1// Code generated by smithy-go-codegen DO NOT EDIT. 2 3package forecast 4 5import ( 6 "context" 7 "fmt" 8 awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware" 9 "github.com/aws/aws-sdk-go-v2/aws/signer/v4" 10 "github.com/aws/aws-sdk-go-v2/service/forecast/types" 11 "github.com/aws/smithy-go/middleware" 12 smithyhttp "github.com/aws/smithy-go/transport/http" 13) 14 15// Returns a list of dataset groups created using the CreateDatasetGroup operation. 16// For each dataset group, this operation returns a summary of its properties, 17// including its Amazon Resource Name (ARN). You can retrieve the complete set of 18// properties by using the dataset group ARN with the DescribeDatasetGroup 19// operation. 20func (c *Client) ListDatasetGroups(ctx context.Context, params *ListDatasetGroupsInput, optFns ...func(*Options)) (*ListDatasetGroupsOutput, error) { 21 if params == nil { 22 params = &ListDatasetGroupsInput{} 23 } 24 25 result, metadata, err := c.invokeOperation(ctx, "ListDatasetGroups", params, optFns, addOperationListDatasetGroupsMiddlewares) 26 if err != nil { 27 return nil, err 28 } 29 30 out := result.(*ListDatasetGroupsOutput) 31 out.ResultMetadata = metadata 32 return out, nil 33} 34 35type ListDatasetGroupsInput struct { 36 37 // The number of items to return in the response. 38 MaxResults *int32 39 40 // If the result of the previous request was truncated, the response includes a 41 // NextToken. To retrieve the next set of results, use the token in the next 42 // request. Tokens expire after 24 hours. 43 NextToken *string 44} 45 46type ListDatasetGroupsOutput struct { 47 48 // An array of objects that summarize each dataset group's properties. 49 DatasetGroups []types.DatasetGroupSummary 50 51 // If the response is truncated, Amazon Forecast returns this token. To retrieve 52 // the next set of results, use the token in the next request. 53 NextToken *string 54 55 // Metadata pertaining to the operation's result. 56 ResultMetadata middleware.Metadata 57} 58 59func addOperationListDatasetGroupsMiddlewares(stack *middleware.Stack, options Options) (err error) { 60 err = stack.Serialize.Add(&awsAwsjson11_serializeOpListDatasetGroups{}, middleware.After) 61 if err != nil { 62 return err 63 } 64 err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListDatasetGroups{}, middleware.After) 65 if err != nil { 66 return err 67 } 68 if err = addSetLoggerMiddleware(stack, options); err != nil { 69 return err 70 } 71 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 72 return err 73 } 74 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 75 return err 76 } 77 if err = addResolveEndpointMiddleware(stack, options); err != nil { 78 return err 79 } 80 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 81 return err 82 } 83 if err = addRetryMiddlewares(stack, options); err != nil { 84 return err 85 } 86 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 87 return err 88 } 89 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 90 return err 91 } 92 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 93 return err 94 } 95 if err = addClientUserAgent(stack); err != nil { 96 return err 97 } 98 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 99 return err 100 } 101 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 102 return err 103 } 104 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListDatasetGroups(options.Region), middleware.Before); err != nil { 105 return err 106 } 107 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 108 return err 109 } 110 if err = addResponseErrorMiddleware(stack); err != nil { 111 return err 112 } 113 if err = addRequestResponseLogging(stack, options); err != nil { 114 return err 115 } 116 return nil 117} 118 119// ListDatasetGroupsAPIClient is a client that implements the ListDatasetGroups 120// operation. 121type ListDatasetGroupsAPIClient interface { 122 ListDatasetGroups(context.Context, *ListDatasetGroupsInput, ...func(*Options)) (*ListDatasetGroupsOutput, error) 123} 124 125var _ ListDatasetGroupsAPIClient = (*Client)(nil) 126 127// ListDatasetGroupsPaginatorOptions is the paginator options for ListDatasetGroups 128type ListDatasetGroupsPaginatorOptions struct { 129 // The number of items to return in the response. 130 Limit int32 131 132 // Set to true if pagination should stop if the service returns a pagination token 133 // that matches the most recent token provided to the service. 134 StopOnDuplicateToken bool 135} 136 137// ListDatasetGroupsPaginator is a paginator for ListDatasetGroups 138type ListDatasetGroupsPaginator struct { 139 options ListDatasetGroupsPaginatorOptions 140 client ListDatasetGroupsAPIClient 141 params *ListDatasetGroupsInput 142 nextToken *string 143 firstPage bool 144} 145 146// NewListDatasetGroupsPaginator returns a new ListDatasetGroupsPaginator 147func NewListDatasetGroupsPaginator(client ListDatasetGroupsAPIClient, params *ListDatasetGroupsInput, optFns ...func(*ListDatasetGroupsPaginatorOptions)) *ListDatasetGroupsPaginator { 148 if params == nil { 149 params = &ListDatasetGroupsInput{} 150 } 151 152 options := ListDatasetGroupsPaginatorOptions{} 153 if params.MaxResults != nil { 154 options.Limit = *params.MaxResults 155 } 156 157 for _, fn := range optFns { 158 fn(&options) 159 } 160 161 return &ListDatasetGroupsPaginator{ 162 options: options, 163 client: client, 164 params: params, 165 firstPage: true, 166 } 167} 168 169// HasMorePages returns a boolean indicating whether more pages are available 170func (p *ListDatasetGroupsPaginator) HasMorePages() bool { 171 return p.firstPage || p.nextToken != nil 172} 173 174// NextPage retrieves the next ListDatasetGroups page. 175func (p *ListDatasetGroupsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListDatasetGroupsOutput, error) { 176 if !p.HasMorePages() { 177 return nil, fmt.Errorf("no more pages available") 178 } 179 180 params := *p.params 181 params.NextToken = p.nextToken 182 183 var limit *int32 184 if p.options.Limit > 0 { 185 limit = &p.options.Limit 186 } 187 params.MaxResults = limit 188 189 result, err := p.client.ListDatasetGroups(ctx, ¶ms, optFns...) 190 if err != nil { 191 return nil, err 192 } 193 p.firstPage = false 194 195 prevToken := p.nextToken 196 p.nextToken = result.NextToken 197 198 if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { 199 p.nextToken = nil 200 } 201 202 return result, nil 203} 204 205func newServiceMetadataMiddleware_opListDatasetGroups(region string) *awsmiddleware.RegisterServiceMetadata { 206 return &awsmiddleware.RegisterServiceMetadata{ 207 Region: region, 208 ServiceID: ServiceID, 209 SigningName: "forecast", 210 OperationName: "ListDatasetGroups", 211 } 212} 213