1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package iotthingsgraph
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/iotthingsgraph/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Lists all tags on an AWS IoT Things Graph resource.
16func (c *Client) ListTagsForResource(ctx context.Context, params *ListTagsForResourceInput, optFns ...func(*Options)) (*ListTagsForResourceOutput, error) {
17	if params == nil {
18		params = &ListTagsForResourceInput{}
19	}
20
21	result, metadata, err := c.invokeOperation(ctx, "ListTagsForResource", params, optFns, addOperationListTagsForResourceMiddlewares)
22	if err != nil {
23		return nil, err
24	}
25
26	out := result.(*ListTagsForResourceOutput)
27	out.ResultMetadata = metadata
28	return out, nil
29}
30
31type ListTagsForResourceInput struct {
32
33	// The Amazon Resource Name (ARN) of the resource whose tags are to be returned.
34	//
35	// This member is required.
36	ResourceArn *string
37
38	// The maximum number of tags to return.
39	MaxResults *int32
40
41	// The token that specifies the next page of results to return.
42	NextToken *string
43}
44
45type ListTagsForResourceOutput struct {
46
47	// The token that specifies the next page of results to return.
48	NextToken *string
49
50	// List of tags returned by the ListTagsForResource operation.
51	Tags []types.Tag
52
53	// Metadata pertaining to the operation's result.
54	ResultMetadata middleware.Metadata
55}
56
57func addOperationListTagsForResourceMiddlewares(stack *middleware.Stack, options Options) (err error) {
58	err = stack.Serialize.Add(&awsAwsjson11_serializeOpListTagsForResource{}, middleware.After)
59	if err != nil {
60		return err
61	}
62	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListTagsForResource{}, middleware.After)
63	if err != nil {
64		return err
65	}
66	if err = addSetLoggerMiddleware(stack, options); err != nil {
67		return err
68	}
69	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
70		return err
71	}
72	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
73		return err
74	}
75	if err = addResolveEndpointMiddleware(stack, options); err != nil {
76		return err
77	}
78	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
79		return err
80	}
81	if err = addRetryMiddlewares(stack, options); err != nil {
82		return err
83	}
84	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
85		return err
86	}
87	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
88		return err
89	}
90	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
91		return err
92	}
93	if err = addClientUserAgent(stack); err != nil {
94		return err
95	}
96	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
97		return err
98	}
99	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
100		return err
101	}
102	if err = addOpListTagsForResourceValidationMiddleware(stack); err != nil {
103		return err
104	}
105	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListTagsForResource(options.Region), middleware.Before); err != nil {
106		return err
107	}
108	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
109		return err
110	}
111	if err = addResponseErrorMiddleware(stack); err != nil {
112		return err
113	}
114	if err = addRequestResponseLogging(stack, options); err != nil {
115		return err
116	}
117	return nil
118}
119
120// ListTagsForResourceAPIClient is a client that implements the ListTagsForResource
121// operation.
122type ListTagsForResourceAPIClient interface {
123	ListTagsForResource(context.Context, *ListTagsForResourceInput, ...func(*Options)) (*ListTagsForResourceOutput, error)
124}
125
126var _ ListTagsForResourceAPIClient = (*Client)(nil)
127
128// ListTagsForResourcePaginatorOptions is the paginator options for
129// ListTagsForResource
130type ListTagsForResourcePaginatorOptions struct {
131	// The maximum number of tags to return.
132	Limit int32
133
134	// Set to true if pagination should stop if the service returns a pagination token
135	// that matches the most recent token provided to the service.
136	StopOnDuplicateToken bool
137}
138
139// ListTagsForResourcePaginator is a paginator for ListTagsForResource
140type ListTagsForResourcePaginator struct {
141	options   ListTagsForResourcePaginatorOptions
142	client    ListTagsForResourceAPIClient
143	params    *ListTagsForResourceInput
144	nextToken *string
145	firstPage bool
146}
147
148// NewListTagsForResourcePaginator returns a new ListTagsForResourcePaginator
149func NewListTagsForResourcePaginator(client ListTagsForResourceAPIClient, params *ListTagsForResourceInput, optFns ...func(*ListTagsForResourcePaginatorOptions)) *ListTagsForResourcePaginator {
150	options := ListTagsForResourcePaginatorOptions{}
151	if params.MaxResults != nil {
152		options.Limit = *params.MaxResults
153	}
154
155	for _, fn := range optFns {
156		fn(&options)
157	}
158
159	if params == nil {
160		params = &ListTagsForResourceInput{}
161	}
162
163	return &ListTagsForResourcePaginator{
164		options:   options,
165		client:    client,
166		params:    params,
167		firstPage: true,
168	}
169}
170
171// HasMorePages returns a boolean indicating whether more pages are available
172func (p *ListTagsForResourcePaginator) HasMorePages() bool {
173	return p.firstPage || p.nextToken != nil
174}
175
176// NextPage retrieves the next ListTagsForResource page.
177func (p *ListTagsForResourcePaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListTagsForResourceOutput, error) {
178	if !p.HasMorePages() {
179		return nil, fmt.Errorf("no more pages available")
180	}
181
182	params := *p.params
183	params.NextToken = p.nextToken
184
185	var limit *int32
186	if p.options.Limit > 0 {
187		limit = &p.options.Limit
188	}
189	params.MaxResults = limit
190
191	result, err := p.client.ListTagsForResource(ctx, &params, optFns...)
192	if err != nil {
193		return nil, err
194	}
195	p.firstPage = false
196
197	prevToken := p.nextToken
198	p.nextToken = result.NextToken
199
200	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
201		p.nextToken = nil
202	}
203
204	return result, nil
205}
206
207func newServiceMetadataMiddleware_opListTagsForResource(region string) *awsmiddleware.RegisterServiceMetadata {
208	return &awsmiddleware.RegisterServiceMetadata{
209		Region:        region,
210		ServiceID:     ServiceID,
211		SigningName:   "iotthingsgraph",
212		OperationName: "ListTagsForResource",
213	}
214}
215