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api_op_CreateWhatIfAnalysis.go
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api_op_CreateWhatIfAnalysis.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package forecast
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/forecast/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// What-if analysis is a scenario modeling technique where you make a hypothetical
// change to a time series and compare the forecasts generated by these changes
// against the baseline, unchanged time series. It is important to remember that
// the purpose of a what-if analysis is to understand how a forecast can change
// given different modifications to the baseline time series. For example, imagine
// you are a clothing retailer who is considering an end of season sale to clear
// space for new styles. After creating a baseline forecast, you can use a what-if
// analysis to investigate how different sales tactics might affect your goals. You
// could create a scenario where everything is given a 25% markdown, and another
// where everything is given a fixed dollar markdown. You could create a scenario
// where the sale lasts for one week and another where the sale lasts for one
// month. With a what-if analysis, you can compare many different scenarios against
// each other. Note that a what-if analysis is meant to display what the
// forecasting model has learned and how it will behave in the scenarios that you
// are evaluating. Do not blindly use the results of the what-if analysis to make
// business decisions. For instance, forecasts might not be accurate for novel
// scenarios where there is no reference available to determine whether a forecast
// is good. The TimeSeriesSelector object defines the items that you want in the
// what-if analysis.
func (c *Client) CreateWhatIfAnalysis(ctx context.Context, params *CreateWhatIfAnalysisInput, optFns ...func(*Options)) (*CreateWhatIfAnalysisOutput, error) {
if params == nil {
params = &CreateWhatIfAnalysisInput{}
}
result, metadata, err := c.invokeOperation(ctx, "CreateWhatIfAnalysis", params, optFns, c.addOperationCreateWhatIfAnalysisMiddlewares)
if err != nil {
return nil, err
}
out := result.(*CreateWhatIfAnalysisOutput)
out.ResultMetadata = metadata
return out, nil
}
type CreateWhatIfAnalysisInput struct {
// The Amazon Resource Name (ARN) of the baseline forecast.
//
// This member is required.
ForecastArn *string
// The name of the what-if analysis. Each name must be unique.
//
// This member is required.
WhatIfAnalysisName *string
// A list of tags (https://docs.aws.amazon.com/forecast/latest/dg/tagging-forecast-resources.html)
// to apply to the what if forecast.
Tags []types.Tag
// Defines the set of time series that are used in the what-if analysis with a
// TimeSeriesIdentifiers object. What-if analyses are performed only for the time
// series in this object. The TimeSeriesIdentifiers object needs the following
// information:
// - DataSource
// - Format
// - Schema
TimeSeriesSelector *types.TimeSeriesSelector
noSmithyDocumentSerde
}
type CreateWhatIfAnalysisOutput struct {
// The Amazon Resource Name (ARN) of the what-if analysis.
WhatIfAnalysisArn *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationCreateWhatIfAnalysisMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsjson11_serializeOpCreateWhatIfAnalysis{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCreateWhatIfAnalysis{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "CreateWhatIfAnalysis"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpCreateWhatIfAnalysisValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateWhatIfAnalysis(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opCreateWhatIfAnalysis(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "CreateWhatIfAnalysis",
}
}