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api_op_ListNamespaces.go
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api_op_ListNamespaces.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package servicediscovery
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/servicediscovery/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Lists summary information about the namespaces that were created by the current
// Amazon Web Services account.
func (c *Client) ListNamespaces(ctx context.Context, params *ListNamespacesInput, optFns ...func(*Options)) (*ListNamespacesOutput, error) {
if params == nil {
params = &ListNamespacesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListNamespaces", params, optFns, c.addOperationListNamespacesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListNamespacesOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListNamespacesInput struct {
// A complex type that contains specifications for the namespaces that you want to
// list.
//
// If you specify more than one filter, a namespace must match all filters to be
// returned by ListNamespaces .
Filters []types.NamespaceFilter
// The maximum number of namespaces that you want Cloud Map to return in the
// response to a ListNamespaces request. If you don't specify a value for
// MaxResults , Cloud Map returns up to 100 namespaces.
MaxResults *int32
// For the first ListNamespaces request, omit this value.
//
// If the response contains NextToken , submit another ListNamespaces request to
// get the next group of results. Specify the value of NextToken from the previous
// response in the next request.
//
// Cloud Map gets MaxResults namespaces and then filters them based on the
// specified criteria. It's possible that no namespaces in the first MaxResults
// namespaces matched the specified criteria but that subsequent groups of
// MaxResults namespaces do contain namespaces that match the criteria.
NextToken *string
noSmithyDocumentSerde
}
type ListNamespacesOutput struct {
// An array that contains one NamespaceSummary object for each namespace that
// matches the specified filter criteria.
Namespaces []types.NamespaceSummary
// If the response contains NextToken , submit another ListNamespaces request to
// get the next group of results. Specify the value of NextToken from the previous
// response in the next request.
//
// Cloud Map gets MaxResults namespaces and then filters them based on the
// specified criteria. It's possible that no namespaces in the first MaxResults
// namespaces matched the specified criteria but that subsequent groups of
// MaxResults namespaces do contain namespaces that match the criteria.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListNamespacesMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsjson11_serializeOpListNamespaces{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListNamespaces{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "ListNamespaces"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpListNamespacesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListNamespaces(options.Region), middleware.Before); err != nil {
return err
}
if err = 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
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// ListNamespacesAPIClient is a client that implements the ListNamespaces
// operation.
type ListNamespacesAPIClient interface {
ListNamespaces(context.Context, *ListNamespacesInput, ...func(*Options)) (*ListNamespacesOutput, error)
}
var _ ListNamespacesAPIClient = (*Client)(nil)
// ListNamespacesPaginatorOptions is the paginator options for ListNamespaces
type ListNamespacesPaginatorOptions struct {
// The maximum number of namespaces that you want Cloud Map to return in the
// response to a ListNamespaces request. If you don't specify a value for
// MaxResults , Cloud Map returns up to 100 namespaces.
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
}
// ListNamespacesPaginator is a paginator for ListNamespaces
type ListNamespacesPaginator struct {
options ListNamespacesPaginatorOptions
client ListNamespacesAPIClient
params *ListNamespacesInput
nextToken *string
firstPage bool
}
// NewListNamespacesPaginator returns a new ListNamespacesPaginator
func NewListNamespacesPaginator(client ListNamespacesAPIClient, params *ListNamespacesInput, optFns ...func(*ListNamespacesPaginatorOptions)) *ListNamespacesPaginator {
if params == nil {
params = &ListNamespacesInput{}
}
options := ListNamespacesPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListNamespacesPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListNamespacesPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListNamespaces page.
func (p *ListNamespacesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListNamespacesOutput, 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.ListNamespaces(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_opListNamespaces(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "ListNamespaces",
}
}