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// 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, c.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 Cloud Map to return in the 40 // response to a ListNamespaces request. If you don't specify a value for 41 // MaxResults, 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. Cloud Map gets MaxResults namespaces and then filters them based on the 48 // 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 noSmithyDocumentSerde 54} 55 56type ListNamespacesOutput struct { 57 58 // An array that contains one NamespaceSummary object for each namespace that 59 // matches the specified filter criteria. 60 Namespaces []types.NamespaceSummary 61 62 // If the response contains NextToken, submit another ListNamespaces request to get 63 // the next group of results. Specify the value of NextToken from the previous 64 // response in the next request. Cloud Map gets MaxResults namespaces and then 65 // filters them based on the specified criteria. It's possible that no namespaces 66 // in the first MaxResults namespaces matched the specified criteria but that 67 // subsequent groups of MaxResults namespaces do contain namespaces that match the 68 // criteria. 69 NextToken *string 70 71 // Metadata pertaining to the operation's result. 72 ResultMetadata middleware.Metadata 73 74 noSmithyDocumentSerde 75} 76 77func (c *Client) addOperationListNamespacesMiddlewares(stack *middleware.Stack, options Options) (err error) { 78 err = stack.Serialize.Add(&awsAwsjson11_serializeOpListNamespaces{}, middleware.After) 79 if err != nil { 80 return err 81 } 82 err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListNamespaces{}, middleware.After) 83 if err != nil { 84 return err 85 } 86 if err = addSetLoggerMiddleware(stack, options); err != nil { 87 return err 88 } 89 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 90 return err 91 } 92 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 93 return err 94 } 95 if err = addResolveEndpointMiddleware(stack, options); err != nil { 96 return err 97 } 98 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 99 return err 100 } 101 if err = addRetryMiddlewares(stack, options); err != nil { 102 return err 103 } 104 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 105 return err 106 } 107 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 108 return err 109 } 110 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 111 return err 112 } 113 if err = addClientUserAgent(stack); err != nil { 114 return err 115 } 116 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 117 return err 118 } 119 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 120 return err 121 } 122 if err = addOpListNamespacesValidationMiddleware(stack); err != nil { 123 return err 124 } 125 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListNamespaces(options.Region), middleware.Before); err != nil { 126 return err 127 } 128 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 129 return err 130 } 131 if err = addResponseErrorMiddleware(stack); err != nil { 132 return err 133 } 134 if err = addRequestResponseLogging(stack, options); err != nil { 135 return err 136 } 137 return nil 138} 139 140// ListNamespacesAPIClient is a client that implements the ListNamespaces 141// operation. 142type ListNamespacesAPIClient interface { 143 ListNamespaces(context.Context, *ListNamespacesInput, ...func(*Options)) (*ListNamespacesOutput, error) 144} 145 146var _ ListNamespacesAPIClient = (*Client)(nil) 147 148// ListNamespacesPaginatorOptions is the paginator options for ListNamespaces 149type ListNamespacesPaginatorOptions struct { 150 // The maximum number of namespaces that you want Cloud Map to return in the 151 // response to a ListNamespaces request. If you don't specify a value for 152 // MaxResults, Cloud Map returns up to 100 namespaces. 153 Limit int32 154 155 // Set to true if pagination should stop if the service returns a pagination token 156 // that matches the most recent token provided to the service. 157 StopOnDuplicateToken bool 158} 159 160// ListNamespacesPaginator is a paginator for ListNamespaces 161type ListNamespacesPaginator struct { 162 options ListNamespacesPaginatorOptions 163 client ListNamespacesAPIClient 164 params *ListNamespacesInput 165 nextToken *string 166 firstPage bool 167} 168 169// NewListNamespacesPaginator returns a new ListNamespacesPaginator 170func NewListNamespacesPaginator(client ListNamespacesAPIClient, params *ListNamespacesInput, optFns ...func(*ListNamespacesPaginatorOptions)) *ListNamespacesPaginator { 171 if params == nil { 172 params = &ListNamespacesInput{} 173 } 174 175 options := ListNamespacesPaginatorOptions{} 176 if params.MaxResults != nil { 177 options.Limit = *params.MaxResults 178 } 179 180 for _, fn := range optFns { 181 fn(&options) 182 } 183 184 return &ListNamespacesPaginator{ 185 options: options, 186 client: client, 187 params: params, 188 firstPage: true, 189 } 190} 191 192// HasMorePages returns a boolean indicating whether more pages are available 193func (p *ListNamespacesPaginator) HasMorePages() bool { 194 return p.firstPage || p.nextToken != nil 195} 196 197// NextPage retrieves the next ListNamespaces page. 198func (p *ListNamespacesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListNamespacesOutput, error) { 199 if !p.HasMorePages() { 200 return nil, fmt.Errorf("no more pages available") 201 } 202 203 params := *p.params 204 params.NextToken = p.nextToken 205 206 var limit *int32 207 if p.options.Limit > 0 { 208 limit = &p.options.Limit 209 } 210 params.MaxResults = limit 211 212 result, err := p.client.ListNamespaces(ctx, ¶ms, optFns...) 213 if err != nil { 214 return nil, err 215 } 216 p.firstPage = false 217 218 prevToken := p.nextToken 219 p.nextToken = result.NextToken 220 221 if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { 222 p.nextToken = nil 223 } 224 225 return result, nil 226} 227 228func newServiceMetadataMiddleware_opListNamespaces(region string) *awsmiddleware.RegisterServiceMetadata { 229 return &awsmiddleware.RegisterServiceMetadata{ 230 Region: region, 231 ServiceID: ServiceID, 232 SigningName: "servicediscovery", 233 OperationName: "ListNamespaces", 234 } 235} 236