{-# 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.LookoutMetrics.Types.Filter
-- 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.LookoutMetrics.Types.Filter where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.LookoutMetrics.Types.FilterOperation
import qualified Amazonka.Prelude as Prelude

-- | Describes a filter for choosing a subset of dimension values. Each
-- filter consists of the dimension that you want to include and the
-- condition statement. The condition statement is specified in the
-- @FilterOperation@ object.
--
-- /See:/ 'newFilter' smart constructor.
data Filter = Filter'
  { -- | The value that you want to include in the filter.
    Filter -> Maybe Text
dimensionValue :: Prelude.Maybe Prelude.Text,
    -- | The condition to apply.
    Filter -> Maybe FilterOperation
filterOperation :: Prelude.Maybe FilterOperation
  }
  deriving (Filter -> Filter -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Filter -> Filter -> Bool
$c/= :: Filter -> Filter -> Bool
== :: Filter -> Filter -> Bool
$c== :: Filter -> Filter -> Bool
Prelude.Eq, ReadPrec [Filter]
ReadPrec Filter
Int -> ReadS Filter
ReadS [Filter]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Filter]
$creadListPrec :: ReadPrec [Filter]
readPrec :: ReadPrec Filter
$creadPrec :: ReadPrec Filter
readList :: ReadS [Filter]
$creadList :: ReadS [Filter]
readsPrec :: Int -> ReadS Filter
$creadsPrec :: Int -> ReadS Filter
Prelude.Read, Int -> Filter -> ShowS
[Filter] -> ShowS
Filter -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Filter] -> ShowS
$cshowList :: [Filter] -> ShowS
show :: Filter -> String
$cshow :: Filter -> String
showsPrec :: Int -> Filter -> ShowS
$cshowsPrec :: Int -> Filter -> ShowS
Prelude.Show, forall x. Rep Filter x -> Filter
forall x. Filter -> Rep Filter x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Filter x -> Filter
$cfrom :: forall x. Filter -> Rep Filter x
Prelude.Generic)

-- |
-- Create a value of 'Filter' 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:
--
-- 'dimensionValue', 'filter_dimensionValue' - The value that you want to include in the filter.
--
-- 'filterOperation', 'filter_filterOperation' - The condition to apply.
newFilter ::
  Filter
newFilter :: Filter
newFilter =
  Filter'
    { $sel:dimensionValue:Filter' :: Maybe Text
dimensionValue = forall a. Maybe a
Prelude.Nothing,
      $sel:filterOperation:Filter' :: Maybe FilterOperation
filterOperation = forall a. Maybe a
Prelude.Nothing
    }

-- | The value that you want to include in the filter.
filter_dimensionValue :: Lens.Lens' Filter (Prelude.Maybe Prelude.Text)
filter_dimensionValue :: Lens' Filter (Maybe Text)
filter_dimensionValue = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Filter' {Maybe Text
dimensionValue :: Maybe Text
$sel:dimensionValue:Filter' :: Filter -> Maybe Text
dimensionValue} -> Maybe Text
dimensionValue) (\s :: Filter
s@Filter' {} Maybe Text
a -> Filter
s {$sel:dimensionValue:Filter' :: Maybe Text
dimensionValue = Maybe Text
a} :: Filter)

-- | The condition to apply.
filter_filterOperation :: Lens.Lens' Filter (Prelude.Maybe FilterOperation)
filter_filterOperation :: Lens' Filter (Maybe FilterOperation)
filter_filterOperation = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Filter' {Maybe FilterOperation
filterOperation :: Maybe FilterOperation
$sel:filterOperation:Filter' :: Filter -> Maybe FilterOperation
filterOperation} -> Maybe FilterOperation
filterOperation) (\s :: Filter
s@Filter' {} Maybe FilterOperation
a -> Filter
s {$sel:filterOperation:Filter' :: Maybe FilterOperation
filterOperation = Maybe FilterOperation
a} :: Filter)

instance Data.FromJSON Filter where
  parseJSON :: Value -> Parser Filter
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"Filter"
      ( \Object
x ->
          Maybe Text -> Maybe FilterOperation -> Filter
Filter'
            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
"DimensionValue")
            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
"FilterOperation")
      )

instance Prelude.Hashable Filter where
  hashWithSalt :: Int -> Filter -> Int
hashWithSalt Int
_salt Filter' {Maybe Text
Maybe FilterOperation
filterOperation :: Maybe FilterOperation
dimensionValue :: Maybe Text
$sel:filterOperation:Filter' :: Filter -> Maybe FilterOperation
$sel:dimensionValue:Filter' :: Filter -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
dimensionValue
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe FilterOperation
filterOperation

instance Prelude.NFData Filter where
  rnf :: Filter -> ()
rnf Filter' {Maybe Text
Maybe FilterOperation
filterOperation :: Maybe FilterOperation
dimensionValue :: Maybe Text
$sel:filterOperation:Filter' :: Filter -> Maybe FilterOperation
$sel:dimensionValue:Filter' :: Filter -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
dimensionValue
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe FilterOperation
filterOperation

instance Data.ToJSON Filter where
  toJSON :: Filter -> Value
toJSON Filter' {Maybe Text
Maybe FilterOperation
filterOperation :: Maybe FilterOperation
dimensionValue :: Maybe Text
$sel:filterOperation:Filter' :: Filter -> Maybe FilterOperation
$sel:dimensionValue:Filter' :: Filter -> Maybe Text
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"DimensionValue" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=)
              forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Text
dimensionValue,
            (Key
"FilterOperation" 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 FilterOperation
filterOperation
          ]
      )