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// Copyright 2018 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.
// AUTO-GENERATED CODE. DO NOT EDIT.
package datatransfer
import (
"math"
"time"
"cloud.google.com/go/internal/version"
gax "github.com/googleapis/gax-go"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/api/transport"
datatransferpb "google.golang.org/genproto/googleapis/cloud/bigquery/datatransfer/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// CallOptions contains the retry settings for each method of Client.
type CallOptions struct {
GetDataSource []gax.CallOption
ListDataSources []gax.CallOption
CreateTransferConfig []gax.CallOption
UpdateTransferConfig []gax.CallOption
DeleteTransferConfig []gax.CallOption
GetTransferConfig []gax.CallOption
ListTransferConfigs []gax.CallOption
ScheduleTransferRuns []gax.CallOption
GetTransferRun []gax.CallOption
DeleteTransferRun []gax.CallOption
ListTransferRuns []gax.CallOption
ListTransferLogs []gax.CallOption
CheckValidCreds []gax.CallOption
}
func defaultClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("bigquerydatatransfer.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
}
}
func defaultCallOptions() *CallOptions {
retry := map[[2]string][]gax.CallOption{
{"default", "idempotent"}: {
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: 1.3,
})
}),
},
}
return &CallOptions{
GetDataSource: retry[[2]string{"default", "idempotent"}],
ListDataSources: retry[[2]string{"default", "idempotent"}],
CreateTransferConfig: retry[[2]string{"default", "non_idempotent"}],
UpdateTransferConfig: retry[[2]string{"default", "non_idempotent"}],
DeleteTransferConfig: retry[[2]string{"default", "idempotent"}],
GetTransferConfig: retry[[2]string{"default", "idempotent"}],
ListTransferConfigs: retry[[2]string{"default", "idempotent"}],
ScheduleTransferRuns: retry[[2]string{"default", "non_idempotent"}],
GetTransferRun: retry[[2]string{"default", "idempotent"}],
DeleteTransferRun: retry[[2]string{"default", "idempotent"}],
ListTransferRuns: retry[[2]string{"default", "idempotent"}],
ListTransferLogs: retry[[2]string{"default", "idempotent"}],
CheckValidCreds: retry[[2]string{"default", "idempotent"}],
}
}
// Client is a client for interacting with BigQuery Data Transfer API.
type Client struct {
// The connection to the service.
conn *grpc.ClientConn
// The gRPC API client.
client datatransferpb.DataTransferServiceClient
// The call options for this service.
CallOptions *CallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewClient creates a new data transfer service client.
//
// The Google BigQuery Data Transfer Service API enables BigQuery users to
// configure the transfer of their data from other Google Products into BigQuery.
// This service contains methods that are end user exposed. It backs up the
// frontend.
func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
conn, err := transport.DialGRPC(ctx, append(defaultClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &Client{
conn: conn,
CallOptions: defaultCallOptions(),
client: datatransferpb.NewDataTransferServiceClient(conn),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *Client) Connection() *grpc.ClientConn {
return c.conn
}
// 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.conn.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) {
kv := append([]string{"gl-go", version.Go()}, keyval...)
kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// GetDataSource retrieves a supported data source and returns its settings,
// which can be used for UI rendering.
func (c *Client) GetDataSource(ctx context.Context, req *datatransferpb.GetDataSourceRequest, opts ...gax.CallOption) (*datatransferpb.DataSource, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetDataSource[0:len(c.CallOptions.GetDataSource):len(c.CallOptions.GetDataSource)], opts...)
var resp *datatransferpb.DataSource
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetDataSource(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListDataSources lists supported data sources and returns their settings,
// which can be used for UI rendering.
func (c *Client) ListDataSources(ctx context.Context, req *datatransferpb.ListDataSourcesRequest, opts ...gax.CallOption) *DataSourceIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListDataSources[0:len(c.CallOptions.ListDataSources):len(c.CallOptions.ListDataSources)], opts...)
it := &DataSourceIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*datatransferpb.DataSource, string, error) {
var resp *datatransferpb.ListDataSourcesResponse
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.client.ListDataSources(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.DataSources, resp.NextPageToken, 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)
return it
}
// CreateTransferConfig creates a new data transfer configuration.
func (c *Client) CreateTransferConfig(ctx context.Context, req *datatransferpb.CreateTransferConfigRequest, opts ...gax.CallOption) (*datatransferpb.TransferConfig, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CreateTransferConfig[0:len(c.CallOptions.CreateTransferConfig):len(c.CallOptions.CreateTransferConfig)], opts...)
var resp *datatransferpb.TransferConfig
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CreateTransferConfig(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// UpdateTransferConfig updates a data transfer configuration.
// All fields must be set, even if they are not updated.
func (c *Client) UpdateTransferConfig(ctx context.Context, req *datatransferpb.UpdateTransferConfigRequest, opts ...gax.CallOption) (*datatransferpb.TransferConfig, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateTransferConfig[0:len(c.CallOptions.UpdateTransferConfig):len(c.CallOptions.UpdateTransferConfig)], opts...)
var resp *datatransferpb.TransferConfig
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.UpdateTransferConfig(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteTransferConfig deletes a data transfer configuration,
// including any associated transfer runs and logs.
func (c *Client) DeleteTransferConfig(ctx context.Context, req *datatransferpb.DeleteTransferConfigRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteTransferConfig[0:len(c.CallOptions.DeleteTransferConfig):len(c.CallOptions.DeleteTransferConfig)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.client.DeleteTransferConfig(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// GetTransferConfig returns information about a data transfer config.
func (c *Client) GetTransferConfig(ctx context.Context, req *datatransferpb.GetTransferConfigRequest, opts ...gax.CallOption) (*datatransferpb.TransferConfig, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetTransferConfig[0:len(c.CallOptions.GetTransferConfig):len(c.CallOptions.GetTransferConfig)], opts...)
var resp *datatransferpb.TransferConfig
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetTransferConfig(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListTransferConfigs returns information about all data transfers in the project.
func (c *Client) ListTransferConfigs(ctx context.Context, req *datatransferpb.ListTransferConfigsRequest, opts ...gax.CallOption) *TransferConfigIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListTransferConfigs[0:len(c.CallOptions.ListTransferConfigs):len(c.CallOptions.ListTransferConfigs)], opts...)
it := &TransferConfigIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*datatransferpb.TransferConfig, string, error) {
var resp *datatransferpb.ListTransferConfigsResponse
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.client.ListTransferConfigs(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.TransferConfigs, resp.NextPageToken, 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)
return it
}
// ScheduleTransferRuns creates transfer runs for a time range [start_time, end_time].
// For each date - or whatever granularity the data source supports - in the
// range, one transfer run is created.
// Note that runs are created per UTC time in the time range.
func (c *Client) ScheduleTransferRuns(ctx context.Context, req *datatransferpb.ScheduleTransferRunsRequest, opts ...gax.CallOption) (*datatransferpb.ScheduleTransferRunsResponse, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ScheduleTransferRuns[0:len(c.CallOptions.ScheduleTransferRuns):len(c.CallOptions.ScheduleTransferRuns)], opts...)
var resp *datatransferpb.ScheduleTransferRunsResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.ScheduleTransferRuns(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetTransferRun returns information about the particular transfer run.
func (c *Client) GetTransferRun(ctx context.Context, req *datatransferpb.GetTransferRunRequest, opts ...gax.CallOption) (*datatransferpb.TransferRun, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetTransferRun[0:len(c.CallOptions.GetTransferRun):len(c.CallOptions.GetTransferRun)], opts...)
var resp *datatransferpb.TransferRun
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.GetTransferRun(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteTransferRun deletes the specified transfer run.
func (c *Client) DeleteTransferRun(ctx context.Context, req *datatransferpb.DeleteTransferRunRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteTransferRun[0:len(c.CallOptions.DeleteTransferRun):len(c.CallOptions.DeleteTransferRun)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.client.DeleteTransferRun(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// ListTransferRuns returns information about running and completed jobs.
func (c *Client) ListTransferRuns(ctx context.Context, req *datatransferpb.ListTransferRunsRequest, opts ...gax.CallOption) *TransferRunIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListTransferRuns[0:len(c.CallOptions.ListTransferRuns):len(c.CallOptions.ListTransferRuns)], opts...)
it := &TransferRunIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*datatransferpb.TransferRun, string, error) {
var resp *datatransferpb.ListTransferRunsResponse
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.client.ListTransferRuns(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.TransferRuns, resp.NextPageToken, 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)
return it
}
// ListTransferLogs returns user facing log messages for the data transfer run.
func (c *Client) ListTransferLogs(ctx context.Context, req *datatransferpb.ListTransferLogsRequest, opts ...gax.CallOption) *TransferMessageIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListTransferLogs[0:len(c.CallOptions.ListTransferLogs):len(c.CallOptions.ListTransferLogs)], opts...)
it := &TransferMessageIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*datatransferpb.TransferMessage, string, error) {
var resp *datatransferpb.ListTransferLogsResponse
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.client.ListTransferLogs(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.TransferMessages, resp.NextPageToken, 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)
return it
}
// CheckValidCreds returns true if valid credentials exist for the given data source and
// requesting user.
// Some data sources doesn't support service account, so we need to talk to
// them on behalf of the end user. This API just checks whether we have OAuth
// token for the particular user, which is a pre-requisite before user can
// create a transfer config.
func (c *Client) CheckValidCreds(ctx context.Context, req *datatransferpb.CheckValidCredsRequest, opts ...gax.CallOption) (*datatransferpb.CheckValidCredsResponse, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CheckValidCreds[0:len(c.CallOptions.CheckValidCreds):len(c.CallOptions.CheckValidCreds)], opts...)
var resp *datatransferpb.CheckValidCredsResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.client.CheckValidCreds(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DataSourceIterator manages a stream of *datatransferpb.DataSource.
type DataSourceIterator struct {
items []*datatransferpb.DataSource
pageInfo *iterator.PageInfo
nextFunc func() error
// 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 []*datatransferpb.DataSource, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *DataSourceIterator) 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 *DataSourceIterator) Next() (*datatransferpb.DataSource, error) {
var item *datatransferpb.DataSource
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *DataSourceIterator) bufLen() int {
return len(it.items)
}
func (it *DataSourceIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// TransferConfigIterator manages a stream of *datatransferpb.TransferConfig.
type TransferConfigIterator struct {
items []*datatransferpb.TransferConfig
pageInfo *iterator.PageInfo
nextFunc func() error
// 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 []*datatransferpb.TransferConfig, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *TransferConfigIterator) 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 *TransferConfigIterator) Next() (*datatransferpb.TransferConfig, error) {
var item *datatransferpb.TransferConfig
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *TransferConfigIterator) bufLen() int {
return len(it.items)
}
func (it *TransferConfigIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// TransferMessageIterator manages a stream of *datatransferpb.TransferMessage.
type TransferMessageIterator struct {
items []*datatransferpb.TransferMessage
pageInfo *iterator.PageInfo
nextFunc func() error
// 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 []*datatransferpb.TransferMessage, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *TransferMessageIterator) 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 *TransferMessageIterator) Next() (*datatransferpb.TransferMessage, error) {
var item *datatransferpb.TransferMessage
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *TransferMessageIterator) bufLen() int {
return len(it.items)
}
func (it *TransferMessageIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// TransferRunIterator manages a stream of *datatransferpb.TransferRun.
type TransferRunIterator struct {
items []*datatransferpb.TransferRun
pageInfo *iterator.PageInfo
nextFunc func() error
// 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 []*datatransferpb.TransferRun, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *TransferRunIterator) 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 *TransferRunIterator) Next() (*datatransferpb.TransferRun, error) {
var item *datatransferpb.TransferRun
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *TransferRunIterator) bufLen() int {
return len(it.items)
}
func (it *TransferRunIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
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