{-# 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.IoTAnalytics.Types.QueryFilter
-- Copyright   : (c) 2013-2021 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.IoTAnalytics.Types.QueryFilter where

import qualified Amazonka.Core as Core
import Amazonka.IoTAnalytics.Types.DeltaTime
import qualified Amazonka.Lens as Lens
import qualified Amazonka.Prelude as Prelude

-- | Information that is used to filter message data, to segregate it
-- according to the timeframe in which it arrives.
--
-- /See:/ 'newQueryFilter' smart constructor.
data QueryFilter = QueryFilter'
  { -- | Used to limit data to that which has arrived since the last execution of
    -- the action.
    QueryFilter -> Maybe DeltaTime
deltaTime :: Prelude.Maybe DeltaTime
  }
  deriving (QueryFilter -> QueryFilter -> Bool
(QueryFilter -> QueryFilter -> Bool)
-> (QueryFilter -> QueryFilter -> Bool) -> Eq QueryFilter
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: QueryFilter -> QueryFilter -> Bool
$c/= :: QueryFilter -> QueryFilter -> Bool
== :: QueryFilter -> QueryFilter -> Bool
$c== :: QueryFilter -> QueryFilter -> Bool
Prelude.Eq, ReadPrec [QueryFilter]
ReadPrec QueryFilter
Int -> ReadS QueryFilter
ReadS [QueryFilter]
(Int -> ReadS QueryFilter)
-> ReadS [QueryFilter]
-> ReadPrec QueryFilter
-> ReadPrec [QueryFilter]
-> Read QueryFilter
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [QueryFilter]
$creadListPrec :: ReadPrec [QueryFilter]
readPrec :: ReadPrec QueryFilter
$creadPrec :: ReadPrec QueryFilter
readList :: ReadS [QueryFilter]
$creadList :: ReadS [QueryFilter]
readsPrec :: Int -> ReadS QueryFilter
$creadsPrec :: Int -> ReadS QueryFilter
Prelude.Read, Int -> QueryFilter -> ShowS
[QueryFilter] -> ShowS
QueryFilter -> String
(Int -> QueryFilter -> ShowS)
-> (QueryFilter -> String)
-> ([QueryFilter] -> ShowS)
-> Show QueryFilter
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [QueryFilter] -> ShowS
$cshowList :: [QueryFilter] -> ShowS
show :: QueryFilter -> String
$cshow :: QueryFilter -> String
showsPrec :: Int -> QueryFilter -> ShowS
$cshowsPrec :: Int -> QueryFilter -> ShowS
Prelude.Show, (forall x. QueryFilter -> Rep QueryFilter x)
-> (forall x. Rep QueryFilter x -> QueryFilter)
-> Generic QueryFilter
forall x. Rep QueryFilter x -> QueryFilter
forall x. QueryFilter -> Rep QueryFilter x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep QueryFilter x -> QueryFilter
$cfrom :: forall x. QueryFilter -> Rep QueryFilter x
Prelude.Generic)

-- |
-- Create a value of 'QueryFilter' 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:
--
-- 'deltaTime', 'queryFilter_deltaTime' - Used to limit data to that which has arrived since the last execution of
-- the action.
newQueryFilter ::
  QueryFilter
newQueryFilter :: QueryFilter
newQueryFilter =
  QueryFilter' :: Maybe DeltaTime -> QueryFilter
QueryFilter' {$sel:deltaTime:QueryFilter' :: Maybe DeltaTime
deltaTime = Maybe DeltaTime
forall a. Maybe a
Prelude.Nothing}

-- | Used to limit data to that which has arrived since the last execution of
-- the action.
queryFilter_deltaTime :: Lens.Lens' QueryFilter (Prelude.Maybe DeltaTime)
queryFilter_deltaTime :: (Maybe DeltaTime -> f (Maybe DeltaTime))
-> QueryFilter -> f QueryFilter
queryFilter_deltaTime = (QueryFilter -> Maybe DeltaTime)
-> (QueryFilter -> Maybe DeltaTime -> QueryFilter)
-> Lens QueryFilter QueryFilter (Maybe DeltaTime) (Maybe DeltaTime)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\QueryFilter' {Maybe DeltaTime
deltaTime :: Maybe DeltaTime
$sel:deltaTime:QueryFilter' :: QueryFilter -> Maybe DeltaTime
deltaTime} -> Maybe DeltaTime
deltaTime) (\s :: QueryFilter
s@QueryFilter' {} Maybe DeltaTime
a -> QueryFilter
s {$sel:deltaTime:QueryFilter' :: Maybe DeltaTime
deltaTime = Maybe DeltaTime
a} :: QueryFilter)

instance Core.FromJSON QueryFilter where
  parseJSON :: Value -> Parser QueryFilter
parseJSON =
    String
-> (Object -> Parser QueryFilter) -> Value -> Parser QueryFilter
forall a. String -> (Object -> Parser a) -> Value -> Parser a
Core.withObject
      String
"QueryFilter"
      ( \Object
x ->
          Maybe DeltaTime -> QueryFilter
QueryFilter' (Maybe DeltaTime -> QueryFilter)
-> Parser (Maybe DeltaTime) -> Parser QueryFilter
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x Object -> Text -> Parser (Maybe DeltaTime)
forall a. FromJSON a => Object -> Text -> Parser (Maybe a)
Core..:? Text
"deltaTime")
      )

instance Prelude.Hashable QueryFilter

instance Prelude.NFData QueryFilter

instance Core.ToJSON QueryFilter where
  toJSON :: QueryFilter -> Value
toJSON QueryFilter' {Maybe DeltaTime
deltaTime :: Maybe DeltaTime
$sel:deltaTime:QueryFilter' :: QueryFilter -> Maybe DeltaTime
..} =
    [Pair] -> Value
Core.object
      ( [Maybe Pair] -> [Pair]
forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [(Text
"deltaTime" Text -> DeltaTime -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Text -> v -> kv
Core..=) (DeltaTime -> Pair) -> Maybe DeltaTime -> Maybe Pair
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe DeltaTime
deltaTime]
      )