| // 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 cx |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| "cloud.google.com/go/longrunning" |
| lroauto "cloud.google.com/go/longrunning/autogen" |
| "github.com/golang/protobuf/proto" |
| structpbpb "github.com/golang/protobuf/ptypes/struct" |
| 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" |
| cxpb "google.golang.org/genproto/googleapis/cloud/dialogflow/cx/v3beta1" |
| longrunningpb "google.golang.org/genproto/googleapis/longrunning" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| var newAgentsClientHook clientHook |
| |
| // AgentsCallOptions contains the retry settings for each method of AgentsClient. |
| type AgentsCallOptions struct { |
| ListAgents []gax.CallOption |
| GetAgent []gax.CallOption |
| CreateAgent []gax.CallOption |
| UpdateAgent []gax.CallOption |
| DeleteAgent []gax.CallOption |
| ExportAgent []gax.CallOption |
| RestoreAgent []gax.CallOption |
| } |
| |
| func defaultAgentsClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("dialogflow.googleapis.com:443"), |
| internaloption.WithDefaultMTLSEndpoint("dialogflow.mtls.googleapis.com:443"), |
| option.WithGRPCDialOption(grpc.WithDisableServiceConfig()), |
| option.WithScopes(DefaultAuthScopes()...), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultAgentsCallOptions() *AgentsCallOptions { |
| return &AgentsCallOptions{ |
| ListAgents: []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, |
| }) |
| }), |
| }, |
| GetAgent: []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, |
| }) |
| }), |
| }, |
| CreateAgent: []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, |
| }) |
| }), |
| }, |
| UpdateAgent: []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, |
| }) |
| }), |
| }, |
| DeleteAgent: []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, |
| }) |
| }), |
| }, |
| ExportAgent: []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, |
| }) |
| }), |
| }, |
| RestoreAgent: []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, |
| }) |
| }), |
| }, |
| } |
| } |
| |
| // AgentsClient 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 AgentsClient 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. |
| agentsClient cxpb.AgentsClient |
| |
| // LROClient is used internally to handle longrunning operations. |
| // It is exposed so that its CallOptions can be modified if required. |
| // Users should not Close this client. |
| LROClient *lroauto.OperationsClient |
| |
| // The call options for this service. |
| CallOptions *AgentsCallOptions |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewAgentsClient creates a new agents client. |
| // |
| // Service for managing Agents. |
| func NewAgentsClient(ctx context.Context, opts ...option.ClientOption) (*AgentsClient, error) { |
| clientOpts := defaultAgentsClientOptions() |
| |
| if newAgentsClientHook != nil { |
| hookOpts, err := newAgentsClientHook(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 := &AgentsClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| CallOptions: defaultAgentsCallOptions(), |
| |
| agentsClient: cxpb.NewAgentsClient(connPool), |
| } |
| c.setGoogleClientInfo() |
| |
| c.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 |
| } |
| return c, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *AgentsClient) 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 *AgentsClient) 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 *AgentsClient) 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...)) |
| } |
| |
| // ListAgents returns the list of all agents in the specified location. |
| func (c *AgentsClient) ListAgents(ctx context.Context, req *cxpb.ListAgentsRequest, opts ...gax.CallOption) *AgentIterator { |
| 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.ListAgents[0:len(c.CallOptions.ListAgents):len(c.CallOptions.ListAgents)], opts...) |
| it := &AgentIterator{} |
| req = proto.Clone(req).(*cxpb.ListAgentsRequest) |
| it.InternalFetch = func(pageSize int, pageToken string) ([]*cxpb.Agent, string, error) { |
| var resp *cxpb.ListAgentsResponse |
| 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.agentsClient.ListAgents(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, "", err |
| } |
| |
| it.Response = resp |
| return resp.GetAgents(), 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 |
| } |
| |
| // GetAgent retrieves the specified agent. |
| func (c *AgentsClient) GetAgent(ctx context.Context, req *cxpb.GetAgentRequest, opts ...gax.CallOption) (*cxpb.Agent, 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.GetAgent[0:len(c.CallOptions.GetAgent):len(c.CallOptions.GetAgent)], opts...) |
| var resp *cxpb.Agent |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.agentsClient.GetAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // CreateAgent creates an agent in the specified location. |
| func (c *AgentsClient) CreateAgent(ctx context.Context, req *cxpb.CreateAgentRequest, opts ...gax.CallOption) (*cxpb.Agent, 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.CreateAgent[0:len(c.CallOptions.CreateAgent):len(c.CallOptions.CreateAgent)], opts...) |
| var resp *cxpb.Agent |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.agentsClient.CreateAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // UpdateAgent updates the specified agent. |
| func (c *AgentsClient) UpdateAgent(ctx context.Context, req *cxpb.UpdateAgentRequest, opts ...gax.CallOption) (*cxpb.Agent, 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", "agent.name", url.QueryEscape(req.GetAgent().GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.UpdateAgent[0:len(c.CallOptions.UpdateAgent):len(c.CallOptions.UpdateAgent)], opts...) |
| var resp *cxpb.Agent |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.agentsClient.UpdateAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // DeleteAgent deletes the specified agent. |
| func (c *AgentsClient) DeleteAgent(ctx context.Context, req *cxpb.DeleteAgentRequest, 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.DeleteAgent[0:len(c.CallOptions.DeleteAgent):len(c.CallOptions.DeleteAgent)], opts...) |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| _, err = c.agentsClient.DeleteAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| return err |
| } |
| |
| // ExportAgent exports the specified agent to a binary file. |
| func (c *AgentsClient) ExportAgent(ctx context.Context, req *cxpb.ExportAgentRequest, opts ...gax.CallOption) (*ExportAgentOperation, 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.ExportAgent[0:len(c.CallOptions.ExportAgent):len(c.CallOptions.ExportAgent)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.agentsClient.ExportAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &ExportAgentOperation{ |
| lro: longrunning.InternalNewOperation(c.LROClient, resp), |
| }, nil |
| } |
| |
| // RestoreAgent restores the specified agent from a binary file. |
| // |
| // Replaces the current agent with a new one. Note that all existing resources |
| // in agent (e.g. intents, entity types, flows) will be removed. |
| func (c *AgentsClient) RestoreAgent(ctx context.Context, req *cxpb.RestoreAgentRequest, opts ...gax.CallOption) (*RestoreAgentOperation, 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.RestoreAgent[0:len(c.CallOptions.RestoreAgent):len(c.CallOptions.RestoreAgent)], opts...) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.agentsClient.RestoreAgent(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return &RestoreAgentOperation{ |
| lro: longrunning.InternalNewOperation(c.LROClient, resp), |
| }, nil |
| } |
| |
| // ExportAgentOperation manages a long-running operation from ExportAgent. |
| type ExportAgentOperation struct { |
| lro *longrunning.Operation |
| } |
| |
| // ExportAgentOperation returns a new ExportAgentOperation from a given name. |
| // The name must be that of a previously created ExportAgentOperation, possibly from a different process. |
| func (c *AgentsClient) ExportAgentOperation(name string) *ExportAgentOperation { |
| return &ExportAgentOperation{ |
| 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 *ExportAgentOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*cxpb.ExportAgentResponse, error) { |
| var resp cxpb.ExportAgentResponse |
| 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 *ExportAgentOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*cxpb.ExportAgentResponse, error) { |
| var resp cxpb.ExportAgentResponse |
| 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 *ExportAgentOperation) Metadata() (*structpbpb.Struct, error) { |
| var meta structpbpb.Struct |
| 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 *ExportAgentOperation) 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 *ExportAgentOperation) Name() string { |
| return op.lro.Name() |
| } |
| |
| // RestoreAgentOperation manages a long-running operation from RestoreAgent. |
| type RestoreAgentOperation struct { |
| lro *longrunning.Operation |
| } |
| |
| // RestoreAgentOperation returns a new RestoreAgentOperation from a given name. |
| // The name must be that of a previously created RestoreAgentOperation, possibly from a different process. |
| func (c *AgentsClient) RestoreAgentOperation(name string) *RestoreAgentOperation { |
| return &RestoreAgentOperation{ |
| 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 *RestoreAgentOperation) 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 *RestoreAgentOperation) 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 *RestoreAgentOperation) Metadata() (*structpbpb.Struct, error) { |
| var meta structpbpb.Struct |
| 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 *RestoreAgentOperation) 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 *RestoreAgentOperation) Name() string { |
| return op.lro.Name() |
| } |
| |
| // AgentIterator manages a stream of *cxpb.Agent. |
| type AgentIterator struct { |
| items []*cxpb.Agent |
| 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 []*cxpb.Agent, nextPageToken string, err error) |
| } |
| |
| // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. |
| func (it *AgentIterator) 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 *AgentIterator) Next() (*cxpb.Agent, error) { |
| var item *cxpb.Agent |
| if err := it.nextFunc(); err != nil { |
| return item, err |
| } |
| item = it.items[0] |
| it.items = it.items[1:] |
| return item, nil |
| } |
| |
| func (it *AgentIterator) bufLen() int { |
| return len(it.items) |
| } |
| |
| func (it *AgentIterator) takeBuf() interface{} { |
| b := it.items |
| it.items = nil |
| return b |
| } |