -> Bool
Prelude.Eq, ReadPrec [Schedule]
ReadPrec Schedule
Int -> ReadS Schedule
ReadS [Schedule]
(Int -> ReadS Schedule)
-> ReadS [Schedule]
-> ReadPrec Schedule
-> ReadPrec [Schedule]
-> Read Schedule
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Schedule]
$creadListPrec :: ReadPrec [Schedule]
readPrec :: ReadPrec Schedule
$creadPrec :: ReadPrec Schedule
readList :: ReadS [Schedule]
$creadList :: ReadS [Schedule]
readsPrec :: Int -> ReadS Schedule
$creadsPrec :: Int -> ReadS Schedule
Prelude.Read, Int -> Schedule -> ShowS
[Schedule] -> ShowS
Schedule -> String
(Int -> Schedule -> ShowS)
-> (Schedule -> String) -> ([Schedule] -> ShowS) -> Show Schedule
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Schedule] -> ShowS
$cshowList :: [Schedule] -> ShowS
show :: Schedule -> String
$cshow :: Schedule -> String
showsPrec :: Int -> Schedule -> ShowS
$cshowsPrec :: Int -> Schedule -> ShowS
Prelude.Show, (forall x. Schedule -> Rep Schedule x)
-> (forall x. Rep Schedule x -> Schedule) -> Generic Schedule
forall x. Rep Schedule x -> Schedule
forall x. Schedule -> Rep Schedule x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Schedule x -> Schedule
$cfrom :: forall x. Schedule -> Rep Schedule x
Prelude.Generic)

-- |
-- Create a value of 'Schedule' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'state', 'schedule_state' - The state of the schedule.
--
-- 'scheduleExpression', 'schedule_scheduleExpression' - A @cron@ expression used to specify the schedule (see
-- <https://docs.aws.amazon.com/glue/latest/dg/monitor-data-warehouse-schedule.html Time-Based Schedules for Jobs and Crawlers>.
-- For example, to run something every day at 12:15 UTC, you would specify:
-- @cron(15 12 * * ? *)@.
newSchedule ::
  Schedule
newSchedule :: Schedule
newSchedule =
  Schedule' :: Maybe ScheduleState -> Maybe Text -> Schedule
Schedule'
    { $sel:state:Schedule' :: Maybe ScheduleState
state = Maybe ScheduleState
forall a. Maybe a
Prelude.Nothing,
      $sel:scheduleExpression:Schedule' :: Maybe Text
scheduleExpression = Maybe Text
forall a. Maybe a
Prelude.Nothing
    }

-- | The state of the schedule.
schedule_state :: Lens.Lens' Schedule (Prelude.Maybe ScheduleState)
schedule_state :: (Maybe ScheduleState -> f (Maybe ScheduleState))
-> Schedule -> f Schedule
schedule_state = (Schedule -> Maybe ScheduleState)
-> (Schedule -> Maybe ScheduleState -> Schedule)
-> Lens
     Schedule Schedule (Maybe ScheduleState) (Maybe ScheduleState)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Schedule' {Maybe ScheduleState
state :: Maybe ScheduleState
$sel:state:Schedule' :: Schedule -> Maybe ScheduleState
state} -> Maybe ScheduleState
state) (\s :: Schedule
s@Schedule' {} Maybe ScheduleState
a -> Schedule
s {$sel:state:Schedule' :: Maybe ScheduleState
state = Maybe ScheduleState
a} :: Schedule)

-- | A @cron@ expression used to specify the schedule (see
-- <https://docs.aws.amazon.com/glue/latest/dg/monitor-data-warehouse-schedule.html Time-Based Schedules for Jobs and Crawlers>.
-- For example, to run something every day at 12:15 UTC, you would specify:
-- @cron(15 12 * * ? *)@.
schedule_scheduleExpression :: Lens.Lens' Schedule (Prelude.Maybe Prelude.Text)
schedule_scheduleExpression :: (Maybe Text -> f (Maybe Text)) -> Schedule -> f Schedule
schedule_scheduleExpression = (Schedule -> Maybe Text)
-> (Schedule -> Maybe Text -> Schedule)
-> Lens Schedule Schedule (Maybe Text) (Maybe Text)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Schedule' {Maybe Text
scheduleExpression :: Maybe Text
$sel:scheduleExpression:Schedule' :: Schedule -> Maybe Text
scheduleExpression} -> Maybe Text
scheduleExpression) (\s :: Schedule
s@Schedule' {} Maybe Text
a -> Schedule
s {$sel:scheduleExpression:Schedule' :: Maybe Text
scheduleExpression = Maybe Text
a} :: Schedule)

instance Core.FromJSON Schedule where
  parseJSON :: Value -> Parser Schedule
parseJSON =
    String -> (Object -> Parser Schedule) -> Value -> Parser Schedule
forall a. String -> (Object -> Parser a) -> Value -> Parser a
Core.withObject
      String
"Schedule"
      ( \Object
x ->
          Maybe ScheduleState -> Maybe Text -> Schedule
Schedule'
            (Maybe ScheduleState -> Maybe Text -> Schedule)
-> Parser (Maybe ScheduleState) -> Parser (Maybe Text -> Schedule)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x Object -> Text -> Parser (Maybe ScheduleState)
forall a. FromJSON a => Object -> Text -> Parser (Maybe a)
Core..:? Text
"State")
            Parser (Maybe Text -> Schedule)
-> Parser (Maybe Text) -> Parser Schedule
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x Object -> Text -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Text -> Parser (Maybe a)
Core..:? Text
"ScheduleExpression")
      )

instance Prelude.Hashable Schedule

instance Prelude.NFData Schedule