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api_op_DescribeGlobalClusters.go
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api_op_DescribeGlobalClusters.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package neptune
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/neptune/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns information about Neptune global database clusters. This API supports
// pagination.
func (c *Client) DescribeGlobalClusters(ctx context.Context, params *DescribeGlobalClustersInput, optFns ...func(*Options)) (*DescribeGlobalClustersOutput, error) {
if params == nil {
params = &DescribeGlobalClustersInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeGlobalClusters", params, optFns, c.addOperationDescribeGlobalClustersMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeGlobalClustersOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeGlobalClustersInput struct {
// The user-supplied DB cluster identifier. If this parameter is specified, only
// information about the specified DB cluster is returned. This parameter is not
// case-sensitive.
//
// Constraints: If supplied, must match an existing DB cluster identifier.
GlobalClusterIdentifier *string
// (Optional) A pagination token returned by a previous call to
// DescribeGlobalClusters . If this parameter is specified, the response will only
// include records beyond the marker, up to the number specified by MaxRecords .
Marker *string
// The maximum number of records to include in the response. If more records exist
// than the specified MaxRecords value, a pagination marker token is included in
// the response that you can use to retrieve the remaining results.
//
// Default: 100
//
// Constraints: Minimum 20, maximum 100.
MaxRecords *int32
noSmithyDocumentSerde
}
type DescribeGlobalClustersOutput struct {
// The list of global clusters and instances returned by this request.
GlobalClusters []types.GlobalCluster
// A pagination token. If this parameter is returned in the response, more records
// are available, which can be retrieved by one or more additional calls to
// DescribeGlobalClusters .
Marker *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeGlobalClustersMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeGlobalClusters{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeGlobalClusters{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeGlobalClusters"); 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 = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeGlobalClusters(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
}
// DescribeGlobalClustersAPIClient is a client that implements the
// DescribeGlobalClusters operation.
type DescribeGlobalClustersAPIClient interface {
DescribeGlobalClusters(context.Context, *DescribeGlobalClustersInput, ...func(*Options)) (*DescribeGlobalClustersOutput, error)
}
var _ DescribeGlobalClustersAPIClient = (*Client)(nil)
// DescribeGlobalClustersPaginatorOptions is the paginator options for
// DescribeGlobalClusters
type DescribeGlobalClustersPaginatorOptions struct {
// The maximum number of records to include in the response. If more records exist
// than the specified MaxRecords value, a pagination marker token is included in
// the response that you can use to retrieve the remaining results.
//
// Default: 100
//
// Constraints: Minimum 20, maximum 100.
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
}
// DescribeGlobalClustersPaginator is a paginator for DescribeGlobalClusters
type DescribeGlobalClustersPaginator struct {
options DescribeGlobalClustersPaginatorOptions
client DescribeGlobalClustersAPIClient
params *DescribeGlobalClustersInput
nextToken *string
firstPage bool
}
// NewDescribeGlobalClustersPaginator returns a new DescribeGlobalClustersPaginator
func NewDescribeGlobalClustersPaginator(client DescribeGlobalClustersAPIClient, params *DescribeGlobalClustersInput, optFns ...func(*DescribeGlobalClustersPaginatorOptions)) *DescribeGlobalClustersPaginator {
if params == nil {
params = &DescribeGlobalClustersInput{}
}
options := DescribeGlobalClustersPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeGlobalClustersPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeGlobalClustersPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeGlobalClusters page.
func (p *DescribeGlobalClustersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeGlobalClustersOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.Marker = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxRecords = limit
result, err := p.client.DescribeGlobalClusters(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.Marker
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opDescribeGlobalClusters(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeGlobalClusters",
}
}