{-# 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.ProvisionedThroughputOverride
-- 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.ProvisionedThroughputOverride 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.WriteRequest
import qualified Amazonka.Prelude as Prelude

-- | Replica-specific provisioned throughput settings. If not specified, uses
-- the source table\'s provisioned throughput settings.
--
-- /See:/ 'newProvisionedThroughputOverride' smart constructor.
data ProvisionedThroughputOverride = ProvisionedThroughputOverride'
  { -- | Replica-specific read capacity units. If not specified, uses the source
    -- table\'s read capacity settings.
    readCapacityUnits :: Prelude.Maybe Prelude.Natural
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ProvisionedThroughputOverride' 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:
--
-- 'readCapacityUnits', 'provisionedThroughputOverride_readCapacityUnits' - Replica-specific read capacity units. If not specified, uses the source
-- table\'s read capacity settings.
newProvisionedThroughputOverride ::
  ProvisionedThroughputOverride
newProvisionedThroughputOverride =
  ProvisionedThroughputOverride'
    { readCapacityUnits =
        Prelude.Nothing
    }

-- | Replica-specific read capacity units. If not specified, uses the source
-- table\'s read capacity settings.
provisionedThroughputOverride_readCapacityUnits :: Lens.Lens' ProvisionedThroughputOverride (Prelude.Maybe Prelude.Natural)
provisionedThroughputOverride_readCapacityUnits = Lens.lens (\ProvisionedThroughputOverride' {readCapacityUnits} -> readCapacityUnits) (\s@ProvisionedThroughputOverride' {} a -> s {readCapacityUnits = a} :: ProvisionedThroughputOverride)

instance Data.FromJSON ProvisionedThroughputOverride where
  parseJSON =
    Data.withObject
      "ProvisionedThroughputOverride"
      ( \x ->
          ProvisionedThroughputOverride'
            Prelude.<$> (x Data..:? "ReadCapacityUnits")
      )

instance
  Prelude.Hashable
    ProvisionedThroughputOverride
  where
  hashWithSalt _salt ProvisionedThroughputOverride' {..} =
    _salt `Prelude.hashWithSalt` readCapacityUnits

instance Prelude.NFData ProvisionedThroughputOverride where
  rnf ProvisionedThroughputOverride' {..} =
    Prelude.rnf readCapacityUnits

instance Data.ToJSON ProvisionedThroughputOverride where
  toJSON ProvisionedThroughputOverride' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("ReadCapacityUnits" Data..=)
              Prelude.<$> readCapacityUnits
          ]
      )