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, ¶ms, 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