1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package clouddirectory
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/clouddirectory/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns all of the ObjectIdentifiers to which a given policy is attached.
16func (c *Client) ListPolicyAttachments(ctx context.Context, params *ListPolicyAttachmentsInput, optFns ...func(*Options)) (*ListPolicyAttachmentsOutput, error) {
17	if params == nil {
18		params = &ListPolicyAttachmentsInput{}
19	}
20
21	result, metadata, err := c.invokeOperation(ctx, "ListPolicyAttachments", params, optFns, addOperationListPolicyAttachmentsMiddlewares)
22	if err != nil {
23		return nil, err
24	}
25
26	out := result.(*ListPolicyAttachmentsOutput)
27	out.ResultMetadata = metadata
28	return out, nil
29}
30
31type ListPolicyAttachmentsInput struct {
32
33	// The Amazon Resource Name (ARN) that is associated with the Directory where
34	// objects reside. For more information, see arns.
35	//
36	// This member is required.
37	DirectoryArn *string
38
39	// The reference that identifies the policy object.
40	//
41	// This member is required.
42	PolicyReference *types.ObjectReference
43
44	// Represents the manner and timing in which the successful write or update of an
45	// object is reflected in a subsequent read operation of that same object.
46	ConsistencyLevel types.ConsistencyLevel
47
48	// The maximum number of items to be retrieved in a single call. This is an
49	// approximate number.
50	MaxResults *int32
51
52	// The pagination token.
53	NextToken *string
54}
55
56type ListPolicyAttachmentsOutput struct {
57
58	// The pagination token.
59	NextToken *string
60
61	// A list of ObjectIdentifiers to which the policy is attached.
62	ObjectIdentifiers []string
63
64	// Metadata pertaining to the operation's result.
65	ResultMetadata middleware.Metadata
66}
67
68func addOperationListPolicyAttachmentsMiddlewares(stack *middleware.Stack, options Options) (err error) {
69	err = stack.Serialize.Add(&awsRestjson1_serializeOpListPolicyAttachments{}, middleware.After)
70	if err != nil {
71		return err
72	}
73	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListPolicyAttachments{}, middleware.After)
74	if err != nil {
75		return err
76	}
77	if err = addSetLoggerMiddleware(stack, options); err != nil {
78		return err
79	}
80	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
81		return err
82	}
83	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
84		return err
85	}
86	if err = addResolveEndpointMiddleware(stack, options); err != nil {
87		return err
88	}
89	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
90		return err
91	}
92	if err = addRetryMiddlewares(stack, options); err != nil {
93		return err
94	}
95	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
96		return err
97	}
98	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
99		return err
100	}
101	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
102		return err
103	}
104	if err = addClientUserAgent(stack); err != nil {
105		return err
106	}
107	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
108		return err
109	}
110	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
111		return err
112	}
113	if err = addOpListPolicyAttachmentsValidationMiddleware(stack); err != nil {
114		return err
115	}
116	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListPolicyAttachments(options.Region), middleware.Before); err != nil {
117		return err
118	}
119	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
120		return err
121	}
122	if err = addResponseErrorMiddleware(stack); err != nil {
123		return err
124	}
125	if err = addRequestResponseLogging(stack, options); err != nil {
126		return err
127	}
128	return nil
129}
130
131// ListPolicyAttachmentsAPIClient is a client that implements the
132// ListPolicyAttachments operation.
133type ListPolicyAttachmentsAPIClient interface {
134	ListPolicyAttachments(context.Context, *ListPolicyAttachmentsInput, ...func(*Options)) (*ListPolicyAttachmentsOutput, error)
135}
136
137var _ ListPolicyAttachmentsAPIClient = (*Client)(nil)
138
139// ListPolicyAttachmentsPaginatorOptions is the paginator options for
140// ListPolicyAttachments
141type ListPolicyAttachmentsPaginatorOptions struct {
142	// The maximum number of items to be retrieved in a single call. This is an
143	// approximate number.
144	Limit int32
145
146	// Set to true if pagination should stop if the service returns a pagination token
147	// that matches the most recent token provided to the service.
148	StopOnDuplicateToken bool
149}
150
151// ListPolicyAttachmentsPaginator is a paginator for ListPolicyAttachments
152type ListPolicyAttachmentsPaginator struct {
153	options   ListPolicyAttachmentsPaginatorOptions
154	client    ListPolicyAttachmentsAPIClient
155	params    *ListPolicyAttachmentsInput
156	nextToken *string
157	firstPage bool
158}
159
160// NewListPolicyAttachmentsPaginator returns a new ListPolicyAttachmentsPaginator
161func NewListPolicyAttachmentsPaginator(client ListPolicyAttachmentsAPIClient, params *ListPolicyAttachmentsInput, optFns ...func(*ListPolicyAttachmentsPaginatorOptions)) *ListPolicyAttachmentsPaginator {
162	if params == nil {
163		params = &ListPolicyAttachmentsInput{}
164	}
165
166	options := ListPolicyAttachmentsPaginatorOptions{}
167	if params.MaxResults != nil {
168		options.Limit = *params.MaxResults
169	}
170
171	for _, fn := range optFns {
172		fn(&options)
173	}
174
175	return &ListPolicyAttachmentsPaginator{
176		options:   options,
177		client:    client,
178		params:    params,
179		firstPage: true,
180	}
181}
182
183// HasMorePages returns a boolean indicating whether more pages are available
184func (p *ListPolicyAttachmentsPaginator) HasMorePages() bool {
185	return p.firstPage || p.nextToken != nil
186}
187
188// NextPage retrieves the next ListPolicyAttachments page.
189func (p *ListPolicyAttachmentsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListPolicyAttachmentsOutput, error) {
190	if !p.HasMorePages() {
191		return nil, fmt.Errorf("no more pages available")
192	}
193
194	params := *p.params
195	params.NextToken = p.nextToken
196
197	var limit *int32
198	if p.options.Limit > 0 {
199		limit = &p.options.Limit
200	}
201	params.MaxResults = limit
202
203	result, err := p.client.ListPolicyAttachments(ctx, &params, optFns...)
204	if err != nil {
205		return nil, err
206	}
207	p.firstPage = false
208
209	prevToken := p.nextToken
210	p.nextToken = result.NextToken
211
212	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
213		p.nextToken = nil
214	}
215
216	return result, nil
217}
218
219func newServiceMetadataMiddleware_opListPolicyAttachments(region string) *awsmiddleware.RegisterServiceMetadata {
220	return &awsmiddleware.RegisterServiceMetadata{
221		Region:        region,
222		ServiceID:     ServiceID,
223		SigningName:   "clouddirectory",
224		OperationName: "ListPolicyAttachments",
225	}
226}
227