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, c.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	noSmithyDocumentSerde
57}
58
59type ListSchemaVersionsOutput struct {
60
61	// A continuation token for paginating the returned list of tokens, returned if the
62	// current segment of the list is not the last.
63	NextToken *string
64
65	// An array of SchemaVersionList objects containing details of each schema version.
66	Schemas []types.SchemaVersionListItem
67
68	// Metadata pertaining to the operation's result.
69	ResultMetadata middleware.Metadata
70
71	noSmithyDocumentSerde
72}
73
74func (c *Client) addOperationListSchemaVersionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
75	err = stack.Serialize.Add(&awsAwsjson11_serializeOpListSchemaVersions{}, middleware.After)
76	if err != nil {
77		return err
78	}
79	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListSchemaVersions{}, middleware.After)
80	if err != nil {
81		return err
82	}
83	if err = addSetLoggerMiddleware(stack, options); err != nil {
84		return err
85	}
86	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
87		return err
88	}
89	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
90		return err
91	}
92	if err = addResolveEndpointMiddleware(stack, options); err != nil {
93		return err
94	}
95	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
96		return err
97	}
98	if err = addRetryMiddlewares(stack, options); err != nil {
99		return err
100	}
101	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
102		return err
103	}
104	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
105		return err
106	}
107	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
108		return err
109	}
110	if err = addClientUserAgent(stack); err != nil {
111		return err
112	}
113	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
114		return err
115	}
116	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
117		return err
118	}
119	if err = addOpListSchemaVersionsValidationMiddleware(stack); err != nil {
120		return err
121	}
122	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListSchemaVersions(options.Region), middleware.Before); err != nil {
123		return err
124	}
125	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
126		return err
127	}
128	if err = addResponseErrorMiddleware(stack); err != nil {
129		return err
130	}
131	if err = addRequestResponseLogging(stack, options); err != nil {
132		return err
133	}
134	return nil
135}
136
137// ListSchemaVersionsAPIClient is a client that implements the ListSchemaVersions
138// operation.
139type ListSchemaVersionsAPIClient interface {
140	ListSchemaVersions(context.Context, *ListSchemaVersionsInput, ...func(*Options)) (*ListSchemaVersionsOutput, error)
141}
142
143var _ ListSchemaVersionsAPIClient = (*Client)(nil)
144
145// ListSchemaVersionsPaginatorOptions is the paginator options for
146// ListSchemaVersions
147type ListSchemaVersionsPaginatorOptions struct {
148	// Maximum number of results required per page. If the value is not supplied, this
149	// will be defaulted to 25 per page.
150	Limit int32
151
152	// Set to true if pagination should stop if the service returns a pagination token
153	// that matches the most recent token provided to the service.
154	StopOnDuplicateToken bool
155}
156
157// ListSchemaVersionsPaginator is a paginator for ListSchemaVersions
158type ListSchemaVersionsPaginator struct {
159	options   ListSchemaVersionsPaginatorOptions
160	client    ListSchemaVersionsAPIClient
161	params    *ListSchemaVersionsInput
162	nextToken *string
163	firstPage bool
164}
165
166// NewListSchemaVersionsPaginator returns a new ListSchemaVersionsPaginator
167func NewListSchemaVersionsPaginator(client ListSchemaVersionsAPIClient, params *ListSchemaVersionsInput, optFns ...func(*ListSchemaVersionsPaginatorOptions)) *ListSchemaVersionsPaginator {
168	if params == nil {
169		params = &ListSchemaVersionsInput{}
170	}
171
172	options := ListSchemaVersionsPaginatorOptions{}
173	if params.MaxResults != nil {
174		options.Limit = *params.MaxResults
175	}
176
177	for _, fn := range optFns {
178		fn(&options)
179	}
180
181	return &ListSchemaVersionsPaginator{
182		options:   options,
183		client:    client,
184		params:    params,
185		firstPage: true,
186	}
187}
188
189// HasMorePages returns a boolean indicating whether more pages are available
190func (p *ListSchemaVersionsPaginator) HasMorePages() bool {
191	return p.firstPage || p.nextToken != nil
192}
193
194// NextPage retrieves the next ListSchemaVersions page.
195func (p *ListSchemaVersionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListSchemaVersionsOutput, error) {
196	if !p.HasMorePages() {
197		return nil, fmt.Errorf("no more pages available")
198	}
199
200	params := *p.params
201	params.NextToken = p.nextToken
202
203	var limit *int32
204	if p.options.Limit > 0 {
205		limit = &p.options.Limit
206	}
207	params.MaxResults = limit
208
209	result, err := p.client.ListSchemaVersions(ctx, &params, optFns...)
210	if err != nil {
211		return nil, err
212	}
213	p.firstPage = false
214
215	prevToken := p.nextToken
216	p.nextToken = result.NextToken
217
218	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
219		p.nextToken = nil
220	}
221
222	return result, nil
223}
224
225func newServiceMetadataMiddleware_opListSchemaVersions(region string) *awsmiddleware.RegisterServiceMetadata {
226	return &awsmiddleware.RegisterServiceMetadata{
227		Region:        region,
228		ServiceID:     ServiceID,
229		SigningName:   "glue",
230		OperationName: "ListSchemaVersions",
231	}
232}
233