{-# 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.ELB.Types.Instance
-- 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.ELB.Types.Instance where

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

-- | The ID of an EC2 instance.
--
-- /See:/ 'newInstance' smart constructor.
data Instance = Instance'
  { -- | The instance ID.
    Instance -> Maybe Text
instanceId :: Prelude.Maybe Prelude.Text
  }
  deriving (Instance -> Instance -> Bool
(Instance -> Instance -> Bool)
-> (Instance -> Instance -> Bool) -> Eq Instance
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Instance -> Instance -> Bool
$c/= :: Instance -> Instance -> Bool
== :: Instance -> Instance -> Bool
$c== :: Instance -> Instance -> Bool
Prelude.Eq, ReadPrec [Instance]
ReadPrec Instance
Int -> ReadS Instance
ReadS [Instance]
(Int -> ReadS Instance)
-> ReadS [Instance]
-> ReadPrec Instance
-> ReadPrec [Instance]
-> Read Instance
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Instance]
$creadListPrec :: ReadPrec [Instance]
readPrec :: ReadPrec Instance
$creadPrec :: ReadPrec Instance
readList :: ReadS [Instance]
$creadList :: ReadS [Instance]
readsPrec :: Int -> ReadS Instance
$creadsPrec :: Int -> ReadS Instance
Prelude.Read, Int -> Instance -> ShowS
[Instance] -> ShowS
Instance -> String
(Int -> Instance -> ShowS)
-> (Instance -> String) -> ([Instance] -> ShowS) -> Show Instance
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Instance] -> ShowS
$cshowList :: [Instance] -> ShowS
show :: Instance -> String
$cshow :: Instance -> String
showsPrec :: Int -> Instance -> ShowS
$cshowsPrec :: Int -> Instance -> ShowS
Prelude.Show, (forall x. Instance -> Rep Instance x)
-> (forall x. Rep Instance x -> Instance) -> Generic Instance
forall x. Rep Instance x -> Instance
forall x. Instance -> Rep Instance x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Instance x -> Instance
$cfrom :: forall x. Instance -> Rep Instance x
Prelude.Generic)

-- |
-- Create a value of 'Instance' 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:
--
-- 'instanceId', 'instance_instanceId' - The instance ID.
newInstance ::
  Instance
newInstance :: Instance
newInstance = Instance' :: Maybe Text -> Instance
Instance' {$sel:instanceId:Instance' :: Maybe Text
instanceId = Maybe Text
forall a. Maybe a
Prelude.Nothing}

-- | The instance ID.
instance_instanceId :: Lens.Lens' Instance (Prelude.Maybe Prelude.Text)
instance_instanceId :: (Maybe Text -> f (Maybe Text)) -> Instance -> f Instance
instance_instanceId = (Instance -> Maybe Text)
-> (Instance -> Maybe Text -> Instance)
-> Lens Instance Instance (Maybe Text) (Maybe Text)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Instance' {Maybe Text
instanceId :: Maybe Text
$sel:instanceId:Instance' :: Instance -> Maybe Text
instanceId} -> Maybe Text
instanceId) (\s :: Instance
s@Instance' {} Maybe Text
a -> Instance
s {$sel:instanceId:Instance' :: Maybe Text
instanceId = Maybe Text
a} :: Instance)

instance Core.FromXML Instance where
  parseXML :: [Node] -> Either String Instance
parseXML [Node]
x =
    Maybe Text -> Instance
Instance' (Maybe Text -> Instance)
-> Either String (Maybe Text) -> Either String Instance
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ([Node]
x [Node] -> Text -> Either String (Maybe Text)
forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Core..@? Text
"InstanceId")

instance Prelude.Hashable Instance

instance Prelude.NFData Instance

instance Core.ToQuery Instance where
  toQuery :: Instance -> QueryString
toQuery Instance' {Maybe Text
instanceId :: Maybe Text
$sel:instanceId:Instance' :: Instance -> Maybe Text
..} =
    [QueryString] -> QueryString
forall a. Monoid a => [a] -> a
Prelude.mconcat [ByteString
"InstanceId" ByteString -> Maybe Text -> QueryString
forall a. ToQuery a => ByteString -> a -> QueryString
Core.=: Maybe Text
instanceId]