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// Code generated by smithy-go-codegen DO NOT EDIT.
package sns
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/sns/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Publishes up to ten messages to the specified topic. This is a batch version of
// Publish . For FIFO topics, multiple messages within a single batch are published
// in the order they are sent, and messages are deduplicated within the batch and
// across batches for 5 minutes.
//
// The result of publishing each message is reported individually in the response.
// Because the batch request can result in a combination of successful and
// unsuccessful actions, you should check for batch errors even when the call
// returns an HTTP status code of 200 .
//
// The maximum allowed individual message size and the maximum total payload size
// (the sum of the individual lengths of all of the batched messages) are both 256
// KB (262,144 bytes).
//
// Some actions take lists of parameters. These lists are specified using the
// param.n notation. Values of n are integers starting from 1. For example, a
// parameter list with two elements looks like this:
//
// &AttributeName.1=first
//
// &AttributeName.2=second
//
// If you send a batch message to a topic, Amazon SNS publishes the batch message
// to each endpoint that is subscribed to the topic. The format of the batch
// message depends on the notification protocol for each subscribed endpoint.
//
// When a messageId is returned, the batch message is saved and Amazon SNS
// immediately delivers the message to subscribers.
func (c *Client) PublishBatch(ctx context.Context, params *PublishBatchInput, optFns ...func(*Options)) (*PublishBatchOutput, error) {
if params == nil {
params = &PublishBatchInput{}
}
result, metadata, err := c.invokeOperation(ctx, "PublishBatch", params, optFns, c.addOperationPublishBatchMiddlewares)
if err != nil {
return nil, err
}
out := result.(*PublishBatchOutput)
out.ResultMetadata = metadata
return out, nil
}
type PublishBatchInput struct {
// A list of PublishBatch request entries to be sent to the SNS topic.
//
// This member is required.
PublishBatchRequestEntries []types.PublishBatchRequestEntry
// The Amazon resource name (ARN) of the topic you want to batch publish to.
//
// This member is required.
TopicArn *string
noSmithyDocumentSerde
}
type PublishBatchOutput struct {
// A list of failed PublishBatch responses.
Failed []types.BatchResultErrorEntry
// A list of successful PublishBatch responses.
Successful []types.PublishBatchResultEntry
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationPublishBatchMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpPublishBatch{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpPublishBatch{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "PublishBatch"); 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 = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = 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 = addTimeOffsetBuild(stack, c); err != nil {
return err
}
if err = addUserAgentRetryMode(stack, options); err != nil {
return err
}
if err = addOpPublishBatchValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opPublishBatch(options.Region), middleware.Before); err != nil {
return err
}
if err = 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_opPublishBatch(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "PublishBatch",
}
}
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