{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.Neptune.DescribeDBInstances
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns information about provisioned instances, and supports
-- pagination.
--
-- This operation can also return information for Amazon RDS instances and
-- Amazon DocDB instances.
--
-- This operation returns paginated results.
module Amazonka.Neptune.DescribeDBInstances
  ( -- * Creating a Request
    DescribeDBInstances (..),
    newDescribeDBInstances,

    -- * Request Lenses
    describeDBInstances_dbInstanceIdentifier,
    describeDBInstances_filters,
    describeDBInstances_marker,
    describeDBInstances_maxRecords,

    -- * Destructuring the Response
    DescribeDBInstancesResponse (..),
    newDescribeDBInstancesResponse,

    -- * Response Lenses
    describeDBInstancesResponse_dbInstances,
    describeDBInstancesResponse_marker,
    describeDBInstancesResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Neptune.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeDBInstances' smart constructor.
data DescribeDBInstances = DescribeDBInstances'
  { -- | The user-supplied instance identifier. If this parameter is specified,
    -- information from only the specific DB instance is returned. This
    -- parameter isn\'t case-sensitive.
    --
    -- Constraints:
    --
    -- -   If supplied, must match the identifier of an existing DBInstance.
    DescribeDBInstances -> Maybe Text
dbInstanceIdentifier :: Prelude.Maybe Prelude.Text,
    -- | A filter that specifies one or more DB instances to describe.
    --
    -- Supported filters:
    --
    -- -   @db-cluster-id@ - Accepts DB cluster identifiers and DB cluster
    --     Amazon Resource Names (ARNs). The results list will only include
    --     information about the DB instances associated with the DB clusters
    --     identified by these ARNs.
    --
    -- -   @engine@ - Accepts an engine name (such as @neptune@), and restricts
    --     the results list to DB instances created by that engine.
    --
    -- For example, to invoke this API from the Amazon CLI and filter so that
    -- only Neptune DB instances are returned, you could use the following
    -- command:
    DescribeDBInstances -> Maybe [Filter]
filters :: Prelude.Maybe [Filter],
    -- | An optional pagination token provided by a previous
    -- @DescribeDBInstances@ request. If this parameter is specified, the
    -- response includes only records beyond the marker, up to the value
    -- specified by @MaxRecords@.
    DescribeDBInstances -> Maybe Text
marker :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of records to include in the response. If more
    -- records exist than the specified @MaxRecords@ value, a pagination token
    -- called a marker is included in the response so that the remaining
    -- results can be retrieved.
    --
    -- Default: 100
    --
    -- Constraints: Minimum 20, maximum 100.
    DescribeDBInstances -> Maybe Int
maxRecords :: Prelude.Maybe Prelude.Int
  }
  deriving (DescribeDBInstances -> DescribeDBInstances -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeDBInstances -> DescribeDBInstances -> Bool
$c/= :: DescribeDBInstances -> DescribeDBInstances -> Bool
== :: DescribeDBInstances -> DescribeDBInstances -> Bool
$c== :: DescribeDBInstances -> DescribeDBInstances -> Bool
Prelude.Eq, ReadPrec [DescribeDBInstances]
ReadPrec DescribeDBInstances
Int -> ReadS DescribeDBInstances
ReadS [DescribeDBInstances]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeDBInstances]
$creadListPrec :: ReadPrec [DescribeDBInstances]
readPrec :: ReadPrec DescribeDBInstances
$creadPrec :: ReadPrec DescribeDBInstances
readList :: ReadS [DescribeDBInstances]
$creadList :: ReadS [DescribeDBInstances]
readsPrec :: Int -> ReadS DescribeDBInstances
$creadsPrec :: Int -> ReadS DescribeDBInstances
Prelude.Read, Int -> DescribeDBInstances -> ShowS
[DescribeDBInstances] -> ShowS
DescribeDBInstances -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeDBInstances] -> ShowS
$cshowList :: [DescribeDBInstances] -> ShowS
show :: DescribeDBInstances -> String
$cshow :: DescribeDBInstances -> String
showsPrec :: Int -> DescribeDBInstances -> ShowS
$cshowsPrec :: Int -> DescribeDBInstances -> ShowS
Prelude.Show, forall x. Rep DescribeDBInstances x -> DescribeDBInstances
forall x. DescribeDBInstances -> Rep DescribeDBInstances x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeDBInstances x -> DescribeDBInstances
$cfrom :: forall x. DescribeDBInstances -> Rep DescribeDBInstances x
Prelude.Generic)

-- |
-- Create a value of 'DescribeDBInstances' 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:
--
-- 'dbInstanceIdentifier', 'describeDBInstances_dbInstanceIdentifier' - The user-supplied instance identifier. If this parameter is specified,
-- information from only the specific DB instance is returned. This
-- parameter isn\'t case-sensitive.
--
-- Constraints:
--
-- -   If supplied, must match the identifier of an existing DBInstance.
--
-- 'filters', 'describeDBInstances_filters' - A filter that specifies one or more DB instances to describe.
--
-- Supported filters:
--
-- -   @db-cluster-id@ - Accepts DB cluster identifiers and DB cluster
--     Amazon Resource Names (ARNs). The results list will only include
--     information about the DB instances associated with the DB clusters
--     identified by these ARNs.
--
-- -   @engine@ - Accepts an engine name (such as @neptune@), and restricts
--     the results list to DB instances created by that engine.
--
-- For example, to invoke this API from the Amazon CLI and filter so that
-- only Neptune DB instances are returned, you could use the following
-- command:
--
-- 'marker', 'describeDBInstances_marker' - An optional pagination token provided by a previous
-- @DescribeDBInstances@ request. If this parameter is specified, the
-- response includes only records beyond the marker, up to the value
-- specified by @MaxRecords@.
--
-- 'maxRecords', 'describeDBInstances_maxRecords' - The maximum number of records to include in the response. If more
-- records exist than the specified @MaxRecords@ value, a pagination token
-- called a marker is included in the response so that the remaining
-- results can be retrieved.
--
-- Default: 100
--
-- Constraints: Minimum 20, maximum 100.
newDescribeDBInstances ::
  DescribeDBInstances
newDescribeDBInstances :: DescribeDBInstances
newDescribeDBInstances =
  DescribeDBInstances'
    { $sel:dbInstanceIdentifier:DescribeDBInstances' :: Maybe Text
dbInstanceIdentifier =
        forall a. Maybe a
Prelude.Nothing,
      $sel:filters:DescribeDBInstances' :: Maybe [Filter]
filters = forall a. Maybe a
Prelude.Nothing,
      $sel:marker:DescribeDBInstances' :: Maybe Text
marker = forall a. Maybe a
Prelude.Nothing,
      $sel:maxRecords:DescribeDBInstances' :: Maybe Int
maxRecords = forall a. Maybe a
Prelude.Nothing
    }

-- | The user-supplied instance identifier. If this parameter is specified,
-- information from only the specific DB instance is returned. This
-- parameter isn\'t case-sensitive.
--
-- Constraints:
--
-- -   If supplied, must match the identifier of an existing DBInstance.
describeDBInstances_dbInstanceIdentifier :: Lens.Lens' DescribeDBInstances (Prelude.Maybe Prelude.Text)
describeDBInstances_dbInstanceIdentifier :: Lens' DescribeDBInstances (Maybe Text)
describeDBInstances_dbInstanceIdentifier = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstances' {Maybe Text
dbInstanceIdentifier :: Maybe Text
$sel:dbInstanceIdentifier:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
dbInstanceIdentifier} -> Maybe Text
dbInstanceIdentifier) (\s :: DescribeDBInstances
s@DescribeDBInstances' {} Maybe Text
a -> DescribeDBInstances
s {$sel:dbInstanceIdentifier:DescribeDBInstances' :: Maybe Text
dbInstanceIdentifier = Maybe Text
a} :: DescribeDBInstances)

-- | A filter that specifies one or more DB instances to describe.
--
-- Supported filters:
--
-- -   @db-cluster-id@ - Accepts DB cluster identifiers and DB cluster
--     Amazon Resource Names (ARNs). The results list will only include
--     information about the DB instances associated with the DB clusters
--     identified by these ARNs.
--
-- -   @engine@ - Accepts an engine name (such as @neptune@), and restricts
--     the results list to DB instances created by that engine.
--
-- For example, to invoke this API from the Amazon CLI and filter so that
-- only Neptune DB instances are returned, you could use the following
-- command:
describeDBInstances_filters :: Lens.Lens' DescribeDBInstances (Prelude.Maybe [Filter])
describeDBInstances_filters :: Lens' DescribeDBInstances (Maybe [Filter])
describeDBInstances_filters = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstances' {Maybe [Filter]
filters :: Maybe [Filter]
$sel:filters:DescribeDBInstances' :: DescribeDBInstances -> Maybe [Filter]
filters} -> Maybe [Filter]
filters) (\s :: DescribeDBInstances
s@DescribeDBInstances' {} Maybe [Filter]
a -> DescribeDBInstances
s {$sel:filters:DescribeDBInstances' :: Maybe [Filter]
filters = Maybe [Filter]
a} :: DescribeDBInstances) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

-- | An optional pagination token provided by a previous
-- @DescribeDBInstances@ request. If this parameter is specified, the
-- response includes only records beyond the marker, up to the value
-- specified by @MaxRecords@.
describeDBInstances_marker :: Lens.Lens' DescribeDBInstances (Prelude.Maybe Prelude.Text)
describeDBInstances_marker :: Lens' DescribeDBInstances (Maybe Text)
describeDBInstances_marker = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstances' {Maybe Text
marker :: Maybe Text
$sel:marker:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
marker} -> Maybe Text
marker) (\s :: DescribeDBInstances
s@DescribeDBInstances' {} Maybe Text
a -> DescribeDBInstances
s {$sel:marker:DescribeDBInstances' :: Maybe Text
marker = Maybe Text
a} :: DescribeDBInstances)

-- | The maximum number of records to include in the response. If more
-- records exist than the specified @MaxRecords@ value, a pagination token
-- called a marker is included in the response so that the remaining
-- results can be retrieved.
--
-- Default: 100
--
-- Constraints: Minimum 20, maximum 100.
describeDBInstances_maxRecords :: Lens.Lens' DescribeDBInstances (Prelude.Maybe Prelude.Int)
describeDBInstances_maxRecords :: Lens' DescribeDBInstances (Maybe Int)
describeDBInstances_maxRecords = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstances' {Maybe Int
maxRecords :: Maybe Int
$sel:maxRecords:DescribeDBInstances' :: DescribeDBInstances -> Maybe Int
maxRecords} -> Maybe Int
maxRecords) (\s :: DescribeDBInstances
s@DescribeDBInstances' {} Maybe Int
a -> DescribeDBInstances
s {$sel:maxRecords:DescribeDBInstances' :: Maybe Int
maxRecords = Maybe Int
a} :: DescribeDBInstances)

instance Core.AWSPager DescribeDBInstances where
  page :: DescribeDBInstances
-> AWSResponse DescribeDBInstances -> Maybe DescribeDBInstances
page DescribeDBInstances
rq AWSResponse DescribeDBInstances
rs
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse DescribeDBInstances
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' DescribeDBInstancesResponse (Maybe Text)
describeDBInstancesResponse_marker
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse DescribeDBInstances
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' DescribeDBInstancesResponse (Maybe [DBInstance])
describeDBInstancesResponse_dbInstances
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | Bool
Prelude.otherwise =
        forall a. a -> Maybe a
Prelude.Just
          forall a b. (a -> b) -> a -> b
Prelude.$ DescribeDBInstances
rq
          forall a b. a -> (a -> b) -> b
Prelude.& Lens' DescribeDBInstances (Maybe Text)
describeDBInstances_marker
          forall s t a b. ASetter s t a b -> b -> s -> t
Lens..~ AWSResponse DescribeDBInstances
rs
          forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' DescribeDBInstancesResponse (Maybe Text)
describeDBInstancesResponse_marker
          forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just

instance Core.AWSRequest DescribeDBInstances where
  type
    AWSResponse DescribeDBInstances =
      DescribeDBInstancesResponse
  request :: (Service -> Service)
-> DescribeDBInstances -> Request DescribeDBInstances
request Service -> Service
overrides =
    forall a. ToRequest a => Service -> a -> Request a
Request.postQuery (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy DescribeDBInstances
-> ClientResponse ClientBody
-> m (Either
        Error (ClientResponse (AWSResponse DescribeDBInstances)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
Text
-> (Int
    -> ResponseHeaders -> [Node] -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveXMLWrapper
      Text
"DescribeDBInstancesResult"
      ( \Int
s ResponseHeaders
h [Node]
x ->
          Maybe [DBInstance]
-> Maybe Text -> Int -> DescribeDBInstancesResponse
DescribeDBInstancesResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> ( [Node]
x
                            forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"DBInstances"
                            forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty
                            forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
Prelude.>>= forall (f :: * -> *) a b.
Applicative f =>
([a] -> f b) -> [a] -> f (Maybe b)
Core.may (forall a. FromXML a => Text -> [Node] -> Either String [a]
Data.parseXMLList Text
"DBInstance")
                        )
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> ([Node]
x forall a. FromXML a => [Node] -> Text -> Either String (Maybe a)
Data..@? Text
"Marker")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance Prelude.Hashable DescribeDBInstances where
  hashWithSalt :: Int -> DescribeDBInstances -> Int
hashWithSalt Int
_salt DescribeDBInstances' {Maybe Int
Maybe [Filter]
Maybe Text
maxRecords :: Maybe Int
marker :: Maybe Text
filters :: Maybe [Filter]
dbInstanceIdentifier :: Maybe Text
$sel:maxRecords:DescribeDBInstances' :: DescribeDBInstances -> Maybe Int
$sel:marker:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
$sel:filters:DescribeDBInstances' :: DescribeDBInstances -> Maybe [Filter]
$sel:dbInstanceIdentifier:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
dbInstanceIdentifier
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe [Filter]
filters
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
marker
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Int
maxRecords

instance Prelude.NFData DescribeDBInstances where
  rnf :: DescribeDBInstances -> ()
rnf DescribeDBInstances' {Maybe Int
Maybe [Filter]
Maybe Text
maxRecords :: Maybe Int
marker :: Maybe Text
filters :: Maybe [Filter]
dbInstanceIdentifier :: Maybe Text
$sel:maxRecords:DescribeDBInstances' :: DescribeDBInstances -> Maybe Int
$sel:marker:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
$sel:filters:DescribeDBInstances' :: DescribeDBInstances -> Maybe [Filter]
$sel:dbInstanceIdentifier:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
dbInstanceIdentifier
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe [Filter]
filters
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
marker
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Int
maxRecords

instance Data.ToHeaders DescribeDBInstances where
  toHeaders :: DescribeDBInstances -> ResponseHeaders
toHeaders = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

instance Data.ToPath DescribeDBInstances where
  toPath :: DescribeDBInstances -> ByteString
toPath = forall a b. a -> b -> a
Prelude.const ByteString
"/"

instance Data.ToQuery DescribeDBInstances where
  toQuery :: DescribeDBInstances -> QueryString
toQuery DescribeDBInstances' {Maybe Int
Maybe [Filter]
Maybe Text
maxRecords :: Maybe Int
marker :: Maybe Text
filters :: Maybe [Filter]
dbInstanceIdentifier :: Maybe Text
$sel:maxRecords:DescribeDBInstances' :: DescribeDBInstances -> Maybe Int
$sel:marker:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
$sel:filters:DescribeDBInstances' :: DescribeDBInstances -> Maybe [Filter]
$sel:dbInstanceIdentifier:DescribeDBInstances' :: DescribeDBInstances -> Maybe Text
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ ByteString
"Action"
          forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: (ByteString
"DescribeDBInstances" :: Prelude.ByteString),
        ByteString
"Version"
          forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: (ByteString
"2014-10-31" :: Prelude.ByteString),
        ByteString
"DBInstanceIdentifier" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
dbInstanceIdentifier,
        ByteString
"Filters"
          forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: forall a. ToQuery a => a -> QueryString
Data.toQuery
            (forall a.
(IsList a, ToQuery (Item a)) =>
ByteString -> a -> QueryString
Data.toQueryList ByteString
"Filter" forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe [Filter]
filters),
        ByteString
"Marker" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
marker,
        ByteString
"MaxRecords" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Int
maxRecords
      ]

-- | /See:/ 'newDescribeDBInstancesResponse' smart constructor.
data DescribeDBInstancesResponse = DescribeDBInstancesResponse'
  { -- | A list of DBInstance instances.
    DescribeDBInstancesResponse -> Maybe [DBInstance]
dbInstances :: Prelude.Maybe [DBInstance],
    -- | An optional pagination token provided by a previous request. If this
    -- parameter is specified, the response includes only records beyond the
    -- marker, up to the value specified by @MaxRecords@ .
    DescribeDBInstancesResponse -> Maybe Text
marker :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    DescribeDBInstancesResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (DescribeDBInstancesResponse -> DescribeDBInstancesResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeDBInstancesResponse -> DescribeDBInstancesResponse -> Bool
$c/= :: DescribeDBInstancesResponse -> DescribeDBInstancesResponse -> Bool
== :: DescribeDBInstancesResponse -> DescribeDBInstancesResponse -> Bool
$c== :: DescribeDBInstancesResponse -> DescribeDBInstancesResponse -> Bool
Prelude.Eq, ReadPrec [DescribeDBInstancesResponse]
ReadPrec DescribeDBInstancesResponse
Int -> ReadS DescribeDBInstancesResponse
ReadS [DescribeDBInstancesResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeDBInstancesResponse]
$creadListPrec :: ReadPrec [DescribeDBInstancesResponse]
readPrec :: ReadPrec DescribeDBInstancesResponse
$creadPrec :: ReadPrec DescribeDBInstancesResponse
readList :: ReadS [DescribeDBInstancesResponse]
$creadList :: ReadS [DescribeDBInstancesResponse]
readsPrec :: Int -> ReadS DescribeDBInstancesResponse
$creadsPrec :: Int -> ReadS DescribeDBInstancesResponse
Prelude.Read, Int -> DescribeDBInstancesResponse -> ShowS
[DescribeDBInstancesResponse] -> ShowS
DescribeDBInstancesResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeDBInstancesResponse] -> ShowS
$cshowList :: [DescribeDBInstancesResponse] -> ShowS
show :: DescribeDBInstancesResponse -> String
$cshow :: DescribeDBInstancesResponse -> String
showsPrec :: Int -> DescribeDBInstancesResponse -> ShowS
$cshowsPrec :: Int -> DescribeDBInstancesResponse -> ShowS
Prelude.Show, forall x.
Rep DescribeDBInstancesResponse x -> DescribeDBInstancesResponse
forall x.
DescribeDBInstancesResponse -> Rep DescribeDBInstancesResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep DescribeDBInstancesResponse x -> DescribeDBInstancesResponse
$cfrom :: forall x.
DescribeDBInstancesResponse -> Rep DescribeDBInstancesResponse x
Prelude.Generic)

-- |
-- Create a value of 'DescribeDBInstancesResponse' 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:
--
-- 'dbInstances', 'describeDBInstancesResponse_dbInstances' - A list of DBInstance instances.
--
-- 'marker', 'describeDBInstancesResponse_marker' - An optional pagination token provided by a previous request. If this
-- parameter is specified, the response includes only records beyond the
-- marker, up to the value specified by @MaxRecords@ .
--
-- 'httpStatus', 'describeDBInstancesResponse_httpStatus' - The response's http status code.
newDescribeDBInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeDBInstancesResponse
newDescribeDBInstancesResponse :: Int -> DescribeDBInstancesResponse
newDescribeDBInstancesResponse Int
pHttpStatus_ =
  DescribeDBInstancesResponse'
    { $sel:dbInstances:DescribeDBInstancesResponse' :: Maybe [DBInstance]
dbInstances =
        forall a. Maybe a
Prelude.Nothing,
      $sel:marker:DescribeDBInstancesResponse' :: Maybe Text
marker = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:DescribeDBInstancesResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | A list of DBInstance instances.
describeDBInstancesResponse_dbInstances :: Lens.Lens' DescribeDBInstancesResponse (Prelude.Maybe [DBInstance])
describeDBInstancesResponse_dbInstances :: Lens' DescribeDBInstancesResponse (Maybe [DBInstance])
describeDBInstancesResponse_dbInstances = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstancesResponse' {Maybe [DBInstance]
dbInstances :: Maybe [DBInstance]
$sel:dbInstances:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Maybe [DBInstance]
dbInstances} -> Maybe [DBInstance]
dbInstances) (\s :: DescribeDBInstancesResponse
s@DescribeDBInstancesResponse' {} Maybe [DBInstance]
a -> DescribeDBInstancesResponse
s {$sel:dbInstances:DescribeDBInstancesResponse' :: Maybe [DBInstance]
dbInstances = Maybe [DBInstance]
a} :: DescribeDBInstancesResponse) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall (f :: * -> *) (g :: * -> *) s t a b.
(Functor f, Functor g) =>
AnIso s t a b -> Iso (f s) (g t) (f a) (g b)
Lens.mapping forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

-- | An optional pagination token provided by a previous request. If this
-- parameter is specified, the response includes only records beyond the
-- marker, up to the value specified by @MaxRecords@ .
describeDBInstancesResponse_marker :: Lens.Lens' DescribeDBInstancesResponse (Prelude.Maybe Prelude.Text)
describeDBInstancesResponse_marker :: Lens' DescribeDBInstancesResponse (Maybe Text)
describeDBInstancesResponse_marker = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstancesResponse' {Maybe Text
marker :: Maybe Text
$sel:marker:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Maybe Text
marker} -> Maybe Text
marker) (\s :: DescribeDBInstancesResponse
s@DescribeDBInstancesResponse' {} Maybe Text
a -> DescribeDBInstancesResponse
s {$sel:marker:DescribeDBInstancesResponse' :: Maybe Text
marker = Maybe Text
a} :: DescribeDBInstancesResponse)

-- | The response's http status code.
describeDBInstancesResponse_httpStatus :: Lens.Lens' DescribeDBInstancesResponse Prelude.Int
describeDBInstancesResponse_httpStatus :: Lens' DescribeDBInstancesResponse Int
describeDBInstancesResponse_httpStatus = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeDBInstancesResponse' {Int
httpStatus :: Int
$sel:httpStatus:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: DescribeDBInstancesResponse
s@DescribeDBInstancesResponse' {} Int
a -> DescribeDBInstancesResponse
s {$sel:httpStatus:DescribeDBInstancesResponse' :: Int
httpStatus = Int
a} :: DescribeDBInstancesResponse)

instance Prelude.NFData DescribeDBInstancesResponse where
  rnf :: DescribeDBInstancesResponse -> ()
rnf DescribeDBInstancesResponse' {Int
Maybe [DBInstance]
Maybe Text
httpStatus :: Int
marker :: Maybe Text
dbInstances :: Maybe [DBInstance]
$sel:httpStatus:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Int
$sel:marker:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Maybe Text
$sel:dbInstances:DescribeDBInstancesResponse' :: DescribeDBInstancesResponse -> Maybe [DBInstance]
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe [DBInstance]
dbInstances
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
marker
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus