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// 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 pubsublite
import (
"context"
"fmt"
"math"
"net/url"
"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"
pubsublitepb "google.golang.org/genproto/googleapis/cloud/pubsublite/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
var newAdminClientHook clientHook
// AdminCallOptions contains the retry settings for each method of AdminClient.
type AdminCallOptions struct {
CreateTopic []gax.CallOption
GetTopic []gax.CallOption
GetTopicPartitions []gax.CallOption
ListTopics []gax.CallOption
UpdateTopic []gax.CallOption
DeleteTopic []gax.CallOption
ListTopicSubscriptions []gax.CallOption
CreateSubscription []gax.CallOption
GetSubscription []gax.CallOption
ListSubscriptions []gax.CallOption
UpdateSubscription []gax.CallOption
DeleteSubscription []gax.CallOption
}
func defaultAdminClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("pubsublite.googleapis.com:443"),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultAdminCallOptions() *AdminCallOptions {
return &AdminCallOptions{
CreateTopic: []gax.CallOption{},
GetTopic: []gax.CallOption{},
GetTopicPartitions: []gax.CallOption{},
ListTopics: []gax.CallOption{},
UpdateTopic: []gax.CallOption{},
DeleteTopic: []gax.CallOption{},
ListTopicSubscriptions: []gax.CallOption{},
CreateSubscription: []gax.CallOption{},
GetSubscription: []gax.CallOption{},
ListSubscriptions: []gax.CallOption{},
UpdateSubscription: []gax.CallOption{},
DeleteSubscription: []gax.CallOption{},
}
}
// AdminClient is a client for interacting with .
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type AdminClient 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.
adminClient pubsublitepb.AdminServiceClient
// The call options for this service.
CallOptions *AdminCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewAdminClient creates a new admin service client.
//
// The service that a client application uses to manage topics and
// subscriptions, such creating, listing, and deleting topics and subscriptions.
func NewAdminClient(ctx context.Context, opts ...option.ClientOption) (*AdminClient, error) {
clientOpts := defaultAdminClientOptions()
if newAdminClientHook != nil {
hookOpts, err := newAdminClientHook(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 := &AdminClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
CallOptions: defaultAdminCallOptions(),
adminClient: pubsublitepb.NewAdminServiceClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *AdminClient) 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 *AdminClient) 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 *AdminClient) 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...))
}
// CreateTopic creates a new topic.
func (c *AdminClient) CreateTopic(ctx context.Context, req *pubsublitepb.CreateTopicRequest, opts ...gax.CallOption) (*pubsublitepb.Topic, error) {
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.CreateTopic[0:len(c.CallOptions.CreateTopic):len(c.CallOptions.CreateTopic)], opts...)
var resp *pubsublitepb.Topic
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.CreateTopic(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetTopic returns the topic configuration.
func (c *AdminClient) GetTopic(ctx context.Context, req *pubsublitepb.GetTopicRequest, opts ...gax.CallOption) (*pubsublitepb.Topic, error) {
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.GetTopic[0:len(c.CallOptions.GetTopic):len(c.CallOptions.GetTopic)], opts...)
var resp *pubsublitepb.Topic
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.GetTopic(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetTopicPartitions returns the partition information for the requested topic.
func (c *AdminClient) GetTopicPartitions(ctx context.Context, req *pubsublitepb.GetTopicPartitionsRequest, opts ...gax.CallOption) (*pubsublitepb.TopicPartitions, error) {
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.GetTopicPartitions[0:len(c.CallOptions.GetTopicPartitions):len(c.CallOptions.GetTopicPartitions)], opts...)
var resp *pubsublitepb.TopicPartitions
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.GetTopicPartitions(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListTopics returns the list of topics for the given project.
func (c *AdminClient) ListTopics(ctx context.Context, req *pubsublitepb.ListTopicsRequest, opts ...gax.CallOption) *TopicIterator {
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.ListTopics[0:len(c.CallOptions.ListTopics):len(c.CallOptions.ListTopics)], opts...)
it := &TopicIterator{}
req = proto.Clone(req).(*pubsublitepb.ListTopicsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*pubsublitepb.Topic, string, error) {
var resp *pubsublitepb.ListTopicsResponse
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.adminClient.ListTopics(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetTopics(), 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
}
// UpdateTopic updates properties of the specified topic.
func (c *AdminClient) UpdateTopic(ctx context.Context, req *pubsublitepb.UpdateTopicRequest, opts ...gax.CallOption) (*pubsublitepb.Topic, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "topic.name", url.QueryEscape(req.GetTopic().GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.UpdateTopic[0:len(c.CallOptions.UpdateTopic):len(c.CallOptions.UpdateTopic)], opts...)
var resp *pubsublitepb.Topic
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.UpdateTopic(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteTopic deletes the specified topic.
func (c *AdminClient) DeleteTopic(ctx context.Context, req *pubsublitepb.DeleteTopicRequest, opts ...gax.CallOption) error {
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.DeleteTopic[0:len(c.CallOptions.DeleteTopic):len(c.CallOptions.DeleteTopic)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.adminClient.DeleteTopic(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// ListTopicSubscriptions lists the subscriptions attached to the specified topic.
func (c *AdminClient) ListTopicSubscriptions(ctx context.Context, req *pubsublitepb.ListTopicSubscriptionsRequest, opts ...gax.CallOption) *StringIterator {
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.ListTopicSubscriptions[0:len(c.CallOptions.ListTopicSubscriptions):len(c.CallOptions.ListTopicSubscriptions)], opts...)
it := &StringIterator{}
req = proto.Clone(req).(*pubsublitepb.ListTopicSubscriptionsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]string, string, error) {
var resp *pubsublitepb.ListTopicSubscriptionsResponse
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.adminClient.ListTopicSubscriptions(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetSubscriptions(), 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
}
// CreateSubscription creates a new subscription.
func (c *AdminClient) CreateSubscription(ctx context.Context, req *pubsublitepb.CreateSubscriptionRequest, opts ...gax.CallOption) (*pubsublitepb.Subscription, error) {
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.CreateSubscription[0:len(c.CallOptions.CreateSubscription):len(c.CallOptions.CreateSubscription)], opts...)
var resp *pubsublitepb.Subscription
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.CreateSubscription(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetSubscription returns the subscription configuration.
func (c *AdminClient) GetSubscription(ctx context.Context, req *pubsublitepb.GetSubscriptionRequest, opts ...gax.CallOption) (*pubsublitepb.Subscription, error) {
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.GetSubscription[0:len(c.CallOptions.GetSubscription):len(c.CallOptions.GetSubscription)], opts...)
var resp *pubsublitepb.Subscription
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.GetSubscription(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListSubscriptions returns the list of subscriptions for the given project.
func (c *AdminClient) ListSubscriptions(ctx context.Context, req *pubsublitepb.ListSubscriptionsRequest, opts ...gax.CallOption) *SubscriptionIterator {
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.ListSubscriptions[0:len(c.CallOptions.ListSubscriptions):len(c.CallOptions.ListSubscriptions)], opts...)
it := &SubscriptionIterator{}
req = proto.Clone(req).(*pubsublitepb.ListSubscriptionsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*pubsublitepb.Subscription, string, error) {
var resp *pubsublitepb.ListSubscriptionsResponse
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.adminClient.ListSubscriptions(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetSubscriptions(), 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
}
// UpdateSubscription updates properties of the specified subscription.
func (c *AdminClient) UpdateSubscription(ctx context.Context, req *pubsublitepb.UpdateSubscriptionRequest, opts ...gax.CallOption) (*pubsublitepb.Subscription, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "subscription.name", url.QueryEscape(req.GetSubscription().GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.UpdateSubscription[0:len(c.CallOptions.UpdateSubscription):len(c.CallOptions.UpdateSubscription)], opts...)
var resp *pubsublitepb.Subscription
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.adminClient.UpdateSubscription(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteSubscription deletes the specified subscription.
func (c *AdminClient) DeleteSubscription(ctx context.Context, req *pubsublitepb.DeleteSubscriptionRequest, opts ...gax.CallOption) error {
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.DeleteSubscription[0:len(c.CallOptions.DeleteSubscription):len(c.CallOptions.DeleteSubscription)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.adminClient.DeleteSubscription(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// StringIterator manages a stream of string.
type StringIterator struct {
items []string
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 []string, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *StringIterator) 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 *StringIterator) Next() (string, error) {
var item string
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *StringIterator) bufLen() int {
return len(it.items)
}
func (it *StringIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// SubscriptionIterator manages a stream of *pubsublitepb.Subscription.
type SubscriptionIterator struct {
items []*pubsublitepb.Subscription
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 []*pubsublitepb.Subscription, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *SubscriptionIterator) 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 *SubscriptionIterator) Next() (*pubsublitepb.Subscription, error) {
var item *pubsublitepb.Subscription
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *SubscriptionIterator) bufLen() int {
return len(it.items)
}
func (it *SubscriptionIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// TopicIterator manages a stream of *pubsublitepb.Topic.
type TopicIterator struct {
items []*pubsublitepb.Topic
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 []*pubsublitepb.Topic, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *TopicIterator) 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 *TopicIterator) Next() (*pubsublitepb.Topic, error) {
var item *pubsublitepb.Topic
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *TopicIterator) bufLen() int {
return len(it.items)
}
func (it *TopicIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}