| // 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 speech |
| |
| import ( |
| "bytes" |
| "context" |
| "fmt" |
| "io/ioutil" |
| "math" |
| "net/http" |
| "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/googleapi" |
| "google.golang.org/api/option" |
| "google.golang.org/api/option/internaloption" |
| gtransport "google.golang.org/api/transport/grpc" |
| httptransport "google.golang.org/api/transport/http" |
| speechpb "google.golang.org/genproto/googleapis/cloud/speech/v1p1beta1" |
| longrunningpb "google.golang.org/genproto/googleapis/longrunning" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| "google.golang.org/protobuf/encoding/protojson" |
| ) |
| |
| var newClientHook clientHook |
| |
| // CallOptions contains the retry settings for each method of Client. |
| type CallOptions struct { |
| Recognize []gax.CallOption |
| LongRunningRecognize []gax.CallOption |
| StreamingRecognize []gax.CallOption |
| } |
| |
| func defaultGRPCClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("speech.googleapis.com:443"), |
| internaloption.WithDefaultMTLSEndpoint("speech.mtls.googleapis.com:443"), |
| internaloption.WithDefaultAudience("https://speech.googleapis.com/"), |
| internaloption.WithDefaultScopes(DefaultAuthScopes()...), |
| internaloption.EnableJwtWithScope(), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultCallOptions() *CallOptions { |
| return &CallOptions{ |
| Recognize: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| LongRunningRecognize: []gax.CallOption{}, |
| StreamingRecognize: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| } |
| } |
| |
| func defaultRESTCallOptions() *CallOptions { |
| return &CallOptions{ |
| Recognize: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnHTTPCodes(gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }, |
| http.StatusGatewayTimeout, |
| http.StatusServiceUnavailable) |
| }), |
| }, |
| LongRunningRecognize: []gax.CallOption{}, |
| StreamingRecognize: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnHTTPCodes(gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }, |
| http.StatusGatewayTimeout, |
| http.StatusServiceUnavailable) |
| }), |
| }, |
| } |
| } |
| |
| // internalClient is an interface that defines the methods available from Cloud Speech-to-Text API. |
| type internalClient interface { |
| Close() error |
| setGoogleClientInfo(...string) |
| Connection() *grpc.ClientConn |
| Recognize(context.Context, *speechpb.RecognizeRequest, ...gax.CallOption) (*speechpb.RecognizeResponse, error) |
| LongRunningRecognize(context.Context, *speechpb.LongRunningRecognizeRequest, ...gax.CallOption) (*LongRunningRecognizeOperation, error) |
| LongRunningRecognizeOperation(name string) *LongRunningRecognizeOperation |
| StreamingRecognize(context.Context, ...gax.CallOption) (speechpb.Speech_StreamingRecognizeClient, error) |
| } |
| |
| // Client is a client for interacting with Cloud Speech-to-Text API. |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| // |
| // Service that implements Google Cloud Speech API. |
| type Client struct { |
| // The internal transport-dependent client. |
| internalClient internalClient |
| |
| // The call options for this service. |
| CallOptions *CallOptions |
| |
| // 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 *Client) 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 *Client) setGoogleClientInfo(keyval ...string) { |
| c.internalClient.setGoogleClientInfo(keyval...) |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *Client) Connection() *grpc.ClientConn { |
| return c.internalClient.Connection() |
| } |
| |
| // Recognize performs synchronous speech recognition: receive results after all audio |
| // has been sent and processed. |
| func (c *Client) Recognize(ctx context.Context, req *speechpb.RecognizeRequest, opts ...gax.CallOption) (*speechpb.RecognizeResponse, error) { |
| return c.internalClient.Recognize(ctx, req, opts...) |
| } |
| |
| // LongRunningRecognize performs asynchronous speech recognition: receive results via the |
| // google.longrunning.Operations interface. Returns either an |
| // Operation.error or an Operation.response which contains |
| // a LongRunningRecognizeResponse message. |
| // For more information on asynchronous speech recognition, see the |
| // how-to (at https://cloud.google.com/speech-to-text/docs/async-recognize). |
| func (c *Client) LongRunningRecognize(ctx context.Context, req *speechpb.LongRunningRecognizeRequest, opts ...gax.CallOption) (*LongRunningRecognizeOperation, error) { |
| return c.internalClient.LongRunningRecognize(ctx, req, opts...) |
| } |
| |
| // LongRunningRecognizeOperation returns a new LongRunningRecognizeOperation from a given name. |
| // The name must be that of a previously created LongRunningRecognizeOperation, possibly from a different process. |
| func (c *Client) LongRunningRecognizeOperation(name string) *LongRunningRecognizeOperation { |
| return c.internalClient.LongRunningRecognizeOperation(name) |
| } |
| |
| // StreamingRecognize performs bidirectional streaming speech recognition: receive results while |
| // sending audio. This method is only available via the gRPC API (not REST). |
| func (c *Client) StreamingRecognize(ctx context.Context, opts ...gax.CallOption) (speechpb.Speech_StreamingRecognizeClient, error) { |
| return c.internalClient.StreamingRecognize(ctx, opts...) |
| } |
| |
| // gRPCClient is a client for interacting with Cloud Speech-to-Text API over gRPC transport. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type gRPCClient 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 Client |
| CallOptions **CallOptions |
| |
| // The gRPC API client. |
| client speechpb.SpeechClient |
| |
| // 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 |
| } |
| |
| // NewClient creates a new speech client based on gRPC. |
| // The returned client must be Closed when it is done being used to clean up its underlying connections. |
| // |
| // Service that implements Google Cloud Speech API. |
| func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) { |
| clientOpts := defaultGRPCClientOptions() |
| if newClientHook != nil { |
| hookOpts, err := newClientHook(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 := Client{CallOptions: defaultCallOptions()} |
| |
| c := &gRPCClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| client: speechpb.NewSpeechClient(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 *gRPCClient) 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 *gRPCClient) 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 *gRPCClient) Close() error { |
| return c.connPool.Close() |
| } |
| |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type restClient struct { |
| // The http endpoint to connect to. |
| endpoint string |
| |
| // The http client. |
| httpClient *http.Client |
| |
| // 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 |
| |
| // Points back to the CallOptions field of the containing Client |
| CallOptions **CallOptions |
| } |
| |
| // NewRESTClient creates a new speech rest client. |
| // |
| // Service that implements Google Cloud Speech API. |
| func NewRESTClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) { |
| clientOpts := append(defaultRESTClientOptions(), opts...) |
| httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...) |
| if err != nil { |
| return nil, err |
| } |
| |
| callOpts := defaultRESTCallOptions() |
| c := &restClient{ |
| endpoint: endpoint, |
| httpClient: httpClient, |
| CallOptions: &callOpts, |
| } |
| c.setGoogleClientInfo() |
| |
| lroOpts := []option.ClientOption{ |
| option.WithHTTPClient(httpClient), |
| option.WithEndpoint(endpoint), |
| } |
| opClient, err := lroauto.NewOperationsRESTClient(ctx, lroOpts...) |
| if err != nil { |
| return nil, err |
| } |
| c.LROClient = &opClient |
| |
| return &Client{internalClient: c, CallOptions: callOpts}, nil |
| } |
| |
| func defaultRESTClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("https://speech.googleapis.com"), |
| internaloption.WithDefaultMTLSEndpoint("https://speech.mtls.googleapis.com"), |
| internaloption.WithDefaultAudience("https://speech.googleapis.com/"), |
| internaloption.WithDefaultScopes(DefaultAuthScopes()...), |
| } |
| } |
| |
| // 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 *restClient) setGoogleClientInfo(keyval ...string) { |
| kv := append([]string{"gl-go", versionGo()}, keyval...) |
| kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN") |
| 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 *restClient) Close() error { |
| // Replace httpClient with nil to force cleanup. |
| c.httpClient = nil |
| return nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *restClient) Connection() *grpc.ClientConn { |
| return nil |
| } |
| func (c *gRPCClient) Recognize(ctx context.Context, req *speechpb.RecognizeRequest, opts ...gax.CallOption) (*speechpb.RecognizeResponse, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 5000000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| ctx = insertMetadata(ctx, c.xGoogMetadata) |
| opts = append((*c.CallOptions).Recognize[0:len((*c.CallOptions).Recognize):len((*c.CallOptions).Recognize)], opts...) |
| var resp *speechpb.RecognizeResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.client.Recognize(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *gRPCClient) LongRunningRecognize(ctx context.Context, req *speechpb.LongRunningRecognizeRequest, opts ...gax.CallOption) (*LongRunningRecognizeOperation, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 5000000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| ctx = insertMetadata(ctx, c.xGoogMetadata) |
| opts = append((*c.CallOptions).LongRunningRecognize[0:len((*c.CallOptions).LongRunningRecognize):len((*c.CallOptions).LongRunningRecognize)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.client.LongRunningRecognize(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &LongRunningRecognizeOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, resp), |
| }, nil |
| } |
| |
| func (c *gRPCClient) StreamingRecognize(ctx context.Context, opts ...gax.CallOption) (speechpb.Speech_StreamingRecognizeClient, error) { |
| ctx = insertMetadata(ctx, c.xGoogMetadata) |
| var resp speechpb.Speech_StreamingRecognizeClient |
| opts = append((*c.CallOptions).StreamingRecognize[0:len((*c.CallOptions).StreamingRecognize):len((*c.CallOptions).StreamingRecognize)], opts...) |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.client.StreamingRecognize(ctx, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // Recognize performs synchronous speech recognition: receive results after all audio |
| // has been sent and processed. |
| func (c *restClient) Recognize(ctx context.Context, req *speechpb.RecognizeRequest, opts ...gax.CallOption) (*speechpb.RecognizeResponse, error) { |
| m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true} |
| jsonReq, err := m.Marshal(req) |
| if err != nil { |
| return nil, err |
| } |
| |
| baseUrl, err := url.Parse(c.endpoint) |
| if err != nil { |
| return nil, err |
| } |
| baseUrl.Path += fmt.Sprintf("/v1p1beta1/speech:recognize") |
| |
| // Build HTTP headers from client and context metadata. |
| headers := buildHeaders(ctx, c.xGoogMetadata, metadata.Pairs("Content-Type", "application/json")) |
| opts = append((*c.CallOptions).Recognize[0:len((*c.CallOptions).Recognize):len((*c.CallOptions).Recognize)], opts...) |
| unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true} |
| resp := &speechpb.RecognizeResponse{} |
| e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| if settings.Path != "" { |
| baseUrl.Path = settings.Path |
| } |
| httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq)) |
| if err != nil { |
| return err |
| } |
| httpReq = httpReq.WithContext(ctx) |
| httpReq.Header = headers |
| |
| httpRsp, err := c.httpClient.Do(httpReq) |
| if err != nil { |
| return err |
| } |
| defer httpRsp.Body.Close() |
| |
| if err = googleapi.CheckResponse(httpRsp); err != nil { |
| return err |
| } |
| |
| buf, err := ioutil.ReadAll(httpRsp.Body) |
| if err != nil { |
| return err |
| } |
| |
| if err := unm.Unmarshal(buf, resp); err != nil { |
| return maybeUnknownEnum(err) |
| } |
| |
| return nil |
| }, opts...) |
| if e != nil { |
| return nil, e |
| } |
| return resp, nil |
| } |
| |
| // LongRunningRecognize performs asynchronous speech recognition: receive results via the |
| // google.longrunning.Operations interface. Returns either an |
| // Operation.error or an Operation.response which contains |
| // a LongRunningRecognizeResponse message. |
| // For more information on asynchronous speech recognition, see the |
| // how-to (at https://cloud.google.com/speech-to-text/docs/async-recognize). |
| func (c *restClient) LongRunningRecognize(ctx context.Context, req *speechpb.LongRunningRecognizeRequest, opts ...gax.CallOption) (*LongRunningRecognizeOperation, error) { |
| m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true} |
| jsonReq, err := m.Marshal(req) |
| if err != nil { |
| return nil, err |
| } |
| |
| baseUrl, err := url.Parse(c.endpoint) |
| if err != nil { |
| return nil, err |
| } |
| baseUrl.Path += fmt.Sprintf("/v1p1beta1/speech:longrunningrecognize") |
| |
| // Build HTTP headers from client and context metadata. |
| headers := buildHeaders(ctx, c.xGoogMetadata, metadata.Pairs("Content-Type", "application/json")) |
| unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true} |
| resp := &longrunningpb.Operation{} |
| e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| if settings.Path != "" { |
| baseUrl.Path = settings.Path |
| } |
| httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq)) |
| if err != nil { |
| return err |
| } |
| httpReq = httpReq.WithContext(ctx) |
| httpReq.Header = headers |
| |
| httpRsp, err := c.httpClient.Do(httpReq) |
| if err != nil { |
| return err |
| } |
| defer httpRsp.Body.Close() |
| |
| if err = googleapi.CheckResponse(httpRsp); err != nil { |
| return err |
| } |
| |
| buf, err := ioutil.ReadAll(httpRsp.Body) |
| if err != nil { |
| return err |
| } |
| |
| if err := unm.Unmarshal(buf, resp); err != nil { |
| return maybeUnknownEnum(err) |
| } |
| |
| return nil |
| }, opts...) |
| if e != nil { |
| return nil, e |
| } |
| |
| override := fmt.Sprintf("/v1p1beta1/operations/%s", resp.GetName()) |
| return &LongRunningRecognizeOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, resp), |
| pollPath: override, |
| }, nil |
| } |
| |
| // StreamingRecognize performs bidirectional streaming speech recognition: receive results while |
| // sending audio. This method is only available via the gRPC API (not REST). |
| func (c *restClient) StreamingRecognize(ctx context.Context, opts ...gax.CallOption) (speechpb.Speech_StreamingRecognizeClient, error) { |
| return nil, fmt.Errorf("StreamingRecognize not yet supported for REST clients") |
| } |
| |
| // LongRunningRecognizeOperation manages a long-running operation from LongRunningRecognize. |
| type LongRunningRecognizeOperation struct { |
| lro *longrunning.Operation |
| pollPath string |
| } |
| |
| // LongRunningRecognizeOperation returns a new LongRunningRecognizeOperation from a given name. |
| // The name must be that of a previously created LongRunningRecognizeOperation, possibly from a different process. |
| func (c *gRPCClient) LongRunningRecognizeOperation(name string) *LongRunningRecognizeOperation { |
| return &LongRunningRecognizeOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}), |
| } |
| } |
| |
| // LongRunningRecognizeOperation returns a new LongRunningRecognizeOperation from a given name. |
| // The name must be that of a previously created LongRunningRecognizeOperation, possibly from a different process. |
| func (c *restClient) LongRunningRecognizeOperation(name string) *LongRunningRecognizeOperation { |
| override := fmt.Sprintf("/v1p1beta1/operations/%s", name) |
| return &LongRunningRecognizeOperation{ |
| lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}), |
| pollPath: override, |
| } |
| } |
| |
| // 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 *LongRunningRecognizeOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*speechpb.LongRunningRecognizeResponse, error) { |
| opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...) |
| var resp speechpb.LongRunningRecognizeResponse |
| 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 *LongRunningRecognizeOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*speechpb.LongRunningRecognizeResponse, error) { |
| opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...) |
| var resp speechpb.LongRunningRecognizeResponse |
| 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 *LongRunningRecognizeOperation) Metadata() (*speechpb.LongRunningRecognizeMetadata, error) { |
| var meta speechpb.LongRunningRecognizeMetadata |
| 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 *LongRunningRecognizeOperation) 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 *LongRunningRecognizeOperation) Name() string { |
| return op.lro.Name() |
| } |