| // Copyright 2020 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 dialogflow |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| "github.com/golang/protobuf/proto" |
| gax "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/iterator" |
| "google.golang.org/api/option" |
| gtransport "google.golang.org/api/transport/grpc" |
| dialogflowpb "google.golang.org/genproto/googleapis/cloud/dialogflow/v2" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| var newContextsClientHook clientHook |
| |
| // ContextsCallOptions contains the retry settings for each method of ContextsClient. |
| type ContextsCallOptions struct { |
| ListContexts []gax.CallOption |
| GetContext []gax.CallOption |
| CreateContext []gax.CallOption |
| UpdateContext []gax.CallOption |
| DeleteContext []gax.CallOption |
| DeleteAllContexts []gax.CallOption |
| } |
| |
| func defaultContextsClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| option.WithEndpoint("dialogflow.googleapis.com:443"), |
| option.WithGRPCDialOption(grpc.WithDisableServiceConfig()), |
| option.WithScopes(DefaultAuthScopes()...), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultContextsCallOptions() *ContextsCallOptions { |
| return &ContextsCallOptions{ |
| ListContexts: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| GetContext: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| CreateContext: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| UpdateContext: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| DeleteContext: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| DeleteAllContexts: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| } |
| } |
| |
| // ContextsClient is a client for interacting with Dialogflow API. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type ContextsClient 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 |
| |
| // The gRPC API client. |
| contextsClient dialogflowpb.ContextsClient |
| |
| // The call options for this service. |
| CallOptions *ContextsCallOptions |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewContextsClient creates a new contexts client. |
| // |
| // Service for managing Contexts. |
| func NewContextsClient(ctx context.Context, opts ...option.ClientOption) (*ContextsClient, error) { |
| clientOpts := defaultContextsClientOptions() |
| |
| if newContextsClientHook != nil { |
| hookOpts, err := newContextsClientHook(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 |
| } |
| c := &ContextsClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| CallOptions: defaultContextsCallOptions(), |
| |
| contextsClient: dialogflowpb.NewContextsClient(connPool), |
| } |
| c.setGoogleClientInfo() |
| |
| return c, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *ContextsClient) Connection() *grpc.ClientConn { |
| return c.connPool.Conn() |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *ContextsClient) Close() error { |
| return c.connPool.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 *ContextsClient) setGoogleClientInfo(keyval ...string) { |
| kv := append([]string{"gl-go", versionGo()}, keyval...) |
| kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) |
| c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) |
| } |
| |
| // ListContexts returns the list of all contexts in the specified session. |
| func (c *ContextsClient) ListContexts(ctx context.Context, req *dialogflowpb.ListContextsRequest, opts ...gax.CallOption) *ContextIterator { |
| 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.ListContexts[0:len(c.CallOptions.ListContexts):len(c.CallOptions.ListContexts)], opts...) |
| it := &ContextIterator{} |
| req = proto.Clone(req).(*dialogflowpb.ListContextsRequest) |
| it.InternalFetch = func(pageSize int, pageToken string) ([]*dialogflowpb.Context, string, error) { |
| var resp *dialogflowpb.ListContextsResponse |
| req.PageToken = pageToken |
| if pageSize > math.MaxInt32 { |
| req.PageSize = math.MaxInt32 |
| } else { |
| req.PageSize = int32(pageSize) |
| } |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.contextsClient.ListContexts(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, "", err |
| } |
| |
| it.Response = resp |
| return resp.GetContexts(), 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 |
| } |
| |
| // GetContext retrieves the specified context. |
| func (c *ContextsClient) GetContext(ctx context.Context, req *dialogflowpb.GetContextRequest, opts ...gax.CallOption) (*dialogflowpb.Context, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| 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.GetContext[0:len(c.CallOptions.GetContext):len(c.CallOptions.GetContext)], opts...) |
| var resp *dialogflowpb.Context |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.contextsClient.GetContext(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // CreateContext creates a context. |
| // |
| // If the specified context already exists, overrides the context. |
| func (c *ContextsClient) CreateContext(ctx context.Context, req *dialogflowpb.CreateContextRequest, opts ...gax.CallOption) (*dialogflowpb.Context, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| 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.CreateContext[0:len(c.CallOptions.CreateContext):len(c.CallOptions.CreateContext)], opts...) |
| var resp *dialogflowpb.Context |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.contextsClient.CreateContext(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // UpdateContext updates the specified context. |
| func (c *ContextsClient) UpdateContext(ctx context.Context, req *dialogflowpb.UpdateContextRequest, opts ...gax.CallOption) (*dialogflowpb.Context, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "context.name", url.QueryEscape(req.GetContext().GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.UpdateContext[0:len(c.CallOptions.UpdateContext):len(c.CallOptions.UpdateContext)], opts...) |
| var resp *dialogflowpb.Context |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.contextsClient.UpdateContext(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // DeleteContext deletes the specified context. |
| func (c *ContextsClient) DeleteContext(ctx context.Context, req *dialogflowpb.DeleteContextRequest, opts ...gax.CallOption) error { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| 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.DeleteContext[0:len(c.CallOptions.DeleteContext):len(c.CallOptions.DeleteContext)], opts...) |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| _, err = c.contextsClient.DeleteContext(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| return err |
| } |
| |
| // DeleteAllContexts deletes all active contexts in the specified session. |
| func (c *ContextsClient) DeleteAllContexts(ctx context.Context, req *dialogflowpb.DeleteAllContextsRequest, opts ...gax.CallOption) error { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| 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.DeleteAllContexts[0:len(c.CallOptions.DeleteAllContexts):len(c.CallOptions.DeleteAllContexts)], opts...) |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| _, err = c.contextsClient.DeleteAllContexts(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| return err |
| } |
| |
| // ContextIterator manages a stream of *dialogflowpb.Context. |
| type ContextIterator struct { |
| items []*dialogflowpb.Context |
| 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 []*dialogflowpb.Context, nextPageToken string, err error) |
| } |
| |
| // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. |
| func (it *ContextIterator) 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 *ContextIterator) Next() (*dialogflowpb.Context, error) { |
| var item *dialogflowpb.Context |
| if err := it.nextFunc(); err != nil { |
| return item, err |
| } |
| item = it.items[0] |
| it.items = it.items[1:] |
| return item, nil |
| } |
| |
| func (it *ContextIterator) bufLen() int { |
| return len(it.items) |
| } |
| |
| func (it *ContextIterator) takeBuf() interface{} { |
| b := it.items |
| it.items = nil |
| return b |
| } |
