234 lines
7.8 KiB
Go
234 lines
7.8 KiB
Go
// Copyright 2017, Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// AUTO-GENERATED CODE. DO NOT EDIT.
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package trace
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import (
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"math"
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"time"
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"cloud.google.com/go/internal/version"
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gax "github.com/googleapis/gax-go"
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"golang.org/x/net/context"
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"google.golang.org/api/iterator"
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"google.golang.org/api/option"
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"google.golang.org/api/transport"
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cloudtracepb "google.golang.org/genproto/googleapis/devtools/cloudtrace/v1"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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)
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// CallOptions contains the retry settings for each method of Client.
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type CallOptions struct {
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PatchTraces []gax.CallOption
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GetTrace []gax.CallOption
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ListTraces []gax.CallOption
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}
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func defaultClientOptions() []option.ClientOption {
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return []option.ClientOption{
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option.WithEndpoint("cloudtrace.googleapis.com:443"),
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option.WithScopes(DefaultAuthScopes()...),
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}
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}
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func defaultCallOptions() *CallOptions {
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retry := map[[2]string][]gax.CallOption{
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{"default", "idempotent"}: {
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gax.WithRetry(func() gax.Retryer {
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return gax.OnCodes([]codes.Code{
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codes.DeadlineExceeded,
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codes.Unavailable,
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}, gax.Backoff{
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Initial: 100 * time.Millisecond,
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Max: 1000 * time.Millisecond,
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Multiplier: 1.2,
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})
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}),
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},
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}
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return &CallOptions{
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PatchTraces: retry[[2]string{"default", "idempotent"}],
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GetTrace: retry[[2]string{"default", "idempotent"}],
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ListTraces: retry[[2]string{"default", "idempotent"}],
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}
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}
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// Client is a client for interacting with Stackdriver Trace API.
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type Client struct {
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// The connection to the service.
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conn *grpc.ClientConn
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// The gRPC API client.
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client cloudtracepb.TraceServiceClient
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// The call options for this service.
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CallOptions *CallOptions
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// The metadata to be sent with each request.
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xGoogHeader []string
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}
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// NewClient creates a new trace service client.
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//
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// This file describes an API for collecting and viewing traces and spans
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// within a trace. A Trace is a collection of spans corresponding to a single
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// operation or set of operations for an application. A span is an individual
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// timed event which forms a node of the trace tree. Spans for a single trace
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// may span multiple services.
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func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) {
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conn, err := transport.DialGRPC(ctx, append(defaultClientOptions(), opts...)...)
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if err != nil {
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return nil, err
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}
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c := &Client{
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conn: conn,
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CallOptions: defaultCallOptions(),
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client: cloudtracepb.NewTraceServiceClient(conn),
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}
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c.SetGoogleClientInfo()
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return c, nil
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}
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// Connection returns the client's connection to the API service.
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func (c *Client) Connection() *grpc.ClientConn {
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return c.conn
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}
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// Close closes the connection to the API service. The user should invoke this when
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// the client is no longer required.
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func (c *Client) Close() error {
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return c.conn.Close()
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}
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// SetGoogleClientInfo sets the name and version of the application in
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// the `x-goog-api-client` header passed on each request. Intended for
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// use by Google-written clients.
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func (c *Client) SetGoogleClientInfo(keyval ...string) {
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kv := append([]string{"gl-go", version.Go()}, keyval...)
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kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
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c.xGoogHeader = []string{gax.XGoogHeader(kv...)}
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}
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// PatchTraces sends new traces to Stackdriver Trace or updates existing traces. If the ID
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// of a trace that you send matches that of an existing trace, any fields
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// in the existing trace and its spans are overwritten by the provided values,
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// and any new fields provided are merged with the existing trace data. If the
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// ID does not match, a new trace is created.
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func (c *Client) PatchTraces(ctx context.Context, req *cloudtracepb.PatchTracesRequest, opts ...gax.CallOption) error {
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ctx = insertXGoog(ctx, c.xGoogHeader)
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opts = append(c.CallOptions.PatchTraces[0:len(c.CallOptions.PatchTraces):len(c.CallOptions.PatchTraces)], opts...)
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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_, err = c.client.PatchTraces(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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return err
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}
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// GetTrace gets a single trace by its ID.
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func (c *Client) GetTrace(ctx context.Context, req *cloudtracepb.GetTraceRequest, opts ...gax.CallOption) (*cloudtracepb.Trace, error) {
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ctx = insertXGoog(ctx, c.xGoogHeader)
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opts = append(c.CallOptions.GetTrace[0:len(c.CallOptions.GetTrace):len(c.CallOptions.GetTrace)], opts...)
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var resp *cloudtracepb.Trace
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.GetTrace(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// ListTraces returns of a list of traces that match the specified filter conditions.
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func (c *Client) ListTraces(ctx context.Context, req *cloudtracepb.ListTracesRequest, opts ...gax.CallOption) *TraceIterator {
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ctx = insertXGoog(ctx, c.xGoogHeader)
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opts = append(c.CallOptions.ListTraces[0:len(c.CallOptions.ListTraces):len(c.CallOptions.ListTraces)], opts...)
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it := &TraceIterator{}
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it.InternalFetch = func(pageSize int, pageToken string) ([]*cloudtracepb.Trace, string, error) {
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var resp *cloudtracepb.ListTracesResponse
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req.PageToken = pageToken
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if pageSize > math.MaxInt32 {
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req.PageSize = math.MaxInt32
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} else {
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req.PageSize = int32(pageSize)
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}
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.client.ListTraces(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, "", err
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}
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return resp.Traces, resp.NextPageToken, nil
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}
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fetch := func(pageSize int, pageToken string) (string, error) {
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items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
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if err != nil {
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return "", err
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}
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it.items = append(it.items, items...)
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return nextPageToken, nil
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}
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it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
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return it
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}
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// TraceIterator manages a stream of *cloudtracepb.Trace.
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type TraceIterator struct {
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items []*cloudtracepb.Trace
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pageInfo *iterator.PageInfo
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nextFunc func() error
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// InternalFetch is for use by the Google Cloud Libraries only.
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// It is not part of the stable interface of this package.
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//
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// InternalFetch returns results from a single call to the underlying RPC.
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// The number of results is no greater than pageSize.
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// If there are no more results, nextPageToken is empty and err is nil.
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InternalFetch func(pageSize int, pageToken string) (results []*cloudtracepb.Trace, nextPageToken string, err error)
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}
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// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
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func (it *TraceIterator) PageInfo() *iterator.PageInfo {
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return it.pageInfo
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}
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// Next returns the next result. Its second return value is iterator.Done if there are no more
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// results. Once Next returns Done, all subsequent calls will return Done.
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func (it *TraceIterator) Next() (*cloudtracepb.Trace, error) {
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var item *cloudtracepb.Trace
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if err := it.nextFunc(); err != nil {
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return item, err
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}
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item = it.items[0]
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it.items = it.items[1:]
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return item, nil
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}
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func (it *TraceIterator) bufLen() int {
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return len(it.items)
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}
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func (it *TraceIterator) takeBuf() interface{} {
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b := it.items
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it.items = nil
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return b
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}
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