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api_op_ListComponents.go
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api_op_ListComponents.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package greengrassv2
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/greengrassv2/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Retrieves a paginated list of component summaries. This list includes components
// that you have permission to view.
func (c *Client) ListComponents(ctx context.Context, params *ListComponentsInput, optFns ...func(*Options)) (*ListComponentsOutput, error) {
if params == nil {
params = &ListComponentsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListComponents", params, optFns, c.addOperationListComponentsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListComponentsOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListComponentsInput struct {
// The maximum number of results to be returned per paginated request.
MaxResults int32
// The token to be used for the next set of paginated results.
NextToken *string
// The scope of the components to list. Default: PRIVATE
Scope types.ComponentVisibilityScope
noSmithyDocumentSerde
}
type ListComponentsOutput struct {
// A list that summarizes each component.
Components []types.Component
// The token for the next set of results, or null if there are no additional
// results.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListComponentsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpListComponents{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListComponents{}, middleware.After)
if err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListComponents(options.Region), middleware.Before); 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
}
return nil
}
// ListComponentsAPIClient is a client that implements the ListComponents
// operation.
type ListComponentsAPIClient interface {
ListComponents(context.Context, *ListComponentsInput, ...func(*Options)) (*ListComponentsOutput, error)
}
var _ ListComponentsAPIClient = (*Client)(nil)
// ListComponentsPaginatorOptions is the paginator options for ListComponents
type ListComponentsPaginatorOptions struct {
// The maximum number of results to be returned per paginated request.
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
}
// ListComponentsPaginator is a paginator for ListComponents
type ListComponentsPaginator struct {
options ListComponentsPaginatorOptions
client ListComponentsAPIClient
params *ListComponentsInput
nextToken *string
firstPage bool
}
// NewListComponentsPaginator returns a new ListComponentsPaginator
func NewListComponentsPaginator(client ListComponentsAPIClient, params *ListComponentsInput, optFns ...func(*ListComponentsPaginatorOptions)) *ListComponentsPaginator {
if params == nil {
params = &ListComponentsInput{}
}
options := ListComponentsPaginatorOptions{}
if params.MaxResults != 0 {
options.Limit = params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListComponentsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListComponentsPaginator) HasMorePages() bool {
return p.firstPage || p.nextToken != nil
}
// NextPage retrieves the next ListComponents page.
func (p *ListComponentsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListComponentsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
params.MaxResults = p.options.Limit
result, err := p.client.ListComponents(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_opListComponents(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "greengrass",
OperationName: "ListComponents",
}
}