1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package glue
4
5import (
6	"context"
7	"fmt"
8	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
9	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
10	"github.com/aws/aws-sdk-go-v2/service/glue/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns a list of schema versions that you have created, with minimal
16// information. Schema versions in Deleted status will not be included in the
17// results. Empty results will be returned if there are no schema versions
18// available.
19func (c *Client) ListSchemaVersions(ctx context.Context, params *ListSchemaVersionsInput, optFns ...func(*Options)) (*ListSchemaVersionsOutput, error) {
20	if params == nil {
21		params = &ListSchemaVersionsInput{}
22	}
23
24	result, metadata, err := c.invokeOperation(ctx, "ListSchemaVersions", params, optFns, addOperationListSchemaVersionsMiddlewares)
25	if err != nil {
26		return nil, err
27	}
28
29	out := result.(*ListSchemaVersionsOutput)
30	out.ResultMetadata = metadata
31	return out, nil
32}
33
34type ListSchemaVersionsInput struct {
35
36	// This is a wrapper structure to contain schema identity fields. The structure
37	// contains:
38	//
39	// * SchemaId$SchemaArn: The Amazon Resource Name (ARN) of the schema.
40	// Either SchemaArn or SchemaName and RegistryName has to be provided.
41	//
42	// *
43	// SchemaId$SchemaName: The name of the schema. Either SchemaArn or SchemaName and
44	// RegistryName has to be provided.
45	//
46	// This member is required.
47	SchemaId *types.SchemaId
48
49	// Maximum number of results required per page. If the value is not supplied, this
50	// will be defaulted to 25 per page.
51	MaxResults *int32
52
53	// A continuation token, if this is a continuation call.
54	NextToken *string
55}
56
57type ListSchemaVersionsOutput struct {
58
59	// A continuation token for paginating the returned list of tokens, returned if the
60	// current segment of the list is not the last.
61	NextToken *string
62
63	// An array of SchemaVersionList objects containing details of each schema version.
64	Schemas []types.SchemaVersionListItem
65
66	// Metadata pertaining to the operation's result.
67	ResultMetadata middleware.Metadata
68}
69
70func addOperationListSchemaVersionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
71	err = stack.Serialize.Add(&awsAwsjson11_serializeOpListSchemaVersions{}, middleware.After)
72	if err != nil {
73		return err
74	}
75	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListSchemaVersions{}, middleware.After)
76	if err != nil {
77		return err
78	}
79	if err = addSetLoggerMiddleware(stack, options); err != nil {
80		return err
81	}
82	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
83		return err
84	}
85	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
86		return err
87	}
88	if err = addResolveEndpointMiddleware(stack, options); err != nil {
89		return err
90	}
91	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
92		return err
93	}
94	if err = addRetryMiddlewares(stack, options); err != nil {
95		return err
96	}
97	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
98		return err
99	}
100	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
101		return err
102	}
103	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
104		return err
105	}
106	if err = addClientUserAgent(stack); err != nil {
107		return err
108	}
109	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
110		return err
111	}
112	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
113		return err
114	}
115	if err = addOpListSchemaVersionsValidationMiddleware(stack); err != nil {
116		return err
117	}
118	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListSchemaVersions(options.Region), middleware.Before); err != nil {
119		return err
120	}
121	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
122		return err
123	}
124	if err = addResponseErrorMiddleware(stack); err != nil {
125		return err
126	}
127	if err = addRequestResponseLogging(stack, options); err != nil {
128		return err
129	}
130	return nil
131}
132
133// ListSchemaVersionsAPIClient is a client that implements the ListSchemaVersions
134// operation.
135type ListSchemaVersionsAPIClient interface {
136	ListSchemaVersions(context.Context, *ListSchemaVersionsInput, ...func(*Options)) (*ListSchemaVersionsOutput, error)
137}
138
139var _ ListSchemaVersionsAPIClient = (*Client)(nil)
140
141// ListSchemaVersionsPaginatorOptions is the paginator options for
142// ListSchemaVersions
143type ListSchemaVersionsPaginatorOptions struct {
144	// Maximum number of results required per page. If the value is not supplied, this
145	// will be defaulted to 25 per page.
146	Limit int32
147
148	// Set to true if pagination should stop if the service returns a pagination token
149	// that matches the most recent token provided to the service.
150	StopOnDuplicateToken bool
151}
152
153// ListSchemaVersionsPaginator is a paginator for ListSchemaVersions
154type ListSchemaVersionsPaginator struct {
155	options   ListSchemaVersionsPaginatorOptions
156	client    ListSchemaVersionsAPIClient
157	params    *ListSchemaVersionsInput
158	nextToken *string
159	firstPage bool
160}
161
162// NewListSchemaVersionsPaginator returns a new ListSchemaVersionsPaginator
163func NewListSchemaVersionsPaginator(client ListSchemaVersionsAPIClient, params *ListSchemaVersionsInput, optFns ...func(*ListSchemaVersionsPaginatorOptions)) *ListSchemaVersionsPaginator {
164	options := ListSchemaVersionsPaginatorOptions{}
165	if params.MaxResults != nil {
166		options.Limit = *params.MaxResults
167	}
168
169	for _, fn := range optFns {
170		fn(&options)
171	}
172
173	if params == nil {
174		params = &ListSchemaVersionsInput{}
175	}
176
177	return &ListSchemaVersionsPaginator{
178		options:   options,
179		client:    client,
180		params:    params,
181		firstPage: true,
182	}
183}
184
185// HasMorePages returns a boolean indicating whether more pages are available
186func (p *ListSchemaVersionsPaginator) HasMorePages() bool {
187	return p.firstPage || p.nextToken != nil
188}
189
190// NextPage retrieves the next ListSchemaVersions page.
191func (p *ListSchemaVersionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListSchemaVersionsOutput, error) {
192	if !p.HasMorePages() {
193		return nil, fmt.Errorf("no more pages available")
194	}
195
196	params := *p.params
197	params.NextToken = p.nextToken
198
199	var limit *int32
200	if p.options.Limit > 0 {
201		limit = &p.options.Limit
202	}
203	params.MaxResults = limit
204
205	result, err := p.client.ListSchemaVersions(ctx, &params, optFns...)
206	if err != nil {
207		return nil, err
208	}
209	p.firstPage = false
210
211	prevToken := p.nextToken
212	p.nextToken = result.NextToken
213
214	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
215		p.nextToken = nil
216	}
217
218	return result, nil
219}
220
221func newServiceMetadataMiddleware_opListSchemaVersions(region string) *awsmiddleware.RegisterServiceMetadata {
222	return &awsmiddleware.RegisterServiceMetadata{
223		Region:        region,
224		ServiceID:     ServiceID,
225		SigningName:   "glue",
226		OperationName: "ListSchemaVersions",
227	}
228}
229