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api_op_ListSchemas.go
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api_op_ListSchemas.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package personalize
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/personalize/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns the list of schemas associated with the account. The response provides
// the properties for each schema, including the Amazon Resource Name (ARN). For
// more information on schemas, see CreateSchema.
func (c *Client) ListSchemas(ctx context.Context, params *ListSchemasInput, optFns ...func(*Options)) (*ListSchemasOutput, error) {
if params == nil {
params = &ListSchemasInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListSchemas", params, optFns, c.addOperationListSchemasMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListSchemasOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListSchemasInput struct {
// The maximum number of schemas to return.
MaxResults *int32
// A token returned from the previous call to ListSchemas for getting the next set
// of schemas (if they exist).
NextToken *string
noSmithyDocumentSerde
}
type ListSchemasOutput struct {
// A token used to get the next set of schemas (if they exist).
NextToken *string
// A list of schemas.
Schemas []types.DatasetSchemaSummary
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListSchemasMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpListSchemas{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListSchemas{}, 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_opListSchemas(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
}
// ListSchemasAPIClient is a client that implements the ListSchemas operation.
type ListSchemasAPIClient interface {
ListSchemas(context.Context, *ListSchemasInput, ...func(*Options)) (*ListSchemasOutput, error)
}
var _ ListSchemasAPIClient = (*Client)(nil)
// ListSchemasPaginatorOptions is the paginator options for ListSchemas
type ListSchemasPaginatorOptions struct {
// The maximum number of schemas to return.
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
}
// ListSchemasPaginator is a paginator for ListSchemas
type ListSchemasPaginator struct {
options ListSchemasPaginatorOptions
client ListSchemasAPIClient
params *ListSchemasInput
nextToken *string
firstPage bool
}
// NewListSchemasPaginator returns a new ListSchemasPaginator
func NewListSchemasPaginator(client ListSchemasAPIClient, params *ListSchemasInput, optFns ...func(*ListSchemasPaginatorOptions)) *ListSchemasPaginator {
if params == nil {
params = &ListSchemasInput{}
}
options := ListSchemasPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &ListSchemasPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListSchemasPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListSchemas page.
func (p *ListSchemasPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListSchemasOutput, 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.ListSchemas(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_opListSchemas(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "personalize",
OperationName: "ListSchemas",
}
}