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api_op_ListDatasets.go
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/
api_op_ListDatasets.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"
)
// Returns a list of datasets created using the CreateDataset (https://docs.aws.amazon.com/forecast/latest/dg/API_CreateDataset.html)
// operation. For each dataset, a summary of its properties, including its Amazon
// Resource Name (ARN), is returned. To retrieve the complete set of properties,
// use the ARN with the DescribeDataset (https://docs.aws.amazon.com/forecast/latest/dg/API_DescribeDataset.html)
// operation.
func (c *Client) ListDatasets(ctx context.Context, params *ListDatasetsInput, optFns ...func(*Options)) (*ListDatasetsOutput, error) {
if params == nil {
params = &ListDatasetsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListDatasets", params, optFns, c.addOperationListDatasetsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListDatasetsOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListDatasetsInput struct {
// The number of items to return in the response.
MaxResults *int32
// If the result of the previous request was truncated, the response includes a
// NextToken . To retrieve the next set of results, use the token in the next
// request. Tokens expire after 24 hours.
NextToken *string
noSmithyDocumentSerde
}
type ListDatasetsOutput struct {
// An array of objects that summarize each dataset's properties.
Datasets []types.DatasetSummary
// If the response is truncated, Amazon Forecast returns this token. To retrieve
// the next set of results, use the token in the next request.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListDatasetsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsjson11_serializeOpListDatasets{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListDatasets{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "ListDatasets"); 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 = stack.Initialize.Add(newServiceMetadataMiddleware_opListDatasets(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
}
// ListDatasetsAPIClient is a client that implements the ListDatasets operation.
type ListDatasetsAPIClient interface {
ListDatasets(context.Context, *ListDatasetsInput, ...func(*Options)) (*ListDatasetsOutput, error)
}
var _ ListDatasetsAPIClient = (*Client)(nil)
// ListDatasetsPaginatorOptions is the paginator options for ListDatasets
type ListDatasetsPaginatorOptions struct {
// The number of items to return in the response.
Limit int32
// Set to true if pagination should stop if the service returns a pagination token
// that matches the most recent token provided to the service.
StopOnDuplicateToken bool
}
// ListDatasetsPaginator is a paginator for ListDatasets
type ListDatasetsPaginator struct {
options ListDatasetsPaginatorOptions
client ListDatasetsAPIClient
params *ListDatasetsInput
nextToken *string
firstPage bool
}
// NewListDatasetsPaginator returns a new ListDatasetsPaginator
func NewListDatasetsPaginator(client ListDatasetsAPIClient, params *ListDatasetsInput, optFns ...func(*ListDatasetsPaginatorOptions)) *ListDatasetsPaginator {
if params == nil {
params = &ListDatasetsInput{}
}
options := ListDatasetsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListDatasetsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListDatasetsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListDatasets page.
func (p *ListDatasetsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListDatasetsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxResults = limit
result, err := p.client.ListDatasets(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.NextToken
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opListDatasets(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "ListDatasets",
}
}