{-# 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.QuickSight.Types.FilterOperation
-- 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.QuickSight.Types.FilterOperation where

import qualified Amazonka.Core as Core
import qualified Amazonka.Lens as Lens
import qualified Amazonka.Prelude as Prelude

-- | A transform operation that filters rows based on a condition.
--
-- /See:/ 'newFilterOperation' smart constructor.
data FilterOperation = FilterOperation'
  { -- | An expression that must evaluate to a Boolean value. Rows for which the
    -- expression evaluates to true are kept in the dataset.
    FilterOperation -> Text
conditionExpression :: Prelude.Text
  }
  deriving (FilterOperation -> FilterOperation -> Bool
(FilterOperation -> FilterOperation -> Bool)
-> (FilterOperation -> FilterOperation -> Bool)
-> Eq FilterOperation
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: FilterOperation -> FilterOperation -> Bool
$c/= :: FilterOperation -> FilterOperation -> Bool
== :: FilterOperation -> FilterOperation -> Bool
$c== :: FilterOperation -> FilterOperation -> Bool
Prelude.Eq, ReadPrec [FilterOperation]
ReadPrec FilterOperation
Int -> ReadS FilterOperation
ReadS [FilterOperation]
(Int -> ReadS FilterOperation)
-> ReadS [FilterOperation]
-> ReadPrec FilterOperation
-> ReadPrec [FilterOperation]
-> Read FilterOperation
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [FilterOperation]
$creadListPrec :: ReadPrec [FilterOperation]
readPrec :: ReadPrec FilterOperation
$creadPrec :: ReadPrec FilterOperation
readList :: ReadS [FilterOperation]
$creadList :: ReadS [FilterOperation]
readsPrec :: Int -> ReadS FilterOperation
$creadsPrec :: Int -> ReadS FilterOperation
Prelude.Read, Int -> FilterOperation -> ShowS
[FilterOperation] -> ShowS
FilterOperation -> String
(Int -> FilterOperation -> ShowS)
-> (FilterOperation -> String)
-> ([FilterOperation] -> ShowS)
-> Show FilterOperation
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FilterOperation] -> ShowS
$cshowList :: [FilterOperation] -> ShowS
show :: FilterOperation -> String
$cshow :: FilterOperation -> String
showsPrec :: Int -> FilterOperation -> ShowS
$cshowsPrec :: Int -> FilterOperation -> ShowS
Prelude.Show, (forall x. FilterOperation -> Rep FilterOperation x)
-> (forall x. Rep FilterOperation x -> FilterOperation)
-> Generic FilterOperation
forall x. Rep FilterOperation x -> FilterOperation
forall x. FilterOperation -> Rep FilterOperation x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep FilterOperation x -> FilterOperation
$cfrom :: forall x. FilterOperation -> Rep FilterOperation x
Prelude.Generic)

-- |
-- Create a value of 'FilterOperation' 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:
--
-- 'conditionExpression', 'filterOperation_conditionExpression' - An expression that must evaluate to a Boolean value. Rows for which the
-- expression evaluates to true are kept in the dataset.
newFilterOperation ::
  -- | 'conditionExpression'
  Prelude.Text ->
  FilterOperation
newFilterOperation :: Text -> FilterOperation
newFilterOperation Text
pConditionExpression_ =
  FilterOperation' :: Text -> FilterOperation
FilterOperation'
    { $sel:conditionExpression:FilterOperation' :: Text
conditionExpression =
        Text
pConditionExpression_
    }

-- | An expression that must evaluate to a Boolean value. Rows for which the
-- expression evaluates to true are kept in the dataset.
filterOperation_conditionExpression :: Lens.Lens' FilterOperation Prelude.Text
filterOperation_conditionExpression :: (Text -> f Text) -> FilterOperation -> f FilterOperation
filterOperation_conditionExpression = (FilterOperation -> Text)
-> (FilterOperation -> Text -> FilterOperation)
-> Lens FilterOperation FilterOperation Text Text
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FilterOperation' {Text
conditionExpression :: Text
$sel:conditionExpression:FilterOperation' :: FilterOperation -> Text
conditionExpression} -> Text
conditionExpression) (\s :: FilterOperation
s@FilterOperation' {} Text
a -> FilterOperation
s {$sel:conditionExpression:FilterOperation' :: Text
conditionExpression = Text
a} :: FilterOperation)

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

instance Prelude.Hashable FilterOperation

instance Prelude.NFData FilterOperation

instance Core.ToJSON FilterOperation where
  toJSON :: FilterOperation -> Value
toJSON FilterOperation' {Text
conditionExpression :: Text
$sel:conditionExpression:FilterOperation' :: FilterOperation -> Text
..} =
    [Pair] -> Value
Core.object
      ( [Maybe Pair] -> [Pair]
forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ Pair -> Maybe Pair
forall a. a -> Maybe a
Prelude.Just
              (Text
"ConditionExpression" Text -> Text -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Text -> v -> kv
Core..= Text
conditionExpression)
          ]
      )