{-# 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.Rekognition.Types.StreamProcessingStartSelector
-- 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.Rekognition.Types.StreamProcessingStartSelector where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import qualified Amazonka.Prelude as Prelude
import Amazonka.Rekognition.Types.KinesisVideoStreamStartSelector

-- | This is a required parameter for label detection stream processors and
-- should not be used to start a face search stream processor.
--
-- /See:/ 'newStreamProcessingStartSelector' smart constructor.
data StreamProcessingStartSelector = StreamProcessingStartSelector'
  { -- | Specifies the starting point in the stream to start processing. This can
    -- be done with a producer timestamp or a fragment number in a Kinesis
    -- stream.
    StreamProcessingStartSelector
-> Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector :: Prelude.Maybe KinesisVideoStreamStartSelector
  }
  deriving (StreamProcessingStartSelector
-> StreamProcessingStartSelector -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: StreamProcessingStartSelector
-> StreamProcessingStartSelector -> Bool
$c/= :: StreamProcessingStartSelector
-> StreamProcessingStartSelector -> Bool
== :: StreamProcessingStartSelector
-> StreamProcessingStartSelector -> Bool
$c== :: StreamProcessingStartSelector
-> StreamProcessingStartSelector -> Bool
Prelude.Eq, ReadPrec [StreamProcessingStartSelector]
ReadPrec StreamProcessingStartSelector
Int -> ReadS StreamProcessingStartSelector
ReadS [StreamProcessingStartSelector]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [StreamProcessingStartSelector]
$creadListPrec :: ReadPrec [StreamProcessingStartSelector]
readPrec :: ReadPrec StreamProcessingStartSelector
$creadPrec :: ReadPrec StreamProcessingStartSelector
readList :: ReadS [StreamProcessingStartSelector]
$creadList :: ReadS [StreamProcessingStartSelector]
readsPrec :: Int -> ReadS StreamProcessingStartSelector
$creadsPrec :: Int -> ReadS StreamProcessingStartSelector
Prelude.Read, Int -> StreamProcessingStartSelector -> ShowS
[StreamProcessingStartSelector] -> ShowS
StreamProcessingStartSelector -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [StreamProcessingStartSelector] -> ShowS
$cshowList :: [StreamProcessingStartSelector] -> ShowS
show :: StreamProcessingStartSelector -> String
$cshow :: StreamProcessingStartSelector -> String
showsPrec :: Int -> StreamProcessingStartSelector -> ShowS
$cshowsPrec :: Int -> StreamProcessingStartSelector -> ShowS
Prelude.Show, forall x.
Rep StreamProcessingStartSelector x
-> StreamProcessingStartSelector
forall x.
StreamProcessingStartSelector
-> Rep StreamProcessingStartSelector x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep StreamProcessingStartSelector x
-> StreamProcessingStartSelector
$cfrom :: forall x.
StreamProcessingStartSelector
-> Rep StreamProcessingStartSelector x
Prelude.Generic)

-- |
-- Create a value of 'StreamProcessingStartSelector' 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:
--
-- 'kVSStreamStartSelector', 'streamProcessingStartSelector_kVSStreamStartSelector' - Specifies the starting point in the stream to start processing. This can
-- be done with a producer timestamp or a fragment number in a Kinesis
-- stream.
newStreamProcessingStartSelector ::
  StreamProcessingStartSelector
newStreamProcessingStartSelector :: StreamProcessingStartSelector
newStreamProcessingStartSelector =
  StreamProcessingStartSelector'
    { $sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector =
        forall a. Maybe a
Prelude.Nothing
    }

-- | Specifies the starting point in the stream to start processing. This can
-- be done with a producer timestamp or a fragment number in a Kinesis
-- stream.
streamProcessingStartSelector_kVSStreamStartSelector :: Lens.Lens' StreamProcessingStartSelector (Prelude.Maybe KinesisVideoStreamStartSelector)
streamProcessingStartSelector_kVSStreamStartSelector :: Lens'
  StreamProcessingStartSelector
  (Maybe KinesisVideoStreamStartSelector)
streamProcessingStartSelector_kVSStreamStartSelector = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\StreamProcessingStartSelector' {Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector :: Maybe KinesisVideoStreamStartSelector
$sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: StreamProcessingStartSelector
-> Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector} -> Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector) (\s :: StreamProcessingStartSelector
s@StreamProcessingStartSelector' {} Maybe KinesisVideoStreamStartSelector
a -> StreamProcessingStartSelector
s {$sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector = Maybe KinesisVideoStreamStartSelector
a} :: StreamProcessingStartSelector)

instance
  Prelude.Hashable
    StreamProcessingStartSelector
  where
  hashWithSalt :: Int -> StreamProcessingStartSelector -> Int
hashWithSalt Int
_salt StreamProcessingStartSelector' {Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector :: Maybe KinesisVideoStreamStartSelector
$sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: StreamProcessingStartSelector
-> Maybe KinesisVideoStreamStartSelector
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector

instance Prelude.NFData StreamProcessingStartSelector where
  rnf :: StreamProcessingStartSelector -> ()
rnf StreamProcessingStartSelector' {Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector :: Maybe KinesisVideoStreamStartSelector
$sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: StreamProcessingStartSelector
-> Maybe KinesisVideoStreamStartSelector
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector

instance Data.ToJSON StreamProcessingStartSelector where
  toJSON :: StreamProcessingStartSelector -> Value
toJSON StreamProcessingStartSelector' {Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector :: Maybe KinesisVideoStreamStartSelector
$sel:kVSStreamStartSelector:StreamProcessingStartSelector' :: StreamProcessingStartSelector
-> Maybe KinesisVideoStreamStartSelector
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"KVSStreamStartSelector" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=)
              forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe KinesisVideoStreamStartSelector
kVSStreamStartSelector
          ]
      )