mirror of
https://github.com/restic/restic.git
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Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
264 lines
9.7 KiB
Go
264 lines
9.7 KiB
Go
// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// AUTO-GENERATED CODE. DO NOT EDIT.
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package speech
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import (
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"time"
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"cloud.google.com/go/internal/version"
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"cloud.google.com/go/longrunning"
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lroauto "cloud.google.com/go/longrunning/autogen"
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gax "github.com/googleapis/gax-go"
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"golang.org/x/net/context"
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"google.golang.org/api/option"
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"google.golang.org/api/transport"
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speechpb "google.golang.org/genproto/googleapis/cloud/speech/v1"
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longrunningpb "google.golang.org/genproto/googleapis/longrunning"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/metadata"
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)
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// CallOptions contains the retry settings for each method of Client.
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type CallOptions struct {
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Recognize []gax.CallOption
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LongRunningRecognize []gax.CallOption
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StreamingRecognize []gax.CallOption
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}
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func defaultClientOptions() []option.ClientOption {
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return []option.ClientOption{
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option.WithEndpoint("speech.googleapis.com:443"),
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option.WithScopes(DefaultAuthScopes()...),
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}
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}
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func defaultCallOptions() *CallOptions {
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retry := map[[2]string][]gax.CallOption{
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{"default", "idempotent"}: {
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gax.WithRetry(func() gax.Retryer {
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return gax.OnCodes([]codes.Code{
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codes.DeadlineExceeded,
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codes.Unavailable,
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}, gax.Backoff{
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Initial: 100 * time.Millisecond,
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Max: 60000 * time.Millisecond,
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Multiplier: 1.3,
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})
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}),
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},
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}
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return &CallOptions{
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Recognize: retry[[2]string{"default", "idempotent"}],
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LongRunningRecognize: retry[[2]string{"default", "non_idempotent"}],
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StreamingRecognize: retry[[2]string{"default", "idempotent"}],
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}
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}
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// Client is a client for interacting with Google Cloud Speech API.
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type Client struct {
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// The connection to the service.
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conn *grpc.ClientConn
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// The gRPC API client.
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client speechpb.SpeechClient
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// LROClient is used internally to handle longrunning operations.
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// It is exposed so that its CallOptions can be modified if required.
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// Users should not Close this client.
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LROClient *lroauto.OperationsClient
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// The call options for this service.
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CallOptions *CallOptions
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// The x-goog-* metadata to be sent with each request.
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xGoogMetadata metadata.MD
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}
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// NewClient creates a new speech client.
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//
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// Service that implements Google Cloud Speech API.
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func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
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conn, err := transport.DialGRPC(ctx, append(defaultClientOptions(), opts...)...)
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if err != nil {
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return nil, err
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}
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c := &Client{
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conn: conn,
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CallOptions: defaultCallOptions(),
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client: speechpb.NewSpeechClient(conn),
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}
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c.setGoogleClientInfo()
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c.LROClient, err = lroauto.NewOperationsClient(ctx, option.WithGRPCConn(conn))
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if err != nil {
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// This error "should not happen", since we are just reusing old connection
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// and never actually need to dial.
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// If this does happen, we could leak conn. However, we cannot close conn:
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// If the user invoked the function with option.WithGRPCConn,
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// we would close a connection that's still in use.
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// TODO(pongad): investigate error conditions.
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return nil, err
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}
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return c, nil
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}
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// Connection returns the client's connection to the API service.
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func (c *Client) Connection() *grpc.ClientConn {
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return c.conn
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}
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// Close closes the connection to the API service. The user should invoke this when
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// the client is no longer required.
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func (c *Client) Close() error {
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return c.conn.Close()
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}
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// setGoogleClientInfo sets the name and version of the application in
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// the `x-goog-api-client` header passed on each request. Intended for
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// use by Google-written clients.
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func (c *Client) setGoogleClientInfo(keyval ...string) {
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kv := append([]string{"gl-go", version.Go()}, keyval...)
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kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
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c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
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}
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// Recognize performs synchronous speech recognition: receive results after all audio
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// has been sent and processed.
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func (c *Client) Recognize(ctx context.Context, req *speechpb.RecognizeRequest, opts ...gax.CallOption) (*speechpb.RecognizeResponse, error) {
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ctx = insertMetadata(ctx, c.xGoogMetadata)
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opts = append(c.CallOptions.Recognize[0:len(c.CallOptions.Recognize):len(c.CallOptions.Recognize)], opts...)
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var resp *speechpb.RecognizeResponse
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.Recognize(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// LongRunningRecognize performs asynchronous speech recognition: receive results via the
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// google.longrunning.Operations interface. Returns either an
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// Operation.error or an Operation.response which contains
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// a LongRunningRecognizeResponse message.
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func (c *Client) LongRunningRecognize(ctx context.Context, req *speechpb.LongRunningRecognizeRequest, opts ...gax.CallOption) (*LongRunningRecognizeOperation, error) {
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ctx = insertMetadata(ctx, c.xGoogMetadata)
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opts = append(c.CallOptions.LongRunningRecognize[0:len(c.CallOptions.LongRunningRecognize):len(c.CallOptions.LongRunningRecognize)], opts...)
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var resp *longrunningpb.Operation
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.LongRunningRecognize(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return &LongRunningRecognizeOperation{
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lro: longrunning.InternalNewOperation(c.LROClient, resp),
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}, nil
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}
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// StreamingRecognize performs bidirectional streaming speech recognition: receive results while
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// sending audio. This method is only available via the gRPC API (not REST).
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func (c *Client) StreamingRecognize(ctx context.Context, opts ...gax.CallOption) (speechpb.Speech_StreamingRecognizeClient, error) {
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ctx = insertMetadata(ctx, c.xGoogMetadata)
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opts = append(c.CallOptions.StreamingRecognize[0:len(c.CallOptions.StreamingRecognize):len(c.CallOptions.StreamingRecognize)], opts...)
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var resp speechpb.Speech_StreamingRecognizeClient
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.StreamingRecognize(ctx, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// LongRunningRecognizeOperation manages a long-running operation from LongRunningRecognize.
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type LongRunningRecognizeOperation struct {
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lro *longrunning.Operation
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}
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// LongRunningRecognizeOperation returns a new LongRunningRecognizeOperation from a given name.
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// The name must be that of a previously created LongRunningRecognizeOperation, possibly from a different process.
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func (c *Client) LongRunningRecognizeOperation(name string) *LongRunningRecognizeOperation {
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return &LongRunningRecognizeOperation{
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lro: longrunning.InternalNewOperation(c.LROClient, &longrunningpb.Operation{Name: name}),
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}
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}
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// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
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//
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// See documentation of Poll for error-handling information.
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func (op *LongRunningRecognizeOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*speechpb.LongRunningRecognizeResponse, error) {
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var resp speechpb.LongRunningRecognizeResponse
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if err := op.lro.WaitWithInterval(ctx, &resp, 45000*time.Millisecond, opts...); err != nil {
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return nil, err
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}
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return &resp, nil
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}
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// Poll fetches the latest state of the long-running operation.
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//
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// Poll also fetches the latest metadata, which can be retrieved by Metadata.
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//
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// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
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// the operation has completed with failure, the error is returned and op.Done will return true.
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// If Poll succeeds and the operation has completed successfully,
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// op.Done will return true, and the response of the operation is returned.
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// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
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func (op *LongRunningRecognizeOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*speechpb.LongRunningRecognizeResponse, error) {
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var resp speechpb.LongRunningRecognizeResponse
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if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
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return nil, err
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}
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if !op.Done() {
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return nil, nil
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}
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return &resp, nil
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}
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// Metadata returns metadata associated with the long-running operation.
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// Metadata itself does not contact the server, but Poll does.
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// To get the latest metadata, call this method after a successful call to Poll.
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// If the metadata is not available, the returned metadata and error are both nil.
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func (op *LongRunningRecognizeOperation) Metadata() (*speechpb.LongRunningRecognizeMetadata, error) {
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var meta speechpb.LongRunningRecognizeMetadata
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if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
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return nil, nil
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} else if err != nil {
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return nil, err
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}
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return &meta, nil
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}
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// Done reports whether the long-running operation has completed.
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func (op *LongRunningRecognizeOperation) Done() bool {
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return op.lro.Done()
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}
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// Name returns the name of the long-running operation.
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// The name is assigned by the server and is unique within the service from which the operation is created.
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func (op *LongRunningRecognizeOperation) Name() string {
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return op.lro.Name()
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}
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