{-# 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.RecrawlPolicy
-- 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.RecrawlPolicy 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.RecrawlBehavior
import qualified Amazonka.Prelude as Prelude

-- | When crawling an Amazon S3 data source after the first crawl is
-- complete, specifies whether to crawl the entire dataset again or to
-- crawl only folders that were added since the last crawler run. For more
-- information, see
-- <https://docs.aws.amazon.com/glue/latest/dg/incremental-crawls.html Incremental Crawls in Glue>
-- in the developer guide.
--
-- /See:/ 'newRecrawlPolicy' smart constructor.
data RecrawlPolicy = RecrawlPolicy'
  { -- | Specifies whether to crawl the entire dataset again or to crawl only
    -- folders that were added since the last crawler run.
    --
    -- A value of @CRAWL_EVERYTHING@ specifies crawling the entire dataset
    -- again.
    --
    -- A value of @CRAWL_NEW_FOLDERS_ONLY@ specifies crawling only folders that
    -- were added since the last crawler run.
    --
    -- A value of @CRAWL_EVENT_MODE@ specifies crawling only the changes
    -- identified by Amazon S3 events.
    RecrawlPolicy -> Maybe RecrawlBehavior
recrawlBehavior :: Prelude.Maybe RecrawlBehavior
  }
  deriving (RecrawlPolicy -> RecrawlPolicy -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: RecrawlPolicy -> RecrawlPolicy -> Bool
$c/= :: RecrawlPolicy -> RecrawlPolicy -> Bool
== :: RecrawlPolicy -> RecrawlPolicy -> Bool
$c== :: RecrawlPolicy -> RecrawlPolicy -> Bool
Prelude.Eq, ReadPrec [RecrawlPolicy]
ReadPrec RecrawlPolicy
Int -> ReadS RecrawlPolicy
ReadS [RecrawlPolicy]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [RecrawlPolicy]
$creadListPrec :: ReadPrec [RecrawlPolicy]
readPrec :: ReadPrec RecrawlPolicy
$creadPrec :: ReadPrec RecrawlPolicy
readList :: ReadS [RecrawlPolicy]
$creadList :: ReadS [RecrawlPolicy]
readsPrec :: Int -> ReadS RecrawlPolicy
$creadsPrec :: Int -> ReadS RecrawlPolicy
Prelude.Read, Int -> RecrawlPolicy -> ShowS
[RecrawlPolicy] -> ShowS
RecrawlPolicy -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [RecrawlPolicy] -> ShowS
$cshowList :: [RecrawlPolicy] -> ShowS
show :: RecrawlPolicy -> String
$cshow :: RecrawlPolicy -> String
showsPrec :: Int -> RecrawlPolicy -> ShowS
$cshowsPrec :: Int -> RecrawlPolicy -> ShowS
Prelude.Show, forall x. Rep RecrawlPolicy x -> RecrawlPolicy
forall x. RecrawlPolicy -> Rep RecrawlPolicy x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep RecrawlPolicy x -> RecrawlPolicy
$cfrom :: forall x. RecrawlPolicy -> Rep RecrawlPolicy x
Prelude.Generic)

-- |
-- Create a value of 'RecrawlPolicy' 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:
--
-- 'recrawlBehavior', 'recrawlPolicy_recrawlBehavior' - Specifies whether to crawl the entire dataset again or to crawl only
-- folders that were added since the last crawler run.
--
-- A value of @CRAWL_EVERYTHING@ specifies crawling the entire dataset
-- again.
--
-- A value of @CRAWL_NEW_FOLDERS_ONLY@ specifies crawling only folders that
-- were added since the last crawler run.
--
-- A value of @CRAWL_EVENT_MODE@ specifies crawling only the changes
-- identified by Amazon S3 events.
newRecrawlPolicy ::
  RecrawlPolicy
newRecrawlPolicy :: RecrawlPolicy
newRecrawlPolicy =
  RecrawlPolicy' {$sel:recrawlBehavior:RecrawlPolicy' :: Maybe RecrawlBehavior
recrawlBehavior = forall a. Maybe a
Prelude.Nothing}

-- | Specifies whether to crawl the entire dataset again or to crawl only
-- folders that were added since the last crawler run.
--
-- A value of @CRAWL_EVERYTHING@ specifies crawling the entire dataset
-- again.
--
-- A value of @CRAWL_NEW_FOLDERS_ONLY@ specifies crawling only folders that
-- were added since the last crawler run.
--
-- A value of @CRAWL_EVENT_MODE@ specifies crawling only the changes
-- identified by Amazon S3 events.
recrawlPolicy_recrawlBehavior :: Lens.Lens' RecrawlPolicy (Prelude.Maybe RecrawlBehavior)
recrawlPolicy_recrawlBehavior :: Lens' RecrawlPolicy (Maybe RecrawlBehavior)
recrawlPolicy_recrawlBehavior = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\RecrawlPolicy' {Maybe RecrawlBehavior
recrawlBehavior :: Maybe RecrawlBehavior
$sel:recrawlBehavior:RecrawlPolicy' :: RecrawlPolicy -> Maybe RecrawlBehavior
recrawlBehavior} -> Maybe RecrawlBehavior
recrawlBehavior) (\s :: RecrawlPolicy
s@RecrawlPolicy' {} Maybe RecrawlBehavior
a -> RecrawlPolicy
s {$sel:recrawlBehavior:RecrawlPolicy' :: Maybe RecrawlBehavior
recrawlBehavior = Maybe RecrawlBehavior
a} :: RecrawlPolicy)

instance Data.FromJSON RecrawlPolicy where
  parseJSON :: Value -> Parser RecrawlPolicy
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"RecrawlPolicy"
      ( \Object
x ->
          Maybe RecrawlBehavior -> RecrawlPolicy
RecrawlPolicy'
            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
"RecrawlBehavior")
      )

instance Prelude.Hashable RecrawlPolicy where
  hashWithSalt :: Int -> RecrawlPolicy -> Int
hashWithSalt Int
_salt RecrawlPolicy' {Maybe RecrawlBehavior
recrawlBehavior :: Maybe RecrawlBehavior
$sel:recrawlBehavior:RecrawlPolicy' :: RecrawlPolicy -> Maybe RecrawlBehavior
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe RecrawlBehavior
recrawlBehavior

instance Prelude.NFData RecrawlPolicy where
  rnf :: RecrawlPolicy -> ()
rnf RecrawlPolicy' {Maybe RecrawlBehavior
recrawlBehavior :: Maybe RecrawlBehavior
$sel:recrawlBehavior:RecrawlPolicy' :: RecrawlPolicy -> Maybe RecrawlBehavior
..} = forall a. NFData a => a -> ()
Prelude.rnf Maybe RecrawlBehavior
recrawlBehavior

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