{-# 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.AutoScalingSettingsUpdate
-- 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.AutoScalingSettingsUpdate 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.AutoScalingPolicyUpdate
import Amazonka.DynamoDB.Types.WriteRequest
import qualified Amazonka.Prelude as Prelude

-- | Represents the auto scaling settings to be modified for a global table
-- or global secondary index.
--
-- /See:/ 'newAutoScalingSettingsUpdate' smart constructor.
data AutoScalingSettingsUpdate = AutoScalingSettingsUpdate'
  { -- | Disabled auto scaling for this global table or global secondary index.
    autoScalingDisabled :: Prelude.Maybe Prelude.Bool,
    -- | Role ARN used for configuring auto scaling policy.
    autoScalingRoleArn :: Prelude.Maybe Prelude.Text,
    -- | The maximum capacity units that a global table or global secondary index
    -- should be scaled up to.
    maximumUnits :: Prelude.Maybe Prelude.Natural,
    -- | The minimum capacity units that a global table or global secondary index
    -- should be scaled down to.
    minimumUnits :: Prelude.Maybe Prelude.Natural,
    -- | The scaling policy to apply for scaling target global table or global
    -- secondary index capacity units.
    scalingPolicyUpdate :: Prelude.Maybe AutoScalingPolicyUpdate
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'AutoScalingSettingsUpdate' 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:
--
-- 'autoScalingDisabled', 'autoScalingSettingsUpdate_autoScalingDisabled' - Disabled auto scaling for this global table or global secondary index.
--
-- 'autoScalingRoleArn', 'autoScalingSettingsUpdate_autoScalingRoleArn' - Role ARN used for configuring auto scaling policy.
--
-- 'maximumUnits', 'autoScalingSettingsUpdate_maximumUnits' - The maximum capacity units that a global table or global secondary index
-- should be scaled up to.
--
-- 'minimumUnits', 'autoScalingSettingsUpdate_minimumUnits' - The minimum capacity units that a global table or global secondary index
-- should be scaled down to.
--
-- 'scalingPolicyUpdate', 'autoScalingSettingsUpdate_scalingPolicyUpdate' - The scaling policy to apply for scaling target global table or global
-- secondary index capacity units.
newAutoScalingSettingsUpdate ::
  AutoScalingSettingsUpdate
newAutoScalingSettingsUpdate =
  AutoScalingSettingsUpdate'
    { autoScalingDisabled =
        Prelude.Nothing,
      autoScalingRoleArn = Prelude.Nothing,
      maximumUnits = Prelude.Nothing,
      minimumUnits = Prelude.Nothing,
      scalingPolicyUpdate = Prelude.Nothing
    }

-- | Disabled auto scaling for this global table or global secondary index.
autoScalingSettingsUpdate_autoScalingDisabled :: Lens.Lens' AutoScalingSettingsUpdate (Prelude.Maybe Prelude.Bool)
autoScalingSettingsUpdate_autoScalingDisabled = Lens.lens (\AutoScalingSettingsUpdate' {autoScalingDisabled} -> autoScalingDisabled) (\s@AutoScalingSettingsUpdate' {} a -> s {autoScalingDisabled = a} :: AutoScalingSettingsUpdate)

-- | Role ARN used for configuring auto scaling policy.
autoScalingSettingsUpdate_autoScalingRoleArn :: Lens.Lens' AutoScalingSettingsUpdate (Prelude.Maybe Prelude.Text)
autoScalingSettingsUpdate_autoScalingRoleArn = Lens.lens (\AutoScalingSettingsUpdate' {autoScalingRoleArn} -> autoScalingRoleArn) (\s@AutoScalingSettingsUpdate' {} a -> s {autoScalingRoleArn = a} :: AutoScalingSettingsUpdate)

-- | The maximum capacity units that a global table or global secondary index
-- should be scaled up to.
autoScalingSettingsUpdate_maximumUnits :: Lens.Lens' AutoScalingSettingsUpdate (Prelude.Maybe Prelude.Natural)
autoScalingSettingsUpdate_maximumUnits = Lens.lens (\AutoScalingSettingsUpdate' {maximumUnits} -> maximumUnits) (\s@AutoScalingSettingsUpdate' {} a -> s {maximumUnits = a} :: AutoScalingSettingsUpdate)

-- | The minimum capacity units that a global table or global secondary index
-- should be scaled down to.
autoScalingSettingsUpdate_minimumUnits :: Lens.Lens' AutoScalingSettingsUpdate (Prelude.Maybe Prelude.Natural)
autoScalingSettingsUpdate_minimumUnits = Lens.lens (\AutoScalingSettingsUpdate' {minimumUnits} -> minimumUnits) (\s@AutoScalingSettingsUpdate' {} a -> s {minimumUnits = a} :: AutoScalingSettingsUpdate)

-- | The scaling policy to apply for scaling target global table or global
-- secondary index capacity units.
autoScalingSettingsUpdate_scalingPolicyUpdate :: Lens.Lens' AutoScalingSettingsUpdate (Prelude.Maybe AutoScalingPolicyUpdate)
autoScalingSettingsUpdate_scalingPolicyUpdate = Lens.lens (\AutoScalingSettingsUpdate' {scalingPolicyUpdate} -> scalingPolicyUpdate) (\s@AutoScalingSettingsUpdate' {} a -> s {scalingPolicyUpdate = a} :: AutoScalingSettingsUpdate)

instance Prelude.Hashable AutoScalingSettingsUpdate where
  hashWithSalt _salt AutoScalingSettingsUpdate' {..} =
    _salt
      `Prelude.hashWithSalt` autoScalingDisabled
      `Prelude.hashWithSalt` autoScalingRoleArn
      `Prelude.hashWithSalt` maximumUnits
      `Prelude.hashWithSalt` minimumUnits
      `Prelude.hashWithSalt` scalingPolicyUpdate

instance Prelude.NFData AutoScalingSettingsUpdate where
  rnf AutoScalingSettingsUpdate' {..} =
    Prelude.rnf autoScalingDisabled
      `Prelude.seq` Prelude.rnf autoScalingRoleArn
      `Prelude.seq` Prelude.rnf maximumUnits
      `Prelude.seq` Prelude.rnf minimumUnits
      `Prelude.seq` Prelude.rnf scalingPolicyUpdate

instance Data.ToJSON AutoScalingSettingsUpdate where
  toJSON AutoScalingSettingsUpdate' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("AutoScalingDisabled" Data..=)
              Prelude.<$> autoScalingDisabled,
            ("AutoScalingRoleArn" Data..=)
              Prelude.<$> autoScalingRoleArn,
            ("MaximumUnits" Data..=) Prelude.<$> maximumUnits,
            ("MinimumUnits" Data..=) Prelude.<$> minimumUnits,
            ("ScalingPolicyUpdate" Data..=)
              Prelude.<$> scalingPolicyUpdate
          ]
      )