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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 billing
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"
billingpb "google.golang.org/genproto/googleapis/cloud/billing/v1"
iampb "google.golang.org/genproto/googleapis/iam/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
var newCloudBillingClientHook clientHook
// CloudBillingCallOptions contains the retry settings for each method of CloudBillingClient.
type CloudBillingCallOptions struct {
GetBillingAccount []gax.CallOption
ListBillingAccounts []gax.CallOption
UpdateBillingAccount []gax.CallOption
CreateBillingAccount []gax.CallOption
ListProjectBillingInfo []gax.CallOption
GetProjectBillingInfo []gax.CallOption
UpdateProjectBillingInfo []gax.CallOption
GetIamPolicy []gax.CallOption
SetIamPolicy []gax.CallOption
TestIamPermissions []gax.CallOption
}
func defaultCloudBillingClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("cloudbilling.googleapis.com:443"),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultCloudBillingCallOptions() *CloudBillingCallOptions {
return &CloudBillingCallOptions{
GetBillingAccount: []gax.CallOption{
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: 1.30,
})
}),
},
ListBillingAccounts: []gax.CallOption{
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: 1.30,
})
}),
},
UpdateBillingAccount: []gax.CallOption{
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: 1.30,
})
}),
},
CreateBillingAccount: []gax.CallOption{},
ListProjectBillingInfo: []gax.CallOption{
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: 1.30,
})
}),
},
GetProjectBillingInfo: []gax.CallOption{
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: 1.30,
})
}),
},
UpdateProjectBillingInfo: []gax.CallOption{
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: 1.30,
})
}),
},
GetIamPolicy: []gax.CallOption{
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: 1.30,
})
}),
},
SetIamPolicy: []gax.CallOption{
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: 1.30,
})
}),
},
TestIamPermissions: []gax.CallOption{
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: 1.30,
})
}),
},
}
}
// CloudBillingClient is a client for interacting with Cloud Billing API.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type CloudBillingClient 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.
cloudBillingClient billingpb.CloudBillingClient
// The call options for this service.
CallOptions *CloudBillingCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewCloudBillingClient creates a new cloud billing client.
//
// Retrieves GCP Console billing accounts and associates them with projects.
func NewCloudBillingClient(ctx context.Context, opts ...option.ClientOption) (*CloudBillingClient, error) {
clientOpts := defaultCloudBillingClientOptions()
if newCloudBillingClientHook != nil {
hookOpts, err := newCloudBillingClientHook(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 := &CloudBillingClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
CallOptions: defaultCloudBillingCallOptions(),
cloudBillingClient: billingpb.NewCloudBillingClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *CloudBillingClient) 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 *CloudBillingClient) 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 *CloudBillingClient) 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...))
}
// GetBillingAccount gets information about a billing account. The current authenticated user
// must be a viewer of the billing
// account (at https://cloud.google.com/billing/docs/how-to/billing-access).
func (c *CloudBillingClient) GetBillingAccount(ctx context.Context, req *billingpb.GetBillingAccountRequest, opts ...gax.CallOption) (*billingpb.BillingAccount, 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.GetBillingAccount[0:len(c.CallOptions.GetBillingAccount):len(c.CallOptions.GetBillingAccount)], opts...)
var resp *billingpb.BillingAccount
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.GetBillingAccount(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListBillingAccounts lists the billing accounts that the current authenticated user has
// permission to
// view (at https://cloud.google.com/billing/docs/how-to/billing-access).
func (c *CloudBillingClient) ListBillingAccounts(ctx context.Context, req *billingpb.ListBillingAccountsRequest, opts ...gax.CallOption) *BillingAccountIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListBillingAccounts[0:len(c.CallOptions.ListBillingAccounts):len(c.CallOptions.ListBillingAccounts)], opts...)
it := &BillingAccountIterator{}
req = proto.Clone(req).(*billingpb.ListBillingAccountsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*billingpb.BillingAccount, string, error) {
var resp *billingpb.ListBillingAccountsResponse
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.cloudBillingClient.ListBillingAccounts(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetBillingAccounts(), 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
}
// UpdateBillingAccount updates a billing account’s fields.
// Currently the only field that can be edited is display_name.
// The current authenticated user must have the billing.accounts.update
// IAM permission, which is typically given to the
// administrator (at https://cloud.google.com/billing/docs/how-to/billing-access)
// of the billing account.
func (c *CloudBillingClient) UpdateBillingAccount(ctx context.Context, req *billingpb.UpdateBillingAccountRequest, opts ...gax.CallOption) (*billingpb.BillingAccount, 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.UpdateBillingAccount[0:len(c.CallOptions.UpdateBillingAccount):len(c.CallOptions.UpdateBillingAccount)], opts...)
var resp *billingpb.BillingAccount
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.UpdateBillingAccount(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateBillingAccount creates a billing account.
// This method can only be used to create
// billing subaccounts (at https://cloud.google.com/billing/docs/concepts)
// by GCP resellers.
// When creating a subaccount, the current authenticated user must have the
// billing.accounts.update IAM permission on the master account, which is
// typically given to billing account
// administrators (at https://cloud.google.com/billing/docs/how-to/billing-access).
// This method will return an error if the master account has not been
// provisioned as a reseller account.
func (c *CloudBillingClient) CreateBillingAccount(ctx context.Context, req *billingpb.CreateBillingAccountRequest, opts ...gax.CallOption) (*billingpb.BillingAccount, 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.CreateBillingAccount[0:len(c.CallOptions.CreateBillingAccount):len(c.CallOptions.CreateBillingAccount)], opts...)
var resp *billingpb.BillingAccount
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.CreateBillingAccount(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// ListProjectBillingInfo lists the projects associated with a billing account. The current
// authenticated user must have the billing.resourceAssociations.list IAM
// permission, which is often given to billing account
// viewers (at https://cloud.google.com/billing/docs/how-to/billing-access).
func (c *CloudBillingClient) ListProjectBillingInfo(ctx context.Context, req *billingpb.ListProjectBillingInfoRequest, opts ...gax.CallOption) *ProjectBillingInfoIterator {
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.ListProjectBillingInfo[0:len(c.CallOptions.ListProjectBillingInfo):len(c.CallOptions.ListProjectBillingInfo)], opts...)
it := &ProjectBillingInfoIterator{}
req = proto.Clone(req).(*billingpb.ListProjectBillingInfoRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*billingpb.ProjectBillingInfo, string, error) {
var resp *billingpb.ListProjectBillingInfoResponse
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.cloudBillingClient.ListProjectBillingInfo(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
it.Response = resp
return resp.GetProjectBillingInfo(), 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
}
// GetProjectBillingInfo gets the billing information for a project. The current authenticated user
// must have permission to view the
// project (at https://cloud.google.com/docs/permissions-overview#h.bgs0oxofvnoo).
func (c *CloudBillingClient) GetProjectBillingInfo(ctx context.Context, req *billingpb.GetProjectBillingInfoRequest, opts ...gax.CallOption) (*billingpb.ProjectBillingInfo, 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.GetProjectBillingInfo[0:len(c.CallOptions.GetProjectBillingInfo):len(c.CallOptions.GetProjectBillingInfo)], opts...)
var resp *billingpb.ProjectBillingInfo
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.GetProjectBillingInfo(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// UpdateProjectBillingInfo sets or updates the billing account associated with a project. You specify
// the new billing account by setting the billing_account_name in the
// ProjectBillingInfo resource to the resource name of a billing account.
// Associating a project with an open billing account enables billing on the
// project and allows charges for resource usage. If the project already had a
// billing account, this method changes the billing account used for resource
// usage charges.
//
// Note: Incurred charges that have not yet been reported in the transaction
// history of the GCP Console might be billed to the new billing
// account, even if the charge occurred before the new billing account was
// assigned to the project.
//
// The current authenticated user must have ownership privileges for both the
// project (at https://cloud.google.com/docs/permissions-overview#h.bgs0oxofvnoo) and the billing
// account (at https://cloud.google.com/billing/docs/how-to/billing-access).
//
// You can disable billing on the project by setting the
// billing_account_name field to empty. This action disassociates the
// current billing account from the project. Any billable activity of your
// in-use services will stop, and your application could stop functioning as
// expected. Any unbilled charges to date will be billed to the previously
// associated account. The current authenticated user must be either an owner
// of the project or an owner of the billing account for the project.
//
// Note that associating a project with a closed billing account will have
// much the same effect as disabling billing on the project: any paid
// resources used by the project will be shut down. Thus, unless you wish to
// disable billing, you should always call this method with the name of an
// open billing account.
func (c *CloudBillingClient) UpdateProjectBillingInfo(ctx context.Context, req *billingpb.UpdateProjectBillingInfoRequest, opts ...gax.CallOption) (*billingpb.ProjectBillingInfo, 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.UpdateProjectBillingInfo[0:len(c.CallOptions.UpdateProjectBillingInfo):len(c.CallOptions.UpdateProjectBillingInfo)], opts...)
var resp *billingpb.ProjectBillingInfo
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.UpdateProjectBillingInfo(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// GetIamPolicy gets the access control policy for a billing account.
// The caller must have the billing.accounts.getIamPolicy permission on the
// account, which is often given to billing account
// viewers (at https://cloud.google.com/billing/docs/how-to/billing-access).
func (c *CloudBillingClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, 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", "resource", url.QueryEscape(req.GetResource())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.GetIamPolicy[0:len(c.CallOptions.GetIamPolicy):len(c.CallOptions.GetIamPolicy)], opts...)
var resp *iampb.Policy
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.GetIamPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// SetIamPolicy sets the access control policy for a billing account. Replaces any existing
// policy.
// The caller must have the billing.accounts.setIamPolicy permission on the
// account, which is often given to billing account
// administrators (at https://cloud.google.com/billing/docs/how-to/billing-access).
func (c *CloudBillingClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, 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", "resource", url.QueryEscape(req.GetResource())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.SetIamPolicy[0:len(c.CallOptions.SetIamPolicy):len(c.CallOptions.SetIamPolicy)], opts...)
var resp *iampb.Policy
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.SetIamPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// TestIamPermissions tests the access control policy for a billing account. This method takes
// the resource and a set of permissions as input and returns the subset of
// the input permissions that the caller is allowed for that resource.
func (c *CloudBillingClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, 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", "resource", url.QueryEscape(req.GetResource())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.TestIamPermissions[0:len(c.CallOptions.TestIamPermissions):len(c.CallOptions.TestIamPermissions)], opts...)
var resp *iampb.TestIamPermissionsResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.cloudBillingClient.TestIamPermissions(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// BillingAccountIterator manages a stream of *billingpb.BillingAccount.
type BillingAccountIterator struct {
items []*billingpb.BillingAccount
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 []*billingpb.BillingAccount, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *BillingAccountIterator) 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 *BillingAccountIterator) Next() (*billingpb.BillingAccount, error) {
var item *billingpb.BillingAccount
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *BillingAccountIterator) bufLen() int {
return len(it.items)
}
func (it *BillingAccountIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// ProjectBillingInfoIterator manages a stream of *billingpb.ProjectBillingInfo.
type ProjectBillingInfoIterator struct {
items []*billingpb.ProjectBillingInfo
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 []*billingpb.ProjectBillingInfo, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *ProjectBillingInfoIterator) 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 *ProjectBillingInfoIterator) Next() (*billingpb.ProjectBillingInfo, error) {
var item *billingpb.ProjectBillingInfo
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *ProjectBillingInfoIterator) bufLen() int {
return len(it.items)
}
func (it *ProjectBillingInfoIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}