/
api_op_GetSlotTypeVersions.go
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/
api_op_GetSlotTypeVersions.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package lexmodelbuildingservice
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/lexmodelbuildingservice/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Gets information about all versions of a slot type. The GetSlotTypeVersions
// operation returns a SlotTypeMetadata object for each version of a slot type. For
// example, if a slot type has three numbered versions, the GetSlotTypeVersions
// operation returns four SlotTypeMetadata objects in the response, one for each
// numbered version and one for the $LATEST version. The GetSlotTypeVersions
// operation always returns at least one version, the $LATEST version. This
// operation requires permissions for the lex:GetSlotTypeVersions action.
func (c *Client) GetSlotTypeVersions(ctx context.Context, params *GetSlotTypeVersionsInput, optFns ...func(*Options)) (*GetSlotTypeVersionsOutput, error) {
if params == nil {
params = &GetSlotTypeVersionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetSlotTypeVersions", params, optFns, c.addOperationGetSlotTypeVersionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetSlotTypeVersionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetSlotTypeVersionsInput struct {
// The name of the slot type for which versions should be returned.
//
// This member is required.
Name *string
// The maximum number of slot type versions to return in the response. The default
// is 10.
MaxResults *int32
// A pagination token for fetching the next page of slot type versions. If the
// response to this call is truncated, Amazon Lex returns a pagination token in the
// response. To fetch the next page of versions, specify the pagination token in
// the next request.
NextToken *string
noSmithyDocumentSerde
}
type GetSlotTypeVersionsOutput struct {
// A pagination token for fetching the next page of slot type versions. If the
// response to this call is truncated, Amazon Lex returns a pagination token in the
// response. To fetch the next page of versions, specify the pagination token in
// the next request.
NextToken *string
// An array of SlotTypeMetadata objects, one for each numbered version of the slot
// type plus one for the $LATEST version.
SlotTypes []types.SlotTypeMetadata
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetSlotTypeVersionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpGetSlotTypeVersions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetSlotTypeVersions{}, 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 = addOpGetSlotTypeVersionsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetSlotTypeVersions(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
}
// GetSlotTypeVersionsAPIClient is a client that implements the GetSlotTypeVersions
// operation.
type GetSlotTypeVersionsAPIClient interface {
GetSlotTypeVersions(context.Context, *GetSlotTypeVersionsInput, ...func(*Options)) (*GetSlotTypeVersionsOutput, error)
}
var _ GetSlotTypeVersionsAPIClient = (*Client)(nil)
// GetSlotTypeVersionsPaginatorOptions is the paginator options for
// GetSlotTypeVersions
type GetSlotTypeVersionsPaginatorOptions struct {
// The maximum number of slot type versions to return in the response. The default
// is 10.
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
}
// GetSlotTypeVersionsPaginator is a paginator for GetSlotTypeVersions
type GetSlotTypeVersionsPaginator struct {
options GetSlotTypeVersionsPaginatorOptions
client GetSlotTypeVersionsAPIClient
params *GetSlotTypeVersionsInput
nextToken *string
firstPage bool
}
// NewGetSlotTypeVersionsPaginator returns a new GetSlotTypeVersionsPaginator
func NewGetSlotTypeVersionsPaginator(client GetSlotTypeVersionsAPIClient, params *GetSlotTypeVersionsInput, optFns ...func(*GetSlotTypeVersionsPaginatorOptions)) *GetSlotTypeVersionsPaginator {
if params == nil {
params = &GetSlotTypeVersionsInput{}
}
options := GetSlotTypeVersionsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &GetSlotTypeVersionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *GetSlotTypeVersionsPaginator) HasMorePages() bool {
return p.firstPage || p.nextToken != nil
}
// NextPage retrieves the next GetSlotTypeVersions page.
func (p *GetSlotTypeVersionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*GetSlotTypeVersionsOutput, 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.GetSlotTypeVersions(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_opGetSlotTypeVersions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "lex",
OperationName: "GetSlotTypeVersions",
}
}