{-# 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.CloudWatch.Types.MetricStreamFilter
-- 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.CloudWatch.Types.MetricStreamFilter where

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

-- | This structure contains the name of one of the metric namespaces that is
-- listed in a filter of a metric stream.
--
-- /See:/ 'newMetricStreamFilter' smart constructor.
data MetricStreamFilter = MetricStreamFilter'
  { -- | The name of the metric namespace in the filter.
    MetricStreamFilter -> Maybe Text
namespace :: Prelude.Maybe Prelude.Text
  }
  deriving (MetricStreamFilter -> MetricStreamFilter -> Bool
(MetricStreamFilter -> MetricStreamFilter -> Bool)
-> (MetricStreamFilter -> MetricStreamFilter -> Bool)
-> Eq MetricStreamFilter
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: MetricStreamFilter -> MetricStreamFilter -> Bool
$c/= :: MetricStreamFilter -> MetricStreamFilter -> Bool
== :: MetricStreamFilter -> MetricStreamFilter -> Bool
$c== :: MetricStreamFilter -> MetricStreamFilter -> Bool
Prelude.Eq, ReadPrec [MetricStreamFilter]
ReadPrec MetricStreamFilter
Int -> ReadS MetricStreamFilter
ReadS [MetricStreamFilter]
(Int -> ReadS MetricStreamFilter)
-> ReadS [MetricStreamFilter]
-> ReadPrec MetricStreamFilter
-> ReadPrec [MetricStreamFilter]
-> Read MetricStreamFilter
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [MetricStreamFilter]
$creadListPrec :: ReadPrec [MetricStreamFilter]
readPrec :: ReadPrec MetricStreamFilter
$creadPrec :: ReadPrec MetricStreamFilter
readList :: ReadS [MetricStreamFilter]
$creadList :: ReadS [MetricStreamFilter]
readsPrec :: Int -> ReadS MetricStreamFilter
$creadsPrec :: Int -> ReadS MetricStreamFilter
Prelude.Read, Int -> MetricStreamFilter -> ShowS
[MetricStreamFilter] -> ShowS
MetricStreamFilter -> String
(Int -> MetricStreamFilter -> ShowS)
-> (MetricStreamFilter -> String)
-> ([MetricStreamFilter] -> ShowS)
-> Show MetricStreamFilter
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [MetricStreamFilter] -> ShowS
$cshowList :: [MetricStreamFilter] -> ShowS
show :: MetricStreamFilter -> String
$cshow :: MetricStreamFilter -> String
showsPrec :: Int -> MetricStreamFilter -> ShowS
$cshowsPrec :: Int -> MetricStreamFilter -> ShowS
Prelude.Show, (forall x. MetricStreamFilter -> Rep MetricStreamFilter x)
-> (forall x. Rep MetricStreamFilter x -> MetricStreamFilter)
-> Generic MetricStreamFilter
forall x. Rep MetricStreamFilter x -> MetricStreamFilter
forall x. MetricStreamFilter -> Rep MetricStreamFilter x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep MetricStreamFilter x -> MetricStreamFilter
$cfrom :: forall x. MetricStreamFilter -> Rep MetricStreamFilter x
Prelude.Generic)

-- |
-- Create a value of 'MetricStreamFilter' 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:
--
-- 'namespace', 'metricStreamFilter_namespace' - The name of the metric namespace in the filter.
newMetricStreamFilter ::
  MetricStreamFilter
newMetricStreamFilter :: MetricStreamFilter
newMetricStreamFilter =
  MetricStreamFilter' :: Maybe Text -> MetricStreamFilter
MetricStreamFilter' {$sel:namespace:MetricStreamFilter' :: Maybe Text
namespace = Maybe Text
forall a. Maybe a
Prelude.Nothing}

-- | The name of the metric namespace in the filter.
metricStreamFilter_namespace :: Lens.Lens' MetricStreamFilter (Prelude.Maybe Prelude.Text)
metricStreamFilter_namespace :: (Maybe Text -> f (Maybe Text))
-> MetricStreamFilter -> f MetricStreamFilter
metricStreamFilter_namespace = (MetricStreamFilter -> Maybe Text)
-> (MetricStreamFilter -> Maybe Text -> MetricStreamFilter)
-> Lens
     MetricStreamFilter MetricStreamFilter (Maybe Text) (Maybe Text)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\MetricStreamFilter' {Maybe Text
namespace :: Maybe Text
$sel:namespace:MetricStreamFilter' :: MetricStreamFilter -> Maybe Text
namespace} -> Maybe Text
namespace) (\s :: MetricStreamFilter
s@MetricStreamFilter' {} Maybe Text
a -> MetricStreamFilter
s {$sel:namespace:MetricStreamFilter' :: Maybe Text
namespace = Maybe Text
a} :: MetricStreamFilter)

instance Core.FromXML MetricStreamFilter where
  parseXML :: [Node] -> Either String MetricStreamFilter
parseXML [Node]
x =
    Maybe Text -> MetricStreamFilter
MetricStreamFilter'
      (Maybe Text -> MetricStreamFilter)
-> Either String (Maybe Text) -> Either String MetricStreamFilter
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
"Namespace")

instance Prelude.Hashable MetricStreamFilter

instance Prelude.NFData MetricStreamFilter

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