stratosphere-0.4.4: library-gen/Stratosphere/ResourceProperties/ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification.hs

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-predefinedmetricspecification.html

module Stratosphere.ResourceProperties.ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification where

import Control.Lens hiding ((.=))
import Data.Aeson
import Data.Maybe (catMaybes)
import Data.Monoid (mempty)
import Data.Text

import Stratosphere.Values


-- | Full data type definition for
-- ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification. See
-- 'applicationAutoScalingScalingPolicyPredefinedMetricSpecification' for a
-- more convenient constructor.
data ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification =
  ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification
  { _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationPredefinedMetricType :: Val Text
  , _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationResourceLabel :: Maybe (Val Text)
  } deriving (Show, Eq)

instance ToJSON ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification where
  toJSON ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification{..} =
    object $
    catMaybes
    [ Just ("PredefinedMetricType" .= _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationPredefinedMetricType)
    , ("ResourceLabel" .=) <$> _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationResourceLabel
    ]

instance FromJSON ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification where
  parseJSON (Object obj) =
    ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification <$>
      obj .: "PredefinedMetricType" <*>
      obj .:? "ResourceLabel"
  parseJSON _ = mempty

-- | Constructor for
-- 'ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification'
-- containing required fields as arguments.
applicationAutoScalingScalingPolicyPredefinedMetricSpecification
  :: Val Text -- ^ 'aassppmsPredefinedMetricType'
  -> ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification
applicationAutoScalingScalingPolicyPredefinedMetricSpecification predefinedMetricTypearg =
  ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification
  { _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationPredefinedMetricType = predefinedMetricTypearg
  , _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationResourceLabel = Nothing
  }

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-predefinedmetricspecification.html#cfn-applicationautoscaling-scalingpolicy-predefinedmetricspecification-predefinedmetrictype
aassppmsPredefinedMetricType :: Lens' ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification (Val Text)
aassppmsPredefinedMetricType = lens _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationPredefinedMetricType (\s a -> s { _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationPredefinedMetricType = a })

-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-applicationautoscaling-scalingpolicy-predefinedmetricspecification.html#cfn-applicationautoscaling-scalingpolicy-predefinedmetricspecification-resourcelabel
aassppmsResourceLabel :: Lens' ApplicationAutoScalingScalingPolicyPredefinedMetricSpecification (Maybe (Val Text))
aassppmsResourceLabel = lens _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationResourceLabel (\s a -> s { _applicationAutoScalingScalingPolicyPredefinedMetricSpecificationResourceLabel = a })