{-# 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.DynamoDBStreams.Types.Shard
-- 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.DynamoDBStreams.Types.Shard where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.DynamoDBStreams.Internal
import Amazonka.DynamoDBStreams.Types.SequenceNumberRange
import qualified Amazonka.Prelude as Prelude

-- | A uniquely identified group of stream records within a stream.
--
-- /See:/ 'newShard' smart constructor.
data Shard = Shard'
  { -- | The shard ID of the current shard\'s parent.
    Shard -> Maybe Text
parentShardId :: Prelude.Maybe Prelude.Text,
    -- | The range of possible sequence numbers for the shard.
    Shard -> Maybe SequenceNumberRange
sequenceNumberRange :: Prelude.Maybe SequenceNumberRange,
    -- | The system-generated identifier for this shard.
    Shard -> Maybe Text
shardId :: Prelude.Maybe Prelude.Text
  }
  deriving (Shard -> Shard -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Shard -> Shard -> Bool
$c/= :: Shard -> Shard -> Bool
== :: Shard -> Shard -> Bool
$c== :: Shard -> Shard -> Bool
Prelude.Eq, ReadPrec [Shard]
ReadPrec Shard
Int -> ReadS Shard
ReadS [Shard]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Shard]
$creadListPrec :: ReadPrec [Shard]
readPrec :: ReadPrec Shard
$creadPrec :: ReadPrec Shard
readList :: ReadS [Shard]
$creadList :: ReadS [Shard]
readsPrec :: Int -> ReadS Shard
$creadsPrec :: Int -> ReadS Shard
Prelude.Read, Int -> Shard -> ShowS
[Shard] -> ShowS
Shard -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Shard] -> ShowS
$cshowList :: [Shard] -> ShowS
show :: Shard -> String
$cshow :: Shard -> String
showsPrec :: Int -> Shard -> ShowS
$cshowsPrec :: Int -> Shard -> ShowS
Prelude.Show, forall x. Rep Shard x -> Shard
forall x. Shard -> Rep Shard x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Shard x -> Shard
$cfrom :: forall x. Shard -> Rep Shard x
Prelude.Generic)

-- |
-- Create a value of 'Shard' 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:
--
-- 'parentShardId', 'shard_parentShardId' - The shard ID of the current shard\'s parent.
--
-- 'sequenceNumberRange', 'shard_sequenceNumberRange' - The range of possible sequence numbers for the shard.
--
-- 'shardId', 'shard_shardId' - The system-generated identifier for this shard.
newShard ::
  Shard
newShard :: Shard
newShard =
  Shard'
    { $sel:parentShardId:Shard' :: Maybe Text
parentShardId = forall a. Maybe a
Prelude.Nothing,
      $sel:sequenceNumberRange:Shard' :: Maybe SequenceNumberRange
sequenceNumberRange = forall a. Maybe a
Prelude.Nothing,
      $sel:shardId:Shard' :: Maybe Text
shardId = forall a. Maybe a
Prelude.Nothing
    }

-- | The shard ID of the current shard\'s parent.
shard_parentShardId :: Lens.Lens' Shard (Prelude.Maybe Prelude.Text)
shard_parentShardId :: Lens' Shard (Maybe Text)
shard_parentShardId = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Shard' {Maybe Text
parentShardId :: Maybe Text
$sel:parentShardId:Shard' :: Shard -> Maybe Text
parentShardId} -> Maybe Text
parentShardId) (\s :: Shard
s@Shard' {} Maybe Text
a -> Shard
s {$sel:parentShardId:Shard' :: Maybe Text
parentShardId = Maybe Text
a} :: Shard)

-- | The range of possible sequence numbers for the shard.
shard_sequenceNumberRange :: Lens.Lens' Shard (Prelude.Maybe SequenceNumberRange)
shard_sequenceNumberRange :: Lens' Shard (Maybe SequenceNumberRange)
shard_sequenceNumberRange = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Shard' {Maybe SequenceNumberRange
sequenceNumberRange :: Maybe SequenceNumberRange
$sel:sequenceNumberRange:Shard' :: Shard -> Maybe SequenceNumberRange
sequenceNumberRange} -> Maybe SequenceNumberRange
sequenceNumberRange) (\s :: Shard
s@Shard' {} Maybe SequenceNumberRange
a -> Shard
s {$sel:sequenceNumberRange:Shard' :: Maybe SequenceNumberRange
sequenceNumberRange = Maybe SequenceNumberRange
a} :: Shard)

-- | The system-generated identifier for this shard.
shard_shardId :: Lens.Lens' Shard (Prelude.Maybe Prelude.Text)
shard_shardId :: Lens' Shard (Maybe Text)
shard_shardId = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Shard' {Maybe Text
shardId :: Maybe Text
$sel:shardId:Shard' :: Shard -> Maybe Text
shardId} -> Maybe Text
shardId) (\s :: Shard
s@Shard' {} Maybe Text
a -> Shard
s {$sel:shardId:Shard' :: Maybe Text
shardId = Maybe Text
a} :: Shard)

instance Data.FromJSON Shard where
  parseJSON :: Value -> Parser Shard
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"Shard"
      ( \Object
x ->
          Maybe Text -> Maybe SequenceNumberRange -> Maybe Text -> Shard
Shard'
            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
"ParentShardId")
            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
"SequenceNumberRange")
            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
"ShardId")
      )

instance Prelude.Hashable Shard where
  hashWithSalt :: Int -> Shard -> Int
hashWithSalt Int
_salt Shard' {Maybe Text
Maybe SequenceNumberRange
shardId :: Maybe Text
sequenceNumberRange :: Maybe SequenceNumberRange
parentShardId :: Maybe Text
$sel:shardId:Shard' :: Shard -> Maybe Text
$sel:sequenceNumberRange:Shard' :: Shard -> Maybe SequenceNumberRange
$sel:parentShardId:Shard' :: Shard -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
parentShardId
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe SequenceNumberRange
sequenceNumberRange
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
shardId

instance Prelude.NFData Shard where
  rnf :: Shard -> ()
rnf Shard' {Maybe Text
Maybe SequenceNumberRange
shardId :: Maybe Text
sequenceNumberRange :: Maybe SequenceNumberRange
parentShardId :: Maybe Text
$sel:shardId:Shard' :: Shard -> Maybe Text
$sel:sequenceNumberRange:Shard' :: Shard -> Maybe SequenceNumberRange
$sel:parentShardId:Shard' :: Shard -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
parentShardId
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe SequenceNumberRange
sequenceNumberRange
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
shardId