1// Code generated by smithy-go-codegen DO NOT EDIT. 2 3package servicediscovery 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/servicediscovery/types" 11 "github.com/aws/smithy-go/middleware" 12 smithyhttp "github.com/aws/smithy-go/transport/http" 13) 14 15// Lists summary information about the namespaces that were created by the current 16// AWS account. 17func (c *Client) ListNamespaces(ctx context.Context, params *ListNamespacesInput, optFns ...func(*Options)) (*ListNamespacesOutput, error) { 18 if params == nil { 19 params = &ListNamespacesInput{} 20 } 21 22 result, metadata, err := c.invokeOperation(ctx, "ListNamespaces", params, optFns, addOperationListNamespacesMiddlewares) 23 if err != nil { 24 return nil, err 25 } 26 27 out := result.(*ListNamespacesOutput) 28 out.ResultMetadata = metadata 29 return out, nil 30} 31 32type ListNamespacesInput struct { 33 34 // A complex type that contains specifications for the namespaces that you want to 35 // list. If you specify more than one filter, a namespace must match all filters to 36 // be returned by ListNamespaces. 37 Filters []types.NamespaceFilter 38 39 // The maximum number of namespaces that you want AWS Cloud Map to return in the 40 // response to a ListNamespaces request. If you don't specify a value for 41 // MaxResults, AWS Cloud Map returns up to 100 namespaces. 42 MaxResults *int32 43 44 // For the first ListNamespaces request, omit this value. If the response contains 45 // NextToken, submit another ListNamespaces request to get the next group of 46 // results. Specify the value of NextToken from the previous response in the next 47 // request. AWS Cloud Map gets MaxResults namespaces and then filters them based on 48 // the specified criteria. It's possible that no namespaces in the first MaxResults 49 // namespaces matched the specified criteria but that subsequent groups of 50 // MaxResults namespaces do contain namespaces that match the criteria. 51 NextToken *string 52} 53 54type ListNamespacesOutput struct { 55 56 // An array that contains one NamespaceSummary object for each namespace that 57 // matches the specified filter criteria. 58 Namespaces []types.NamespaceSummary 59 60 // If the response contains NextToken, submit another ListNamespaces request to get 61 // the next group of results. Specify the value of NextToken from the previous 62 // response in the next request. AWS Cloud Map gets MaxResults namespaces and then 63 // filters them based on the specified criteria. It's possible that no namespaces 64 // in the first MaxResults namespaces matched the specified criteria but that 65 // subsequent groups of MaxResults namespaces do contain namespaces that match the 66 // criteria. 67 NextToken *string 68 69 // Metadata pertaining to the operation's result. 70 ResultMetadata middleware.Metadata 71} 72 73func addOperationListNamespacesMiddlewares(stack *middleware.Stack, options Options) (err error) { 74 err = stack.Serialize.Add(&awsAwsjson11_serializeOpListNamespaces{}, middleware.After) 75 if err != nil { 76 return err 77 } 78 err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListNamespaces{}, middleware.After) 79 if err != nil { 80 return err 81 } 82 if err = addSetLoggerMiddleware(stack, options); err != nil { 83 return err 84 } 85 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 86 return err 87 } 88 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 89 return err 90 } 91 if err = addResolveEndpointMiddleware(stack, options); err != nil { 92 return err 93 } 94 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 95 return err 96 } 97 if err = addRetryMiddlewares(stack, options); err != nil { 98 return err 99 } 100 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 101 return err 102 } 103 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 104 return err 105 } 106 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 107 return err 108 } 109 if err = addClientUserAgent(stack); err != nil { 110 return err 111 } 112 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 113 return err 114 } 115 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 116 return err 117 } 118 if err = addOpListNamespacesValidationMiddleware(stack); err != nil { 119 return err 120 } 121 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListNamespaces(options.Region), middleware.Before); err != nil { 122 return err 123 } 124 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 125 return err 126 } 127 if err = addResponseErrorMiddleware(stack); err != nil { 128 return err 129 } 130 if err = addRequestResponseLogging(stack, options); err != nil { 131 return err 132 } 133 return nil 134} 135 136// ListNamespacesAPIClient is a client that implements the ListNamespaces 137// operation. 138type ListNamespacesAPIClient interface { 139 ListNamespaces(context.Context, *ListNamespacesInput, ...func(*Options)) (*ListNamespacesOutput, error) 140} 141 142var _ ListNamespacesAPIClient = (*Client)(nil) 143 144// ListNamespacesPaginatorOptions is the paginator options for ListNamespaces 145type ListNamespacesPaginatorOptions struct { 146 // The maximum number of namespaces that you want AWS Cloud Map to return in the 147 // response to a ListNamespaces request. If you don't specify a value for 148 // MaxResults, AWS Cloud Map returns up to 100 namespaces. 149 Limit int32 150 151 // Set to true if pagination should stop if the service returns a pagination token 152 // that matches the most recent token provided to the service. 153 StopOnDuplicateToken bool 154} 155 156// ListNamespacesPaginator is a paginator for ListNamespaces 157type ListNamespacesPaginator struct { 158 options ListNamespacesPaginatorOptions 159 client ListNamespacesAPIClient 160 params *ListNamespacesInput 161 nextToken *string 162 firstPage bool 163} 164 165// NewListNamespacesPaginator returns a new ListNamespacesPaginator 166func NewListNamespacesPaginator(client ListNamespacesAPIClient, params *ListNamespacesInput, optFns ...func(*ListNamespacesPaginatorOptions)) *ListNamespacesPaginator { 167 if params == nil { 168 params = &ListNamespacesInput{} 169 } 170 171 options := ListNamespacesPaginatorOptions{} 172 if params.MaxResults != nil { 173 options.Limit = *params.MaxResults 174 } 175 176 for _, fn := range optFns { 177 fn(&options) 178 } 179 180 return &ListNamespacesPaginator{ 181 options: options, 182 client: client, 183 params: params, 184 firstPage: true, 185 } 186} 187 188// HasMorePages returns a boolean indicating whether more pages are available 189func (p *ListNamespacesPaginator) HasMorePages() bool { 190 return p.firstPage || p.nextToken != nil 191} 192 193// NextPage retrieves the next ListNamespaces page. 194func (p *ListNamespacesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListNamespacesOutput, error) { 195 if !p.HasMorePages() { 196 return nil, fmt.Errorf("no more pages available") 197 } 198 199 params := *p.params 200 params.NextToken = p.nextToken 201 202 var limit *int32 203 if p.options.Limit > 0 { 204 limit = &p.options.Limit 205 } 206 params.MaxResults = limit 207 208 result, err := p.client.ListNamespaces(ctx, ¶ms, optFns...) 209 if err != nil { 210 return nil, err 211 } 212 p.firstPage = false 213 214 prevToken := p.nextToken 215 p.nextToken = result.NextToken 216 217 if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { 218 p.nextToken = nil 219 } 220 221 return result, nil 222} 223 224func newServiceMetadataMiddleware_opListNamespaces(region string) *awsmiddleware.RegisterServiceMetadata { 225 return &awsmiddleware.RegisterServiceMetadata{ 226 Region: region, 227 ServiceID: ServiceID, 228 SigningName: "servicediscovery", 229 OperationName: "ListNamespaces", 230 } 231} 232