1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package greengrassv2
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/greengrassv2/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Retrieves a paginated list of the components that a AWS IoT Greengrass core
16// device runs.
17func (c *Client) ListInstalledComponents(ctx context.Context, params *ListInstalledComponentsInput, optFns ...func(*Options)) (*ListInstalledComponentsOutput, error) {
18	if params == nil {
19		params = &ListInstalledComponentsInput{}
20	}
21
22	result, metadata, err := c.invokeOperation(ctx, "ListInstalledComponents", params, optFns, addOperationListInstalledComponentsMiddlewares)
23	if err != nil {
24		return nil, err
25	}
26
27	out := result.(*ListInstalledComponentsOutput)
28	out.ResultMetadata = metadata
29	return out, nil
30}
31
32type ListInstalledComponentsInput struct {
33
34	// The name of the core device. This is also the name of the AWS IoT thing.
35	//
36	// This member is required.
37	CoreDeviceThingName *string
38
39	// The maximum number of results to be returned per paginated request.
40	MaxResults int32
41
42	// The token to be used for the next set of paginated results.
43	NextToken *string
44}
45
46type ListInstalledComponentsOutput struct {
47
48	// A list that summarizes each component on the core device.
49	InstalledComponents []types.InstalledComponent
50
51	// The token for the next set of results, or null if there are no additional
52	// results.
53	NextToken *string
54
55	// Metadata pertaining to the operation's result.
56	ResultMetadata middleware.Metadata
57}
58
59func addOperationListInstalledComponentsMiddlewares(stack *middleware.Stack, options Options) (err error) {
60	err = stack.Serialize.Add(&awsRestjson1_serializeOpListInstalledComponents{}, middleware.After)
61	if err != nil {
62		return err
63	}
64	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListInstalledComponents{}, middleware.After)
65	if err != nil {
66		return err
67	}
68	if err = addSetLoggerMiddleware(stack, options); err != nil {
69		return err
70	}
71	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
72		return err
73	}
74	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
75		return err
76	}
77	if err = addResolveEndpointMiddleware(stack, options); err != nil {
78		return err
79	}
80	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
81		return err
82	}
83	if err = addRetryMiddlewares(stack, options); err != nil {
84		return err
85	}
86	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
87		return err
88	}
89	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
90		return err
91	}
92	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
93		return err
94	}
95	if err = addClientUserAgent(stack); err != nil {
96		return err
97	}
98	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
99		return err
100	}
101	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
102		return err
103	}
104	if err = addOpListInstalledComponentsValidationMiddleware(stack); err != nil {
105		return err
106	}
107	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListInstalledComponents(options.Region), middleware.Before); err != nil {
108		return err
109	}
110	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
111		return err
112	}
113	if err = addResponseErrorMiddleware(stack); err != nil {
114		return err
115	}
116	if err = addRequestResponseLogging(stack, options); err != nil {
117		return err
118	}
119	return nil
120}
121
122// ListInstalledComponentsAPIClient is a client that implements the
123// ListInstalledComponents operation.
124type ListInstalledComponentsAPIClient interface {
125	ListInstalledComponents(context.Context, *ListInstalledComponentsInput, ...func(*Options)) (*ListInstalledComponentsOutput, error)
126}
127
128var _ ListInstalledComponentsAPIClient = (*Client)(nil)
129
130// ListInstalledComponentsPaginatorOptions is the paginator options for
131// ListInstalledComponents
132type ListInstalledComponentsPaginatorOptions struct {
133	// The maximum number of results to be returned per paginated request.
134	Limit int32
135
136	// Set to true if pagination should stop if the service returns a pagination token
137	// that matches the most recent token provided to the service.
138	StopOnDuplicateToken bool
139}
140
141// ListInstalledComponentsPaginator is a paginator for ListInstalledComponents
142type ListInstalledComponentsPaginator struct {
143	options   ListInstalledComponentsPaginatorOptions
144	client    ListInstalledComponentsAPIClient
145	params    *ListInstalledComponentsInput
146	nextToken *string
147	firstPage bool
148}
149
150// NewListInstalledComponentsPaginator returns a new
151// ListInstalledComponentsPaginator
152func NewListInstalledComponentsPaginator(client ListInstalledComponentsAPIClient, params *ListInstalledComponentsInput, optFns ...func(*ListInstalledComponentsPaginatorOptions)) *ListInstalledComponentsPaginator {
153	options := ListInstalledComponentsPaginatorOptions{}
154	if params.MaxResults != 0 {
155		options.Limit = params.MaxResults
156	}
157
158	for _, fn := range optFns {
159		fn(&options)
160	}
161
162	if params == nil {
163		params = &ListInstalledComponentsInput{}
164	}
165
166	return &ListInstalledComponentsPaginator{
167		options:   options,
168		client:    client,
169		params:    params,
170		firstPage: true,
171	}
172}
173
174// HasMorePages returns a boolean indicating whether more pages are available
175func (p *ListInstalledComponentsPaginator) HasMorePages() bool {
176	return p.firstPage || p.nextToken != nil
177}
178
179// NextPage retrieves the next ListInstalledComponents page.
180func (p *ListInstalledComponentsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListInstalledComponentsOutput, error) {
181	if !p.HasMorePages() {
182		return nil, fmt.Errorf("no more pages available")
183	}
184
185	params := *p.params
186	params.NextToken = p.nextToken
187
188	params.MaxResults = p.options.Limit
189
190	result, err := p.client.ListInstalledComponents(ctx, &params, optFns...)
191	if err != nil {
192		return nil, err
193	}
194	p.firstPage = false
195
196	prevToken := p.nextToken
197	p.nextToken = result.NextToken
198
199	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
200		p.nextToken = nil
201	}
202
203	return result, nil
204}
205
206func newServiceMetadataMiddleware_opListInstalledComponents(region string) *awsmiddleware.RegisterServiceMetadata {
207	return &awsmiddleware.RegisterServiceMetadata{
208		Region:        region,
209		ServiceID:     ServiceID,
210		SigningName:   "greengrass",
211		OperationName: "ListInstalledComponents",
212	}
213}
214