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api_op_ListEntityRecognizers.go
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/
api_op_ListEntityRecognizers.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package comprehend
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/comprehend/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Gets a list of the properties of all entity recognizers that you created,
// including recognizers currently in training. Allows you to filter the list of
// recognizers based on criteria such as status and submission time. This call
// returns up to 500 entity recognizers in the list, with a default number of 100
// recognizers in the list. The results of this list are not in any particular
// order. Please get the list and sort locally if needed.
func (c *Client) ListEntityRecognizers(ctx context.Context, params *ListEntityRecognizersInput, optFns ...func(*Options)) (*ListEntityRecognizersOutput, error) {
if params == nil {
params = &ListEntityRecognizersInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListEntityRecognizers", params, optFns, c.addOperationListEntityRecognizersMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListEntityRecognizersOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListEntityRecognizersInput struct {
// Filters the list of entities returned. You can filter on Status,
// SubmitTimeBefore, or SubmitTimeAfter. You can only set one filter at a time.
Filter *types.EntityRecognizerFilter
// The maximum number of results to return on each page. The default is 100.
MaxResults *int32
// Identifies the next page of results to return.
NextToken *string
noSmithyDocumentSerde
}
type ListEntityRecognizersOutput struct {
// The list of properties of an entity recognizer.
EntityRecognizerPropertiesList []types.EntityRecognizerProperties
// Identifies the next page of results to return.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListEntityRecognizersMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpListEntityRecognizers{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListEntityRecognizers{}, 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_opListEntityRecognizers(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
}
// ListEntityRecognizersAPIClient is a client that implements the
// ListEntityRecognizers operation.
type ListEntityRecognizersAPIClient interface {
ListEntityRecognizers(context.Context, *ListEntityRecognizersInput, ...func(*Options)) (*ListEntityRecognizersOutput, error)
}
var _ ListEntityRecognizersAPIClient = (*Client)(nil)
// ListEntityRecognizersPaginatorOptions is the paginator options for
// ListEntityRecognizers
type ListEntityRecognizersPaginatorOptions struct {
// The maximum number of results to return on each page. The default is 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
}
// ListEntityRecognizersPaginator is a paginator for ListEntityRecognizers
type ListEntityRecognizersPaginator struct {
options ListEntityRecognizersPaginatorOptions
client ListEntityRecognizersAPIClient
params *ListEntityRecognizersInput
nextToken *string
firstPage bool
}
// NewListEntityRecognizersPaginator returns a new ListEntityRecognizersPaginator
func NewListEntityRecognizersPaginator(client ListEntityRecognizersAPIClient, params *ListEntityRecognizersInput, optFns ...func(*ListEntityRecognizersPaginatorOptions)) *ListEntityRecognizersPaginator {
if params == nil {
params = &ListEntityRecognizersInput{}
}
options := ListEntityRecognizersPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListEntityRecognizersPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListEntityRecognizersPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListEntityRecognizers page.
func (p *ListEntityRecognizersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListEntityRecognizersOutput, 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.ListEntityRecognizers(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_opListEntityRecognizers(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "comprehend",
OperationName: "ListEntityRecognizers",
}
}