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// Code generated by smithy-go-codegen DO NOT EDIT.
package evidently
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/evidently/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// This operation assigns feature variation to user sessions. For each user
// session, you pass in an entityID that represents the user. Evidently then
// checks the evaluation rules and assigns the variation. The first rules that are
// evaluated are the override rules. If the user's entityID matches an override
// rule, the user is served the variation specified by that rule. Next, if there is
// a launch of the feature, the user might be assigned to a variation in the
// launch. The chance of this depends on the percentage of users that are allocated
// to that launch. If the user is enrolled in the launch, the variation they are
// served depends on the allocation of the various feature variations used for the
// launch. If the user is not assigned to a launch, and there is an ongoing
// experiment for this feature, the user might be assigned to a variation in the
// experiment. The chance of this depends on the percentage of users that are
// allocated to that experiment. If the user is enrolled in the experiment, the
// variation they are served depends on the allocation of the various feature
// variations used for the experiment. If the user is not assigned to a launch or
// experiment, they are served the default variation.
func (c *Client) BatchEvaluateFeature(ctx context.Context, params *BatchEvaluateFeatureInput, optFns ...func(*Options)) (*BatchEvaluateFeatureOutput, error) {
if params == nil {
params = &BatchEvaluateFeatureInput{}
}
result, metadata, err := c.invokeOperation(ctx, "BatchEvaluateFeature", params, optFns, c.addOperationBatchEvaluateFeatureMiddlewares)
if err != nil {
return nil, err
}
out := result.(*BatchEvaluateFeatureOutput)
out.ResultMetadata = metadata
return out, nil
}
type BatchEvaluateFeatureInput struct {
// The name or ARN of the project that contains the feature being evaluated.
//
// This member is required.
Project *string
// An array of structures, where each structure assigns a feature variation to one
// user session.
//
// This member is required.
Requests []types.EvaluationRequest
noSmithyDocumentSerde
}
type BatchEvaluateFeatureOutput struct {
// An array of structures, where each structure displays the results of one
// feature evaluation assignment to one user session.
Results []types.EvaluationResult
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationBatchEvaluateFeatureMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpBatchEvaluateFeature{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpBatchEvaluateFeature{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "BatchEvaluateFeature"); 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 = addEndpointPrefix_opBatchEvaluateFeatureMiddleware(stack); err != nil {
return err
}
if err = addOpBatchEvaluateFeatureValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opBatchEvaluateFeature(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
}
type endpointPrefix_opBatchEvaluateFeatureMiddleware struct {
}
func (*endpointPrefix_opBatchEvaluateFeatureMiddleware) ID() string {
return "EndpointHostPrefix"
}
func (m *endpointPrefix_opBatchEvaluateFeatureMiddleware) HandleFinalize(ctx context.Context, in middleware.FinalizeInput, next middleware.FinalizeHandler) (
out middleware.FinalizeOutput, metadata middleware.Metadata, err error,
) {
if smithyhttp.GetHostnameImmutable(ctx) || smithyhttp.IsEndpointHostPrefixDisabled(ctx) {
return next.HandleFinalize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
req.URL.Host = "dataplane." + req.URL.Host
return next.HandleFinalize(ctx, in)
}
func addEndpointPrefix_opBatchEvaluateFeatureMiddleware(stack *middleware.Stack) error {
return stack.Finalize.Insert(&endpointPrefix_opBatchEvaluateFeatureMiddleware{}, "ResolveEndpointV2", middleware.After)
}
func newServiceMetadataMiddleware_opBatchEvaluateFeature(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "BatchEvaluateFeature",
}
}
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