{-# 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.Glue.Types.FilterExpression
-- 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.Glue.Types.FilterExpression where

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

-- | Specifies a filter expression.
--
-- /See:/ 'newFilterExpression' smart constructor.
data FilterExpression = FilterExpression'
  { -- | Whether the expression is to be negated.
    FilterExpression -> Maybe Bool
negated :: Prelude.Maybe Prelude.Bool,
    -- | The type of operation to perform in the expression.
    FilterExpression -> FilterOperation
operation :: FilterOperation,
    -- | A list of filter values.
    FilterExpression -> [FilterValue]
values :: [FilterValue]
  }
  deriving (FilterExpression -> FilterExpression -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: FilterExpression -> FilterExpression -> Bool
$c/= :: FilterExpression -> FilterExpression -> Bool
== :: FilterExpression -> FilterExpression -> Bool
$c== :: FilterExpression -> FilterExpression -> Bool
Prelude.Eq, ReadPrec [FilterExpression]
ReadPrec FilterExpression
Int -> ReadS FilterExpression
ReadS [FilterExpression]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [FilterExpression]
$creadListPrec :: ReadPrec [FilterExpression]
readPrec :: ReadPrec FilterExpression
$creadPrec :: ReadPrec FilterExpression
readList :: ReadS [FilterExpression]
$creadList :: ReadS [FilterExpression]
readsPrec :: Int -> ReadS FilterExpression
$creadsPrec :: Int -> ReadS FilterExpression
Prelude.Read, Int -> FilterExpression -> ShowS
[FilterExpression] -> ShowS
FilterExpression -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [FilterExpression] -> ShowS
$cshowList :: [FilterExpression] -> ShowS
show :: FilterExpression -> String
$cshow :: FilterExpression -> String
showsPrec :: Int -> FilterExpression -> ShowS
$cshowsPrec :: Int -> FilterExpression -> ShowS
Prelude.Show, forall x. Rep FilterExpression x -> FilterExpression
forall x. FilterExpression -> Rep FilterExpression x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep FilterExpression x -> FilterExpression
$cfrom :: forall x. FilterExpression -> Rep FilterExpression x
Prelude.Generic)

-- |
-- Create a value of 'FilterExpression' 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:
--
-- 'negated', 'filterExpression_negated' - Whether the expression is to be negated.
--
-- 'operation', 'filterExpression_operation' - The type of operation to perform in the expression.
--
-- 'values', 'filterExpression_values' - A list of filter values.
newFilterExpression ::
  -- | 'operation'
  FilterOperation ->
  FilterExpression
newFilterExpression :: FilterOperation -> FilterExpression
newFilterExpression FilterOperation
pOperation_ =
  FilterExpression'
    { $sel:negated:FilterExpression' :: Maybe Bool
negated = forall a. Maybe a
Prelude.Nothing,
      $sel:operation:FilterExpression' :: FilterOperation
operation = FilterOperation
pOperation_,
      $sel:values:FilterExpression' :: [FilterValue]
values = forall a. Monoid a => a
Prelude.mempty
    }

-- | Whether the expression is to be negated.
filterExpression_negated :: Lens.Lens' FilterExpression (Prelude.Maybe Prelude.Bool)
filterExpression_negated :: Lens' FilterExpression (Maybe Bool)
filterExpression_negated = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FilterExpression' {Maybe Bool
negated :: Maybe Bool
$sel:negated:FilterExpression' :: FilterExpression -> Maybe Bool
negated} -> Maybe Bool
negated) (\s :: FilterExpression
s@FilterExpression' {} Maybe Bool
a -> FilterExpression
s {$sel:negated:FilterExpression' :: Maybe Bool
negated = Maybe Bool
a} :: FilterExpression)

-- | The type of operation to perform in the expression.
filterExpression_operation :: Lens.Lens' FilterExpression FilterOperation
filterExpression_operation :: Lens' FilterExpression FilterOperation
filterExpression_operation = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FilterExpression' {FilterOperation
operation :: FilterOperation
$sel:operation:FilterExpression' :: FilterExpression -> FilterOperation
operation} -> FilterOperation
operation) (\s :: FilterExpression
s@FilterExpression' {} FilterOperation
a -> FilterExpression
s {$sel:operation:FilterExpression' :: FilterOperation
operation = FilterOperation
a} :: FilterExpression)

-- | A list of filter values.
filterExpression_values :: Lens.Lens' FilterExpression [FilterValue]
filterExpression_values :: Lens' FilterExpression [FilterValue]
filterExpression_values = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\FilterExpression' {[FilterValue]
values :: [FilterValue]
$sel:values:FilterExpression' :: FilterExpression -> [FilterValue]
values} -> [FilterValue]
values) (\s :: FilterExpression
s@FilterExpression' {} [FilterValue]
a -> FilterExpression
s {$sel:values:FilterExpression' :: [FilterValue]
values = [FilterValue]
a} :: FilterExpression) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

instance Data.FromJSON FilterExpression where
  parseJSON :: Value -> Parser FilterExpression
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"FilterExpression"
      ( \Object
x ->
          Maybe Bool -> FilterOperation -> [FilterValue] -> FilterExpression
FilterExpression'
            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
"Negated")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Parser a
Data..: Key
"Operation")
            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
"Values" forall a. Parser (Maybe a) -> a -> Parser a
Data..!= forall a. Monoid a => a
Prelude.mempty)
      )

instance Prelude.Hashable FilterExpression where
  hashWithSalt :: Int -> FilterExpression -> Int
hashWithSalt Int
_salt FilterExpression' {[FilterValue]
Maybe Bool
FilterOperation
values :: [FilterValue]
operation :: FilterOperation
negated :: Maybe Bool
$sel:values:FilterExpression' :: FilterExpression -> [FilterValue]
$sel:operation:FilterExpression' :: FilterExpression -> FilterOperation
$sel:negated:FilterExpression' :: FilterExpression -> Maybe Bool
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Bool
negated
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` FilterOperation
operation
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` [FilterValue]
values

instance Prelude.NFData FilterExpression where
  rnf :: FilterExpression -> ()
rnf FilterExpression' {[FilterValue]
Maybe Bool
FilterOperation
values :: [FilterValue]
operation :: FilterOperation
negated :: Maybe Bool
$sel:values:FilterExpression' :: FilterExpression -> [FilterValue]
$sel:operation:FilterExpression' :: FilterExpression -> FilterOperation
$sel:negated:FilterExpression' :: FilterExpression -> Maybe Bool
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Bool
negated
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf FilterOperation
operation
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf [FilterValue]
values

instance Data.ToJSON FilterExpression where
  toJSON :: FilterExpression -> Value
toJSON FilterExpression' {[FilterValue]
Maybe Bool
FilterOperation
values :: [FilterValue]
operation :: FilterOperation
negated :: Maybe Bool
$sel:values:FilterExpression' :: FilterExpression -> [FilterValue]
$sel:operation:FilterExpression' :: FilterExpression -> FilterOperation
$sel:negated:FilterExpression' :: FilterExpression -> Maybe Bool
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"Negated" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Bool
negated,
            forall a. a -> Maybe a
Prelude.Just (Key
"Operation" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= FilterOperation
operation),
            forall a. a -> Maybe a
Prelude.Just (Key
"Values" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= [FilterValue]
values)
          ]
      )