{-# 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.ECS.Types.TaskDefinitionPlacementConstraint
-- 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.ECS.Types.TaskDefinitionPlacementConstraint where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.ECS.Types.TaskDefinitionPlacementConstraintType
import qualified Amazonka.Prelude as Prelude

-- | An object representing a constraint on task placement in the task
-- definition. For more information, see
-- <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-constraints.html Task placement constraints>
-- in the /Amazon Elastic Container Service Developer Guide/.
--
-- Task placement constraints aren\'t supported for tasks run on Fargate.
--
-- /See:/ 'newTaskDefinitionPlacementConstraint' smart constructor.
data TaskDefinitionPlacementConstraint = TaskDefinitionPlacementConstraint'
  { -- | A cluster query language expression to apply to the constraint. For more
    -- information, see
    -- <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html Cluster query language>
    -- in the /Amazon Elastic Container Service Developer Guide/.
    TaskDefinitionPlacementConstraint -> Maybe Text
expression :: Prelude.Maybe Prelude.Text,
    -- | The type of constraint. The @MemberOf@ constraint restricts selection to
    -- be from a group of valid candidates.
    TaskDefinitionPlacementConstraint
-> Maybe TaskDefinitionPlacementConstraintType
type' :: Prelude.Maybe TaskDefinitionPlacementConstraintType
  }
  deriving (TaskDefinitionPlacementConstraint
-> TaskDefinitionPlacementConstraint -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: TaskDefinitionPlacementConstraint
-> TaskDefinitionPlacementConstraint -> Bool
$c/= :: TaskDefinitionPlacementConstraint
-> TaskDefinitionPlacementConstraint -> Bool
== :: TaskDefinitionPlacementConstraint
-> TaskDefinitionPlacementConstraint -> Bool
$c== :: TaskDefinitionPlacementConstraint
-> TaskDefinitionPlacementConstraint -> Bool
Prelude.Eq, ReadPrec [TaskDefinitionPlacementConstraint]
ReadPrec TaskDefinitionPlacementConstraint
Int -> ReadS TaskDefinitionPlacementConstraint
ReadS [TaskDefinitionPlacementConstraint]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [TaskDefinitionPlacementConstraint]
$creadListPrec :: ReadPrec [TaskDefinitionPlacementConstraint]
readPrec :: ReadPrec TaskDefinitionPlacementConstraint
$creadPrec :: ReadPrec TaskDefinitionPlacementConstraint
readList :: ReadS [TaskDefinitionPlacementConstraint]
$creadList :: ReadS [TaskDefinitionPlacementConstraint]
readsPrec :: Int -> ReadS TaskDefinitionPlacementConstraint
$creadsPrec :: Int -> ReadS TaskDefinitionPlacementConstraint
Prelude.Read, Int -> TaskDefinitionPlacementConstraint -> ShowS
[TaskDefinitionPlacementConstraint] -> ShowS
TaskDefinitionPlacementConstraint -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [TaskDefinitionPlacementConstraint] -> ShowS
$cshowList :: [TaskDefinitionPlacementConstraint] -> ShowS
show :: TaskDefinitionPlacementConstraint -> String
$cshow :: TaskDefinitionPlacementConstraint -> String
showsPrec :: Int -> TaskDefinitionPlacementConstraint -> ShowS
$cshowsPrec :: Int -> TaskDefinitionPlacementConstraint -> ShowS
Prelude.Show, forall x.
Rep TaskDefinitionPlacementConstraint x
-> TaskDefinitionPlacementConstraint
forall x.
TaskDefinitionPlacementConstraint
-> Rep TaskDefinitionPlacementConstraint x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep TaskDefinitionPlacementConstraint x
-> TaskDefinitionPlacementConstraint
$cfrom :: forall x.
TaskDefinitionPlacementConstraint
-> Rep TaskDefinitionPlacementConstraint x
Prelude.Generic)

-- |
-- Create a value of 'TaskDefinitionPlacementConstraint' 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:
--
-- 'expression', 'taskDefinitionPlacementConstraint_expression' - A cluster query language expression to apply to the constraint. For more
-- information, see
-- <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html Cluster query language>
-- in the /Amazon Elastic Container Service Developer Guide/.
--
-- 'type'', 'taskDefinitionPlacementConstraint_type' - The type of constraint. The @MemberOf@ constraint restricts selection to
-- be from a group of valid candidates.
newTaskDefinitionPlacementConstraint ::
  TaskDefinitionPlacementConstraint
newTaskDefinitionPlacementConstraint :: TaskDefinitionPlacementConstraint
newTaskDefinitionPlacementConstraint =
  TaskDefinitionPlacementConstraint'
    { $sel:expression:TaskDefinitionPlacementConstraint' :: Maybe Text
expression =
        forall a. Maybe a
Prelude.Nothing,
      $sel:type':TaskDefinitionPlacementConstraint' :: Maybe TaskDefinitionPlacementConstraintType
type' = forall a. Maybe a
Prelude.Nothing
    }

-- | A cluster query language expression to apply to the constraint. For more
-- information, see
-- <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html Cluster query language>
-- in the /Amazon Elastic Container Service Developer Guide/.
taskDefinitionPlacementConstraint_expression :: Lens.Lens' TaskDefinitionPlacementConstraint (Prelude.Maybe Prelude.Text)
taskDefinitionPlacementConstraint_expression :: Lens' TaskDefinitionPlacementConstraint (Maybe Text)
taskDefinitionPlacementConstraint_expression = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\TaskDefinitionPlacementConstraint' {Maybe Text
expression :: Maybe Text
$sel:expression:TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint -> Maybe Text
expression} -> Maybe Text
expression) (\s :: TaskDefinitionPlacementConstraint
s@TaskDefinitionPlacementConstraint' {} Maybe Text
a -> TaskDefinitionPlacementConstraint
s {$sel:expression:TaskDefinitionPlacementConstraint' :: Maybe Text
expression = Maybe Text
a} :: TaskDefinitionPlacementConstraint)

-- | The type of constraint. The @MemberOf@ constraint restricts selection to
-- be from a group of valid candidates.
taskDefinitionPlacementConstraint_type :: Lens.Lens' TaskDefinitionPlacementConstraint (Prelude.Maybe TaskDefinitionPlacementConstraintType)
taskDefinitionPlacementConstraint_type :: Lens'
  TaskDefinitionPlacementConstraint
  (Maybe TaskDefinitionPlacementConstraintType)
taskDefinitionPlacementConstraint_type = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\TaskDefinitionPlacementConstraint' {Maybe TaskDefinitionPlacementConstraintType
type' :: Maybe TaskDefinitionPlacementConstraintType
$sel:type':TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint
-> Maybe TaskDefinitionPlacementConstraintType
type'} -> Maybe TaskDefinitionPlacementConstraintType
type') (\s :: TaskDefinitionPlacementConstraint
s@TaskDefinitionPlacementConstraint' {} Maybe TaskDefinitionPlacementConstraintType
a -> TaskDefinitionPlacementConstraint
s {$sel:type':TaskDefinitionPlacementConstraint' :: Maybe TaskDefinitionPlacementConstraintType
type' = Maybe TaskDefinitionPlacementConstraintType
a} :: TaskDefinitionPlacementConstraint)

instance
  Data.FromJSON
    TaskDefinitionPlacementConstraint
  where
  parseJSON :: Value -> Parser TaskDefinitionPlacementConstraint
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"TaskDefinitionPlacementConstraint"
      ( \Object
x ->
          Maybe Text
-> Maybe TaskDefinitionPlacementConstraintType
-> TaskDefinitionPlacementConstraint
TaskDefinitionPlacementConstraint'
            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
"expression")
            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
"type")
      )

instance
  Prelude.Hashable
    TaskDefinitionPlacementConstraint
  where
  hashWithSalt :: Int -> TaskDefinitionPlacementConstraint -> Int
hashWithSalt
    Int
_salt
    TaskDefinitionPlacementConstraint' {Maybe Text
Maybe TaskDefinitionPlacementConstraintType
type' :: Maybe TaskDefinitionPlacementConstraintType
expression :: Maybe Text
$sel:type':TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint
-> Maybe TaskDefinitionPlacementConstraintType
$sel:expression:TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint -> Maybe Text
..} =
      Int
_salt
        forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
expression
        forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe TaskDefinitionPlacementConstraintType
type'

instance
  Prelude.NFData
    TaskDefinitionPlacementConstraint
  where
  rnf :: TaskDefinitionPlacementConstraint -> ()
rnf TaskDefinitionPlacementConstraint' {Maybe Text
Maybe TaskDefinitionPlacementConstraintType
type' :: Maybe TaskDefinitionPlacementConstraintType
expression :: Maybe Text
$sel:type':TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint
-> Maybe TaskDefinitionPlacementConstraintType
$sel:expression:TaskDefinitionPlacementConstraint' :: TaskDefinitionPlacementConstraint -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
expression
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe TaskDefinitionPlacementConstraintType
type'

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