// Code generated by smithy-go-codegen DO NOT EDIT. package qldb 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/qldb/types" "github.com/aws/smithy-go/middleware" smithyhttp "github.com/aws/smithy-go/transport/http" ) // Returns all ledgers that are associated with the current Amazon Web Services // account and Region. This action returns a maximum of MaxResults items and is // paginated so that you can retrieve all the items by calling ListLedgers // multiple times. func (c *Client) ListLedgers(ctx context.Context, params *ListLedgersInput, optFns ...func(*Options)) (*ListLedgersOutput, error) { if params == nil { params = &ListLedgersInput{} } result, metadata, err := c.invokeOperation(ctx, "ListLedgers", params, optFns, c.addOperationListLedgersMiddlewares) if err != nil { return nil, err } out := result.(*ListLedgersOutput) out.ResultMetadata = metadata return out, nil } type ListLedgersInput struct { // The maximum number of results to return in a single ListLedgers request. (The // actual number of results returned might be fewer.) MaxResults *int32 // A pagination token, indicating that you want to retrieve the next page of // results. If you received a value for NextToken in the response from a previous // ListLedgers call, then you should use that value as input here. NextToken *string noSmithyDocumentSerde } type ListLedgersOutput struct { // The ledgers that are associated with the current Amazon Web Services account // and Region. Ledgers []types.LedgerSummary // A pagination token, indicating whether there are more results available: // - If NextToken is empty, then the last page of results has been processed and // there are no more results to be retrieved. // - If NextToken is not empty, then there are more results available. To // retrieve the next page of results, use the value of NextToken in a subsequent // ListLedgers call. NextToken *string // Metadata pertaining to the operation's result. ResultMetadata middleware.Metadata noSmithyDocumentSerde } func (c *Client) addOperationListLedgersMiddlewares(stack *middleware.Stack, options Options) (err error) { err = stack.Serialize.Add(&awsRestjson1_serializeOpListLedgers{}, middleware.After) if err != nil { return err } err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListLedgers{}, 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, 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 = stack.Initialize.Add(newServiceMetadataMiddleware_opListLedgers(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 } return nil } // ListLedgersAPIClient is a client that implements the ListLedgers operation. type ListLedgersAPIClient interface { ListLedgers(context.Context, *ListLedgersInput, ...func(*Options)) (*ListLedgersOutput, error) } var _ ListLedgersAPIClient = (*Client)(nil) // ListLedgersPaginatorOptions is the paginator options for ListLedgers type ListLedgersPaginatorOptions struct { // The maximum number of results to return in a single ListLedgers request. (The // actual number of results returned might be fewer.) 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 } // ListLedgersPaginator is a paginator for ListLedgers type ListLedgersPaginator struct { options ListLedgersPaginatorOptions client ListLedgersAPIClient params *ListLedgersInput nextToken *string firstPage bool } // NewListLedgersPaginator returns a new ListLedgersPaginator func NewListLedgersPaginator(client ListLedgersAPIClient, params *ListLedgersInput, optFns ...func(*ListLedgersPaginatorOptions)) *ListLedgersPaginator { if params == nil { params = &ListLedgersInput{} } options := ListLedgersPaginatorOptions{} if params.MaxResults != nil { options.Limit = *params.MaxResults } for _, fn := range optFns { fn(&options) } return &ListLedgersPaginator{ options: options, client: client, params: params, firstPage: true, nextToken: params.NextToken, } } // HasMorePages returns a boolean indicating whether more pages are available func (p *ListLedgersPaginator) HasMorePages() bool { return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0) } // NextPage retrieves the next ListLedgers page. func (p *ListLedgersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListLedgersOutput, 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.ListLedgers(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_opListLedgers(region string) *awsmiddleware.RegisterServiceMetadata { return &awsmiddleware.RegisterServiceMetadata{ Region: region, ServiceID: ServiceID, SigningName: "qldb", OperationName: "ListLedgers", } }