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api_op_ListDatasetGroups.go
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api_op_ListDatasetGroups.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 dataset groups created using the CreateDatasetGroup
// (https://docs.aws.amazon.com/forecast/latest/dg/API_CreateDatasetGroup.html)
// operation. For each dataset group, this operation returns a summary of its
// properties, including its Amazon Resource Name (ARN). You can retrieve the
// complete set of properties by using the dataset group ARN with the
// DescribeDatasetGroup
// (https://docs.aws.amazon.com/forecast/latest/dg/API_DescribeDatasetGroup.html)
// operation.
func (c *Client) ListDatasetGroups(ctx context.Context, params *ListDatasetGroupsInput, optFns ...func(*Options)) (*ListDatasetGroupsOutput, error) {
if params == nil {
params = &ListDatasetGroupsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListDatasetGroups", params, optFns, c.addOperationListDatasetGroupsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListDatasetGroupsOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListDatasetGroupsInput 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 ListDatasetGroupsOutput struct {
// An array of objects that summarize each dataset group's properties.
DatasetGroups []types.DatasetGroupSummary
// 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) addOperationListDatasetGroupsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpListDatasetGroups{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListDatasetGroups{}, middleware.After)
if 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 = addHTTPSignerV4Middleware(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); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListDatasetGroups(options.Region), middleware.Before); 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
}
return nil
}
// ListDatasetGroupsAPIClient is a client that implements the ListDatasetGroups
// operation.
type ListDatasetGroupsAPIClient interface {
ListDatasetGroups(context.Context, *ListDatasetGroupsInput, ...func(*Options)) (*ListDatasetGroupsOutput, error)
}
var _ ListDatasetGroupsAPIClient = (*Client)(nil)
// ListDatasetGroupsPaginatorOptions is the paginator options for ListDatasetGroups
type ListDatasetGroupsPaginatorOptions 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
}
// ListDatasetGroupsPaginator is a paginator for ListDatasetGroups
type ListDatasetGroupsPaginator struct {
options ListDatasetGroupsPaginatorOptions
client ListDatasetGroupsAPIClient
params *ListDatasetGroupsInput
nextToken *string
firstPage bool
}
// NewListDatasetGroupsPaginator returns a new ListDatasetGroupsPaginator
func NewListDatasetGroupsPaginator(client ListDatasetGroupsAPIClient, params *ListDatasetGroupsInput, optFns ...func(*ListDatasetGroupsPaginatorOptions)) *ListDatasetGroupsPaginator {
if params == nil {
params = &ListDatasetGroupsInput{}
}
options := ListDatasetGroupsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListDatasetGroupsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListDatasetGroupsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListDatasetGroups page.
func (p *ListDatasetGroupsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListDatasetGroupsOutput, 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.ListDatasetGroups(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_opListDatasetGroups(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "forecast",
OperationName: "ListDatasetGroups",
}
}