| // Copyright 2022 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Code generated by protoc-gen-go_gapic. DO NOT EDIT. |
| |
| package aiplatform |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| "cloud.google.com/go/longrunning" |
| lroauto "cloud.google.com/go/longrunning/autogen" |
| gax "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/iterator" |
| "google.golang.org/api/option" |
| "google.golang.org/api/option/internaloption" |
| gtransport "google.golang.org/api/transport/grpc" |
| aiplatformpb "google.golang.org/genproto/googleapis/cloud/aiplatform/v1" |
| longrunningpb "google.golang.org/genproto/googleapis/longrunning" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/metadata" |
| "google.golang.org/protobuf/proto" |
| ) |
| |
| var newIndexClientHook clientHook |
| |
| // IndexCallOptions contains the retry settings for each method of IndexClient. |
| type IndexCallOptions struct { |
| CreateIndex []gax.CallOption |
| GetIndex []gax.CallOption |
| ListIndexes []gax.CallOption |
| UpdateIndex []gax.CallOption |
| DeleteIndex []gax.CallOption |
| } |
| |
| func defaultIndexGRPCClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("aiplatform.googleapis.com:443"), |
| internaloption.WithDefaultMTLSEndpoint("aiplatform.mtls.googleapis.com:443"), |
| internaloption.WithDefaultAudience("https://aiplatform.googleapis.com/"), |
| internaloption.WithDefaultScopes(DefaultAuthScopes()...), |
| internaloption.EnableJwtWithScope(), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultIndexCallOptions() *IndexCallOptions { |
| return &IndexCallOptions{ |
| CreateIndex: []gax.CallOption{}, |
| GetIndex: []gax.CallOption{}, |
| ListIndexes: []gax.CallOption{}, |
| UpdateIndex: []gax.CallOption{}, |
| DeleteIndex: []gax.CallOption{}, |
| } |
| } |
| |
| // internalIndexClient is an interface that defines the methods availaible from Vertex AI API. |
| type internalIndexClient interface { |
| Close() error |
| setGoogleClientInfo(...string) |
| Connection() *grpc.ClientConn |
| CreateIndex(context.Context, *aiplatformpb.CreateIndexRequest, ...gax.CallOption) (*CreateIndexOperation, error) |
| CreateIndexOperation(name string) *CreateIndexOperation |
| GetIndex(context.Context, *aiplatformpb.GetIndexRequest, ...gax.CallOption) (*aiplatformpb.Index, error) |
| ListIndexes(context.Context, *aiplatformpb.ListIndexesRequest, ...gax.CallOption) *IndexIterator |
| UpdateIndex(context.Context, *aiplatformpb.UpdateIndexRequest, ...gax.CallOption) (*UpdateIndexOperation, error) |
| UpdateIndexOperation(name string) *UpdateIndexOperation |
| DeleteIndex(context.Context, *aiplatformpb.DeleteIndexRequest, ...gax.CallOption) (*DeleteIndexOperation, error) |
| DeleteIndexOperation(name string) *DeleteIndexOperation |
| } |
| |
| // IndexClient is a client for interacting with Vertex AI API. |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| // |
| // A service for creating and managing Vertex AI’s Index resources. |
| type IndexClient struct { |
| // The internal transport-dependent client. |
| internalClient internalIndexClient |
| |
| // The call options for this service. |
| CallOptions *IndexCallOptions |
| |
| // LROClient is used internally to handle long-running operations. |
| // It is exposed so that its CallOptions can be modified if required. |
| // Users should not Close this client. |
| LROClient *lroauto.OperationsClient |
| } |
| |
| // Wrapper methods routed to the internal client. |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *IndexClient) Close() error { |
| return c.internalClient.Close() |
| } |
| |
| // setGoogleClientInfo sets the name and version of the application in |
| // the `x-goog-api-client` header passed on each request. Intended for |
| // use by Google-written clients. |
| func (c *IndexClient) setGoogleClientInfo(keyval ...string) { |
| c.internalClient.setGoogleClientInfo(keyval...) |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *IndexClient) Connection() *grpc.ClientConn { |
| return c.internalClient.Connection() |
| } |
| |
| // CreateIndex creates an Index. |
| func (c *IndexClient) CreateIndex(ctx context.Context, req *aiplatformpb.CreateIndexRequest, opts ...gax.CallOption) (*CreateIndexOperation, error) { |
| return c.internalClient.CreateIndex(ctx, req, opts...) |
| } |
| |
| // CreateIndexOperation returns a new CreateIndexOperation from a given name. |
| // The name must be that of a previously created CreateIndexOperation, possibly from a different process. |
| func (c *IndexClient) CreateIndexOperation(name string) *CreateIndexOperation { |
| return c.internalClient.CreateIndexOperation(name) |
| } |
| |
| // GetIndex gets an Index. |
| func (c *IndexClient) GetIndex(ctx context.Context, req *aiplatformpb.GetIndexRequest, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| return c.internalClient.GetIndex(ctx, req, opts...) |
| } |
| |
| // ListIndexes lists Indexes in a Location. |
| func (c *IndexClient) ListIndexes(ctx context.Context, req *aiplatformpb.ListIndexesRequest, opts ...gax.CallOption) *IndexIterator { |
| return c.internalClient.ListIndexes(ctx, req, opts...) |
| } |
| |
| // UpdateIndex updates an Index. |
| func (c *IndexClient) UpdateIndex(ctx context.Context, req *aiplatformpb.UpdateIndexRequest, opts ...gax.CallOption) (*UpdateIndexOperation, error) { |
| return c.internalClient.UpdateIndex(ctx, req, opts...) |
| } |
| |
| // UpdateIndexOperation returns a new UpdateIndexOperation from a given name. |
| // The name must be that of a previously created UpdateIndexOperation, possibly from a different process. |
| func (c *IndexClient) UpdateIndexOperation(name string) *UpdateIndexOperation { |
| return c.internalClient.UpdateIndexOperation(name) |
| } |
| |
| // DeleteIndex deletes an Index. |
| // An Index can only be deleted when all its |
| // DeployedIndexes had been undeployed. |
| func (c *IndexClient) DeleteIndex(ctx context.Context, req *aiplatformpb.DeleteIndexRequest, opts ...gax.CallOption) (*DeleteIndexOperation, error) { |
| return c.internalClient.DeleteIndex(ctx, req, opts...) |
| } |
| |
| // DeleteIndexOperation returns a new DeleteIndexOperation from a given name. |
| // The name must be that of a previously created DeleteIndexOperation, possibly from a different process. |
| func (c *IndexClient) DeleteIndexOperation(name string) *DeleteIndexOperation { |
| return c.internalClient.DeleteIndexOperation(name) |
| } |
| |
| // indexGRPCClient is a client for interacting with Vertex AI API over gRPC transport. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type indexGRPCClient struct { |
| // Connection pool of gRPC connections to the service. |
| connPool gtransport.ConnPool |
| |
| // flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE |
| disableDeadlines bool |
| |
| // Points back to the CallOptions field of the containing IndexClient |
| CallOptions **IndexCallOptions |
| |
| // The gRPC API client. |
| indexClient aiplatformpb.IndexServiceClient |
| |
| // LROClient is used internally to handle long-running operations. |
| // It is exposed so that its CallOptions can be modified if required. |
| // Users should not Close this client. |
| LROClient **lroauto.OperationsClient |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewIndexClient creates a new index service client based on gRPC. |
| // The returned client must be Closed when it is done being used to clean up its underlying connections. |
| // |
| // A service for creating and managing Vertex AI’s Index resources. |
| func NewIndexClient(ctx context.Context, opts ...option.ClientOption) (*IndexClient, error) { |
| clientOpts := defaultIndexGRPCClientOptions() |
| if newIndexClientHook != nil { |
| hookOpts, err := newIndexClientHook(ctx, clientHookParams{}) |
| if err != nil { |
| return nil, err |
| } |
| clientOpts = append(clientOpts, hookOpts...) |
| } |
| |
| disableDeadlines, err := checkDisableDeadlines() |
| if err != nil { |
| return nil, err |
| } |
| |
| connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...) |
| if err != nil { |
| return nil, err |
| } |
| client := IndexClient{CallOptions: defaultIndexCallOptions()} |
| |
| c := &indexGRPCClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| indexClient: aiplatformpb.NewIndexServiceClient(connPool), |
| CallOptions: &client.CallOptions, |
| } |
| c.setGoogleClientInfo() |
| |
| client.internalClient = c |
| |
| client.LROClient, err = lroauto.NewOperationsClient(ctx, gtransport.WithConnPool(connPool)) |
| if err != nil { |
| // This error "should not happen", since we are just reusing old connection pool |
| // and never actually need to dial. |
| // If this does happen, we could leak connp. However, we cannot close conn: |
| // If the user invoked the constructor with option.WithGRPCConn, |
| // we would close a connection that's still in use. |
| // TODO: investigate error conditions. |
| return nil, err |
| } |
| c.LROClient = &client.LROClient |
| return &client, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *indexGRPCClient) Connection() *grpc.ClientConn { |
| return c.connPool.Conn() |
| } |
| |
| // setGoogleClientInfo sets the name and version of the application in |
| // the `x-goog-api-client` header passed on each request. Intended for |
| // use by Google-written clients. |
| func (c *indexGRPCClient) setGoogleClientInfo(keyval ...string) { |
| kv := append([]string{"gl-go", versionGo()}, keyval...) |
| kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version) |
| c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *indexGRPCClient) Close() error { |
| return c.connPool.Close() |
| } |
| |
| func (c *indexGRPCClient) CreateIndex(ctx context.Context, req *aiplatformpb.CreateIndexRequest, opts ...gax.CallOption) (*CreateIndexOperation, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))) |
| |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).CreateIndex[0:len((*c.CallOptions).CreateIndex):len((*c.CallOptions).CreateIndex)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.indexClient.CreateIndex(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &CreateIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, resp), |
| }, nil |
| } |
| |
| func (c *indexGRPCClient) GetIndex(ctx context.Context, req *aiplatformpb.GetIndexRequest, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).GetIndex[0:len((*c.CallOptions).GetIndex):len((*c.CallOptions).GetIndex)], opts...) |
| var resp *aiplatformpb.Index |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.indexClient.GetIndex(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *indexGRPCClient) ListIndexes(ctx context.Context, req *aiplatformpb.ListIndexesRequest, opts ...gax.CallOption) *IndexIterator { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))) |
| |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).ListIndexes[0:len((*c.CallOptions).ListIndexes):len((*c.CallOptions).ListIndexes)], opts...) |
| it := &IndexIterator{} |
| req = proto.Clone(req).(*aiplatformpb.ListIndexesRequest) |
| it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Index, string, error) { |
| resp := &aiplatformpb.ListIndexesResponse{} |
| if pageToken != "" { |
| req.PageToken = pageToken |
| } |
| if pageSize > math.MaxInt32 { |
| req.PageSize = math.MaxInt32 |
| } else if pageSize != 0 { |
| req.PageSize = int32(pageSize) |
| } |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.indexClient.ListIndexes(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, "", err |
| } |
| |
| it.Response = resp |
| return resp.GetIndexes(), resp.GetNextPageToken(), nil |
| } |
| fetch := func(pageSize int, pageToken string) (string, error) { |
| items, nextPageToken, err := it.InternalFetch(pageSize, pageToken) |
| if err != nil { |
| return "", err |
| } |
| it.items = append(it.items, items...) |
| return nextPageToken, nil |
| } |
| |
| it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf) |
| it.pageInfo.MaxSize = int(req.GetPageSize()) |
| it.pageInfo.Token = req.GetPageToken() |
| |
| return it |
| } |
| |
| func (c *indexGRPCClient) UpdateIndex(ctx context.Context, req *aiplatformpb.UpdateIndexRequest, opts ...gax.CallOption) (*UpdateIndexOperation, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "index.name", url.QueryEscape(req.GetIndex().GetName()))) |
| |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).UpdateIndex[0:len((*c.CallOptions).UpdateIndex):len((*c.CallOptions).UpdateIndex)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.indexClient.UpdateIndex(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &UpdateIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, resp), |
| }, nil |
| } |
| |
| func (c *indexGRPCClient) DeleteIndex(ctx context.Context, req *aiplatformpb.DeleteIndexRequest, opts ...gax.CallOption) (*DeleteIndexOperation, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).DeleteIndex[0:len((*c.CallOptions).DeleteIndex):len((*c.CallOptions).DeleteIndex)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.indexClient.DeleteIndex(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &DeleteIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, resp), |
| }, nil |
| } |
| |
| // CreateIndexOperation manages a long-running operation from CreateIndex. |
| type CreateIndexOperation struct { |
| lro *longrunning.Operation |
| } |
| |
| // CreateIndexOperation returns a new CreateIndexOperation from a given name. |
| // The name must be that of a previously created CreateIndexOperation, possibly from a different process. |
| func (c *indexGRPCClient) CreateIndexOperation(name string) *CreateIndexOperation { |
| return &CreateIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}), |
| } |
| } |
| |
| // Wait blocks until the long-running operation is completed, returning the response and any errors encountered. |
| // |
| // See documentation of Poll for error-handling information. |
| func (op *CreateIndexOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| var resp aiplatformpb.Index |
| if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil { |
| return nil, err |
| } |
| return &resp, nil |
| } |
| |
| // Poll fetches the latest state of the long-running operation. |
| // |
| // Poll also fetches the latest metadata, which can be retrieved by Metadata. |
| // |
| // If Poll fails, the error is returned and op is unmodified. If Poll succeeds and |
| // the operation has completed with failure, the error is returned and op.Done will return true. |
| // If Poll succeeds and the operation has completed successfully, |
| // op.Done will return true, and the response of the operation is returned. |
| // If Poll succeeds and the operation has not completed, the returned response and error are both nil. |
| func (op *CreateIndexOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| var resp aiplatformpb.Index |
| if err := op.lro.Poll(ctx, &resp, opts...); err != nil { |
| return nil, err |
| } |
| if !op.Done() { |
| return nil, nil |
| } |
| return &resp, nil |
| } |
| |
| // Metadata returns metadata associated with the long-running operation. |
| // Metadata itself does not contact the server, but Poll does. |
| // To get the latest metadata, call this method after a successful call to Poll. |
| // If the metadata is not available, the returned metadata and error are both nil. |
| func (op *CreateIndexOperation) Metadata() (*aiplatformpb.CreateIndexOperationMetadata, error) { |
| var meta aiplatformpb.CreateIndexOperationMetadata |
| if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata { |
| return nil, nil |
| } else if err != nil { |
| return nil, err |
| } |
| return &meta, nil |
| } |
| |
| // Done reports whether the long-running operation has completed. |
| func (op *CreateIndexOperation) Done() bool { |
| return op.lro.Done() |
| } |
| |
| // Name returns the name of the long-running operation. |
| // The name is assigned by the server and is unique within the service from which the operation is created. |
| func (op *CreateIndexOperation) Name() string { |
| return op.lro.Name() |
| } |
| |
| // DeleteIndexOperation manages a long-running operation from DeleteIndex. |
| type DeleteIndexOperation struct { |
| lro *longrunning.Operation |
| } |
| |
| // DeleteIndexOperation returns a new DeleteIndexOperation from a given name. |
| // The name must be that of a previously created DeleteIndexOperation, possibly from a different process. |
| func (c *indexGRPCClient) DeleteIndexOperation(name string) *DeleteIndexOperation { |
| return &DeleteIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}), |
| } |
| } |
| |
| // Wait blocks until the long-running operation is completed, returning the response and any errors encountered. |
| // |
| // See documentation of Poll for error-handling information. |
| func (op *DeleteIndexOperation) Wait(ctx context.Context, opts ...gax.CallOption) error { |
| return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...) |
| } |
| |
| // Poll fetches the latest state of the long-running operation. |
| // |
| // Poll also fetches the latest metadata, which can be retrieved by Metadata. |
| // |
| // If Poll fails, the error is returned and op is unmodified. If Poll succeeds and |
| // the operation has completed with failure, the error is returned and op.Done will return true. |
| // If Poll succeeds and the operation has completed successfully, |
| // op.Done will return true, and the response of the operation is returned. |
| // If Poll succeeds and the operation has not completed, the returned response and error are both nil. |
| func (op *DeleteIndexOperation) Poll(ctx context.Context, opts ...gax.CallOption) error { |
| return op.lro.Poll(ctx, nil, opts...) |
| } |
| |
| // Metadata returns metadata associated with the long-running operation. |
| // Metadata itself does not contact the server, but Poll does. |
| // To get the latest metadata, call this method after a successful call to Poll. |
| // If the metadata is not available, the returned metadata and error are both nil. |
| func (op *DeleteIndexOperation) Metadata() (*aiplatformpb.DeleteOperationMetadata, error) { |
| var meta aiplatformpb.DeleteOperationMetadata |
| if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata { |
| return nil, nil |
| } else if err != nil { |
| return nil, err |
| } |
| return &meta, nil |
| } |
| |
| // Done reports whether the long-running operation has completed. |
| func (op *DeleteIndexOperation) Done() bool { |
| return op.lro.Done() |
| } |
| |
| // Name returns the name of the long-running operation. |
| // The name is assigned by the server and is unique within the service from which the operation is created. |
| func (op *DeleteIndexOperation) Name() string { |
| return op.lro.Name() |
| } |
| |
| // UpdateIndexOperation manages a long-running operation from UpdateIndex. |
| type UpdateIndexOperation struct { |
| lro *longrunning.Operation |
| } |
| |
| // UpdateIndexOperation returns a new UpdateIndexOperation from a given name. |
| // The name must be that of a previously created UpdateIndexOperation, possibly from a different process. |
| func (c *indexGRPCClient) UpdateIndexOperation(name string) *UpdateIndexOperation { |
| return &UpdateIndexOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}), |
| } |
| } |
| |
| // Wait blocks until the long-running operation is completed, returning the response and any errors encountered. |
| // |
| // See documentation of Poll for error-handling information. |
| func (op *UpdateIndexOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| var resp aiplatformpb.Index |
| if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil { |
| return nil, err |
| } |
| return &resp, nil |
| } |
| |
| // Poll fetches the latest state of the long-running operation. |
| // |
| // Poll also fetches the latest metadata, which can be retrieved by Metadata. |
| // |
| // If Poll fails, the error is returned and op is unmodified. If Poll succeeds and |
| // the operation has completed with failure, the error is returned and op.Done will return true. |
| // If Poll succeeds and the operation has completed successfully, |
| // op.Done will return true, and the response of the operation is returned. |
| // If Poll succeeds and the operation has not completed, the returned response and error are both nil. |
| func (op *UpdateIndexOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Index, error) { |
| var resp aiplatformpb.Index |
| if err := op.lro.Poll(ctx, &resp, opts...); err != nil { |
| return nil, err |
| } |
| if !op.Done() { |
| return nil, nil |
| } |
| return &resp, nil |
| } |
| |
| // Metadata returns metadata associated with the long-running operation. |
| // Metadata itself does not contact the server, but Poll does. |
| // To get the latest metadata, call this method after a successful call to Poll. |
| // If the metadata is not available, the returned metadata and error are both nil. |
| func (op *UpdateIndexOperation) Metadata() (*aiplatformpb.UpdateIndexOperationMetadata, error) { |
| var meta aiplatformpb.UpdateIndexOperationMetadata |
| if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata { |
| return nil, nil |
| } else if err != nil { |
| return nil, err |
| } |
| return &meta, nil |
| } |
| |
| // Done reports whether the long-running operation has completed. |
| func (op *UpdateIndexOperation) Done() bool { |
| return op.lro.Done() |
| } |
| |
| // Name returns the name of the long-running operation. |
| // The name is assigned by the server and is unique within the service from which the operation is created. |
| func (op *UpdateIndexOperation) Name() string { |
| return op.lro.Name() |
| } |
| |
| // IndexIterator manages a stream of *aiplatformpb.Index. |
| type IndexIterator struct { |
| items []*aiplatformpb.Index |
| pageInfo *iterator.PageInfo |
| nextFunc func() error |
| |
| // Response is the raw response for the current page. |
| // It must be cast to the RPC response type. |
| // Calling Next() or InternalFetch() updates this value. |
| Response interface{} |
| |
| // InternalFetch is for use by the Google Cloud Libraries only. |
| // It is not part of the stable interface of this package. |
| // |
| // InternalFetch returns results from a single call to the underlying RPC. |
| // The number of results is no greater than pageSize. |
| // If there are no more results, nextPageToken is empty and err is nil. |
| InternalFetch func(pageSize int, pageToken string) (results []*aiplatformpb.Index, nextPageToken string, err error) |
| } |
| |
| // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. |
| func (it *IndexIterator) PageInfo() *iterator.PageInfo { |
| return it.pageInfo |
| } |
| |
| // Next returns the next result. Its second return value is iterator.Done if there are no more |
| // results. Once Next returns Done, all subsequent calls will return Done. |
| func (it *IndexIterator) Next() (*aiplatformpb.Index, error) { |
| var item *aiplatformpb.Index |
| if err := it.nextFunc(); err != nil { |
| return item, err |
| } |
| item = it.items[0] |
| it.items = it.items[1:] |
| return item, nil |
| } |
| |
| func (it *IndexIterator) bufLen() int { |
| return len(it.items) |
| } |
| |
| func (it *IndexIterator) takeBuf() interface{} { |
| b := it.items |
| it.items = nil |
| return b |
| } |
