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package amplifybackend
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
)
// ListBackendJobsPaginatorOptions is the paginator options for ListBackendJobs
type ListBackendJobsPaginatorOptions struct {
// (Optional) The maximum number of shards to return in a single call
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
}
// ListBackendJobsPaginator is a paginator for ListBackendJobs
type ListBackendJobsPaginator struct {
options ListBackendJobsPaginatorOptions
client ListBackendJobsAPIClient
params *ListBackendJobsInput
firstPage bool
nextToken *string
isTruncated bool
}
// ListBackendJobsAPIClient is a client that implements the ListBackendJobs operation.
type ListBackendJobsAPIClient interface {
ListBackendJobs(context.Context, *ListBackendJobsInput, ...func(*Options)) (*ListBackendJobsOutput, error)
}
// NewListBackendJobsPaginator returns a new ListBackendJobsPaginator
func NewListBackendJobsPaginator(client ListBackendJobsAPIClient, params *ListBackendJobsInput, optFns ...func(options *ListBackendJobsPaginatorOptions)) *ListBackendJobsPaginator {
if params == nil {
params = &ListBackendJobsInput{}
}
options := ListBackendJobsPaginatorOptions{}
options.Limit = aws.ToInt32(params.MaxResults)
for _, fn := range optFns {
fn(&options)
}
return &ListBackendJobsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListBackendJobsPaginator) HasMorePages() bool {
return p.firstPage || p.isTruncated
}
// NextPage retrieves the next ListBackendJobs page.
func (p *ListBackendJobsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListBackendJobsOutput, 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 = aws.Int32(limit)
result, err := p.client.ListBackendJobs(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.isTruncated = result.NextToken != nil
p.nextToken = nil
if result.NextToken != nil {
p.nextToken = result.NextToken
}
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.isTruncated = false
}
return result, nil
}
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