| // 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 dataflow |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| 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" |
| dataflowpb "google.golang.org/genproto/googleapis/dataflow/v1beta3" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/metadata" |
| "google.golang.org/protobuf/proto" |
| ) |
| |
| var newJobsV1Beta3ClientHook clientHook |
| |
| // JobsV1Beta3CallOptions contains the retry settings for each method of JobsV1Beta3Client. |
| type JobsV1Beta3CallOptions struct { |
| CreateJob []gax.CallOption |
| GetJob []gax.CallOption |
| UpdateJob []gax.CallOption |
| ListJobs []gax.CallOption |
| AggregatedListJobs []gax.CallOption |
| CheckActiveJobs []gax.CallOption |
| SnapshotJob []gax.CallOption |
| } |
| |
| func defaultJobsV1Beta3GRPCClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| internaloption.WithDefaultEndpoint("dataflow.googleapis.com:443"), |
| internaloption.WithDefaultMTLSEndpoint("dataflow.mtls.googleapis.com:443"), |
| internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"), |
| internaloption.WithDefaultScopes(DefaultAuthScopes()...), |
| internaloption.EnableJwtWithScope(), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultJobsV1Beta3CallOptions() *JobsV1Beta3CallOptions { |
| return &JobsV1Beta3CallOptions{ |
| CreateJob: []gax.CallOption{}, |
| GetJob: []gax.CallOption{}, |
| UpdateJob: []gax.CallOption{}, |
| ListJobs: []gax.CallOption{}, |
| AggregatedListJobs: []gax.CallOption{}, |
| CheckActiveJobs: []gax.CallOption{}, |
| SnapshotJob: []gax.CallOption{}, |
| } |
| } |
| |
| // internalJobsV1Beta3Client is an interface that defines the methods availaible from Dataflow API. |
| type internalJobsV1Beta3Client interface { |
| Close() error |
| setGoogleClientInfo(...string) |
| Connection() *grpc.ClientConn |
| CreateJob(context.Context, *dataflowpb.CreateJobRequest, ...gax.CallOption) (*dataflowpb.Job, error) |
| GetJob(context.Context, *dataflowpb.GetJobRequest, ...gax.CallOption) (*dataflowpb.Job, error) |
| UpdateJob(context.Context, *dataflowpb.UpdateJobRequest, ...gax.CallOption) (*dataflowpb.Job, error) |
| ListJobs(context.Context, *dataflowpb.ListJobsRequest, ...gax.CallOption) *JobIterator |
| AggregatedListJobs(context.Context, *dataflowpb.ListJobsRequest, ...gax.CallOption) *JobIterator |
| CheckActiveJobs(context.Context, *dataflowpb.CheckActiveJobsRequest, ...gax.CallOption) (*dataflowpb.CheckActiveJobsResponse, error) |
| SnapshotJob(context.Context, *dataflowpb.SnapshotJobRequest, ...gax.CallOption) (*dataflowpb.Snapshot, error) |
| } |
| |
| // JobsV1Beta3Client is a client for interacting with Dataflow API. |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| // |
| // Provides a method to create and modify Google Cloud Dataflow jobs. |
| // A Job is a multi-stage computation graph run by the Cloud Dataflow service. |
| type JobsV1Beta3Client struct { |
| // The internal transport-dependent client. |
| internalClient internalJobsV1Beta3Client |
| |
| // The call options for this service. |
| CallOptions *JobsV1Beta3CallOptions |
| } |
| |
| // 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 *JobsV1Beta3Client) 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 *JobsV1Beta3Client) setGoogleClientInfo(keyval ...string) { |
| c.internalClient.setGoogleClientInfo(keyval...) |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *JobsV1Beta3Client) Connection() *grpc.ClientConn { |
| return c.internalClient.Connection() |
| } |
| |
| // CreateJob creates a Cloud Dataflow job. |
| // |
| // To create a job, we recommend using projects.locations.jobs.create with a |
| // [regional endpoint] |
| // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints (at https://cloud.google.com/dataflow/docs/concepts/regional-endpoints)). Using |
| // projects.jobs.create is not recommended, as your job will always start |
| // in us-central1. |
| func (c *JobsV1Beta3Client) CreateJob(ctx context.Context, req *dataflowpb.CreateJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) { |
| return c.internalClient.CreateJob(ctx, req, opts...) |
| } |
| |
| // GetJob gets the state of the specified Cloud Dataflow job. |
| // |
| // To get the state of a job, we recommend using projects.locations.jobs.get |
| // with a [regional endpoint] |
| // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints (at https://cloud.google.com/dataflow/docs/concepts/regional-endpoints)). Using |
| // projects.jobs.get is not recommended, as you can only get the state of |
| // jobs that are running in us-central1. |
| func (c *JobsV1Beta3Client) GetJob(ctx context.Context, req *dataflowpb.GetJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) { |
| return c.internalClient.GetJob(ctx, req, opts...) |
| } |
| |
| // UpdateJob updates the state of an existing Cloud Dataflow job. |
| // |
| // To update the state of an existing job, we recommend using |
| // projects.locations.jobs.update with a [regional endpoint] |
| // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints (at https://cloud.google.com/dataflow/docs/concepts/regional-endpoints)). Using |
| // projects.jobs.update is not recommended, as you can only update the state |
| // of jobs that are running in us-central1. |
| func (c *JobsV1Beta3Client) UpdateJob(ctx context.Context, req *dataflowpb.UpdateJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) { |
| return c.internalClient.UpdateJob(ctx, req, opts...) |
| } |
| |
| // ListJobs list the jobs of a project. |
| // |
| // To list the jobs of a project in a region, we recommend using |
| // projects.locations.jobs.list with a [regional endpoint] |
| // (https://cloud.google.com/dataflow/docs/concepts/regional-endpoints (at https://cloud.google.com/dataflow/docs/concepts/regional-endpoints)). To |
| // list the all jobs across all regions, use projects.jobs.aggregated. Using |
| // projects.jobs.list is not recommended, as you can only get the list of |
| // jobs that are running in us-central1. |
| func (c *JobsV1Beta3Client) ListJobs(ctx context.Context, req *dataflowpb.ListJobsRequest, opts ...gax.CallOption) *JobIterator { |
| return c.internalClient.ListJobs(ctx, req, opts...) |
| } |
| |
| // AggregatedListJobs list the jobs of a project across all regions. |
| func (c *JobsV1Beta3Client) AggregatedListJobs(ctx context.Context, req *dataflowpb.ListJobsRequest, opts ...gax.CallOption) *JobIterator { |
| return c.internalClient.AggregatedListJobs(ctx, req, opts...) |
| } |
| |
| // CheckActiveJobs check for existence of active jobs in the given project across all regions. |
| func (c *JobsV1Beta3Client) CheckActiveJobs(ctx context.Context, req *dataflowpb.CheckActiveJobsRequest, opts ...gax.CallOption) (*dataflowpb.CheckActiveJobsResponse, error) { |
| return c.internalClient.CheckActiveJobs(ctx, req, opts...) |
| } |
| |
| // SnapshotJob snapshot the state of a streaming job. |
| func (c *JobsV1Beta3Client) SnapshotJob(ctx context.Context, req *dataflowpb.SnapshotJobRequest, opts ...gax.CallOption) (*dataflowpb.Snapshot, error) { |
| return c.internalClient.SnapshotJob(ctx, req, opts...) |
| } |
| |
| // jobsV1Beta3GRPCClient is a client for interacting with Dataflow API over gRPC transport. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type jobsV1Beta3GRPCClient 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 JobsV1Beta3Client |
| CallOptions **JobsV1Beta3CallOptions |
| |
| // The gRPC API client. |
| jobsV1Beta3Client dataflowpb.JobsV1Beta3Client |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewJobsV1Beta3Client creates a new jobs v1 beta3 client based on gRPC. |
| // The returned client must be Closed when it is done being used to clean up its underlying connections. |
| // |
| // Provides a method to create and modify Google Cloud Dataflow jobs. |
| // A Job is a multi-stage computation graph run by the Cloud Dataflow service. |
| func NewJobsV1Beta3Client(ctx context.Context, opts ...option.ClientOption) (*JobsV1Beta3Client, error) { |
| clientOpts := defaultJobsV1Beta3GRPCClientOptions() |
| if newJobsV1Beta3ClientHook != nil { |
| hookOpts, err := newJobsV1Beta3ClientHook(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 := JobsV1Beta3Client{CallOptions: defaultJobsV1Beta3CallOptions()} |
| |
| c := &jobsV1Beta3GRPCClient{ |
| connPool: connPool, |
| disableDeadlines: disableDeadlines, |
| jobsV1Beta3Client: dataflowpb.NewJobsV1Beta3Client(connPool), |
| CallOptions: &client.CallOptions, |
| } |
| c.setGoogleClientInfo() |
| |
| client.internalClient = c |
| |
| return &client, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *jobsV1Beta3GRPCClient) 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 *jobsV1Beta3GRPCClient) 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...)) |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *jobsV1Beta3GRPCClient) Close() error { |
| return c.connPool.Close() |
| } |
| |
| func (c *jobsV1Beta3GRPCClient) CreateJob(ctx context.Context, req *dataflowpb.CreateJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, 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&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).CreateJob[0:len((*c.CallOptions).CreateJob):len((*c.CallOptions).CreateJob)], opts...) |
| var resp *dataflowpb.Job |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.jobsV1Beta3Client.CreateJob(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *jobsV1Beta3GRPCClient) GetJob(ctx context.Context, req *dataflowpb.GetJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, 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&%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "job_id", url.QueryEscape(req.GetJobId()), "location", url.QueryEscape(req.GetLocation()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).GetJob[0:len((*c.CallOptions).GetJob):len((*c.CallOptions).GetJob)], opts...) |
| var resp *dataflowpb.Job |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.jobsV1Beta3Client.GetJob(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *jobsV1Beta3GRPCClient) UpdateJob(ctx context.Context, req *dataflowpb.UpdateJobRequest, opts ...gax.CallOption) (*dataflowpb.Job, 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&%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "job_id", url.QueryEscape(req.GetJobId()), "location", url.QueryEscape(req.GetLocation()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).UpdateJob[0:len((*c.CallOptions).UpdateJob):len((*c.CallOptions).UpdateJob)], opts...) |
| var resp *dataflowpb.Job |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.jobsV1Beta3Client.UpdateJob(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *jobsV1Beta3GRPCClient) ListJobs(ctx context.Context, req *dataflowpb.ListJobsRequest, opts ...gax.CallOption) *JobIterator { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "location", url.QueryEscape(req.GetLocation()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).ListJobs[0:len((*c.CallOptions).ListJobs):len((*c.CallOptions).ListJobs)], opts...) |
| it := &JobIterator{} |
| req = proto.Clone(req).(*dataflowpb.ListJobsRequest) |
| it.InternalFetch = func(pageSize int, pageToken string) ([]*dataflowpb.Job, string, error) { |
| resp := &dataflowpb.ListJobsResponse{} |
| 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.jobsV1Beta3Client.ListJobs(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, "", err |
| } |
| |
| it.Response = resp |
| return resp.GetJobs(), 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 *jobsV1Beta3GRPCClient) AggregatedListJobs(ctx context.Context, req *dataflowpb.ListJobsRequest, opts ...gax.CallOption) *JobIterator { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_id", url.QueryEscape(req.GetProjectId()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).AggregatedListJobs[0:len((*c.CallOptions).AggregatedListJobs):len((*c.CallOptions).AggregatedListJobs)], opts...) |
| it := &JobIterator{} |
| req = proto.Clone(req).(*dataflowpb.ListJobsRequest) |
| it.InternalFetch = func(pageSize int, pageToken string) ([]*dataflowpb.Job, string, error) { |
| resp := &dataflowpb.ListJobsResponse{} |
| 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.jobsV1Beta3Client.AggregatedListJobs(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, "", err |
| } |
| |
| it.Response = resp |
| return resp.GetJobs(), 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 *jobsV1Beta3GRPCClient) CheckActiveJobs(ctx context.Context, req *dataflowpb.CheckActiveJobsRequest, opts ...gax.CallOption) (*dataflowpb.CheckActiveJobsResponse, error) { |
| if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines { |
| cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond) |
| defer cancel() |
| ctx = cctx |
| } |
| ctx = insertMetadata(ctx, c.xGoogMetadata) |
| opts = append((*c.CallOptions).CheckActiveJobs[0:len((*c.CallOptions).CheckActiveJobs):len((*c.CallOptions).CheckActiveJobs)], opts...) |
| var resp *dataflowpb.CheckActiveJobsResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.jobsV1Beta3Client.CheckActiveJobs(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| func (c *jobsV1Beta3GRPCClient) SnapshotJob(ctx context.Context, req *dataflowpb.SnapshotJobRequest, opts ...gax.CallOption) (*dataflowpb.Snapshot, 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&%s=%v&%s=%v", "project_id", url.QueryEscape(req.GetProjectId()), "job_id", url.QueryEscape(req.GetJobId()), "location", url.QueryEscape(req.GetLocation()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append((*c.CallOptions).SnapshotJob[0:len((*c.CallOptions).SnapshotJob):len((*c.CallOptions).SnapshotJob)], opts...) |
| var resp *dataflowpb.Snapshot |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.jobsV1Beta3Client.SnapshotJob(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // JobIterator manages a stream of *dataflowpb.Job. |
| type JobIterator struct { |
| items []*dataflowpb.Job |
| 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 []*dataflowpb.Job, nextPageToken string, err error) |
| } |
| |
| // PageInfo supports pagination. See the google.golang.org/api/iterator package for details. |
| func (it *JobIterator) 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 *JobIterator) Next() (*dataflowpb.Job, error) { |
| var item *dataflowpb.Job |
| if err := it.nextFunc(); err != nil { |
| return item, err |
| } |
| item = it.items[0] |
| it.items = it.items[1:] |
| return item, nil |
| } |
| |
| func (it *JobIterator) bufLen() int { |
| return len(it.items) |
| } |
| |
| func (it *JobIterator) takeBuf() interface{} { |
| b := it.items |
| it.items = nil |
| return b |
| } |