{-# 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.DynamoDB.Types.AutoScalingPolicyDescription
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.DynamoDB.Types.AutoScalingPolicyDescription where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.DynamoDB.Types.AttributeValue
import Amazonka.DynamoDB.Types.AutoScalingTargetTrackingScalingPolicyConfigurationDescription
import Amazonka.DynamoDB.Types.WriteRequest
import qualified Amazonka.Prelude as Prelude

-- | Represents the properties of the scaling policy.
--
-- /See:/ 'newAutoScalingPolicyDescription' smart constructor.
data AutoScalingPolicyDescription = AutoScalingPolicyDescription'
  { -- | The name of the scaling policy.
    AutoScalingPolicyDescription -> Maybe Text
policyName :: Prelude.Maybe Prelude.Text,
    -- | Represents a target tracking scaling policy configuration.
    AutoScalingPolicyDescription
-> Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration :: Prelude.Maybe AutoScalingTargetTrackingScalingPolicyConfigurationDescription
  }
  deriving (AutoScalingPolicyDescription
-> AutoScalingPolicyDescription -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: AutoScalingPolicyDescription
-> AutoScalingPolicyDescription -> Bool
$c/= :: AutoScalingPolicyDescription
-> AutoScalingPolicyDescription -> Bool
== :: AutoScalingPolicyDescription
-> AutoScalingPolicyDescription -> Bool
$c== :: AutoScalingPolicyDescription
-> AutoScalingPolicyDescription -> Bool
Prelude.Eq, ReadPrec [AutoScalingPolicyDescription]
ReadPrec AutoScalingPolicyDescription
Int -> ReadS AutoScalingPolicyDescription
ReadS [AutoScalingPolicyDescription]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [AutoScalingPolicyDescription]
$creadListPrec :: ReadPrec [AutoScalingPolicyDescription]
readPrec :: ReadPrec AutoScalingPolicyDescription
$creadPrec :: ReadPrec AutoScalingPolicyDescription
readList :: ReadS [AutoScalingPolicyDescription]
$creadList :: ReadS [AutoScalingPolicyDescription]
readsPrec :: Int -> ReadS AutoScalingPolicyDescription
$creadsPrec :: Int -> ReadS AutoScalingPolicyDescription
Prelude.Read, Int -> AutoScalingPolicyDescription -> ShowS
[AutoScalingPolicyDescription] -> ShowS
AutoScalingPolicyDescription -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [AutoScalingPolicyDescription] -> ShowS
$cshowList :: [AutoScalingPolicyDescription] -> ShowS
show :: AutoScalingPolicyDescription -> String
$cshow :: AutoScalingPolicyDescription -> String
showsPrec :: Int -> AutoScalingPolicyDescription -> ShowS
$cshowsPrec :: Int -> AutoScalingPolicyDescription -> ShowS
Prelude.Show, forall x.
Rep AutoScalingPolicyDescription x -> AutoScalingPolicyDescription
forall x.
AutoScalingPolicyDescription -> Rep AutoScalingPolicyDescription x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep AutoScalingPolicyDescription x -> AutoScalingPolicyDescription
$cfrom :: forall x.
AutoScalingPolicyDescription -> Rep AutoScalingPolicyDescription x
Prelude.Generic)

-- |
-- Create a value of 'AutoScalingPolicyDescription' 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:
--
-- 'policyName', 'autoScalingPolicyDescription_policyName' - The name of the scaling policy.
--
-- 'targetTrackingScalingPolicyConfiguration', 'autoScalingPolicyDescription_targetTrackingScalingPolicyConfiguration' - Represents a target tracking scaling policy configuration.
newAutoScalingPolicyDescription ::
  AutoScalingPolicyDescription
newAutoScalingPolicyDescription :: AutoScalingPolicyDescription
newAutoScalingPolicyDescription =
  AutoScalingPolicyDescription'
    { $sel:policyName:AutoScalingPolicyDescription' :: Maybe Text
policyName =
        forall a. Maybe a
Prelude.Nothing,
      $sel:targetTrackingScalingPolicyConfiguration:AutoScalingPolicyDescription' :: Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration =
        forall a. Maybe a
Prelude.Nothing
    }

-- | The name of the scaling policy.
autoScalingPolicyDescription_policyName :: Lens.Lens' AutoScalingPolicyDescription (Prelude.Maybe Prelude.Text)
autoScalingPolicyDescription_policyName :: Lens' AutoScalingPolicyDescription (Maybe Text)
autoScalingPolicyDescription_policyName = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\AutoScalingPolicyDescription' {Maybe Text
policyName :: Maybe Text
$sel:policyName:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription -> Maybe Text
policyName} -> Maybe Text
policyName) (\s :: AutoScalingPolicyDescription
s@AutoScalingPolicyDescription' {} Maybe Text
a -> AutoScalingPolicyDescription
s {$sel:policyName:AutoScalingPolicyDescription' :: Maybe Text
policyName = Maybe Text
a} :: AutoScalingPolicyDescription)

-- | Represents a target tracking scaling policy configuration.
autoScalingPolicyDescription_targetTrackingScalingPolicyConfiguration :: Lens.Lens' AutoScalingPolicyDescription (Prelude.Maybe AutoScalingTargetTrackingScalingPolicyConfigurationDescription)
autoScalingPolicyDescription_targetTrackingScalingPolicyConfiguration :: Lens'
  AutoScalingPolicyDescription
  (Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription)
autoScalingPolicyDescription_targetTrackingScalingPolicyConfiguration = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\AutoScalingPolicyDescription' {Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration :: Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
$sel:targetTrackingScalingPolicyConfiguration:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription
-> Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration} -> Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration) (\s :: AutoScalingPolicyDescription
s@AutoScalingPolicyDescription' {} Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
a -> AutoScalingPolicyDescription
s {$sel:targetTrackingScalingPolicyConfiguration:AutoScalingPolicyDescription' :: Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration = Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
a} :: AutoScalingPolicyDescription)

instance Data.FromJSON AutoScalingPolicyDescription where
  parseJSON :: Value -> Parser AutoScalingPolicyDescription
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"AutoScalingPolicyDescription"
      ( \Object
x ->
          Maybe Text
-> Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription
-> AutoScalingPolicyDescription
AutoScalingPolicyDescription'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
Data..:? Key
"PolicyName")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> ( Object
x
                            forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
Data..:? Key
"TargetTrackingScalingPolicyConfiguration"
                        )
      )

instance
  Prelude.Hashable
    AutoScalingPolicyDescription
  where
  hashWithSalt :: Int -> AutoScalingPolicyDescription -> Int
hashWithSalt Int
_salt AutoScalingPolicyDescription' {Maybe Text
Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration :: Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
policyName :: Maybe Text
$sel:targetTrackingScalingPolicyConfiguration:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription
-> Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription
$sel:policyName:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
policyName
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration

instance Prelude.NFData AutoScalingPolicyDescription where
  rnf :: AutoScalingPolicyDescription -> ()
rnf AutoScalingPolicyDescription' {Maybe Text
Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration :: Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
policyName :: Maybe Text
$sel:targetTrackingScalingPolicyConfiguration:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription
-> Maybe
     AutoScalingTargetTrackingScalingPolicyConfigurationDescription
$sel:policyName:AutoScalingPolicyDescription' :: AutoScalingPolicyDescription -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
policyName
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe
  AutoScalingTargetTrackingScalingPolicyConfigurationDescription
targetTrackingScalingPolicyConfiguration