mirror of
https://github.com/featurebasedb/featurebase.git
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89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
// Copyright 2017 Pilosa Corp.
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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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// package ctl contains all pilosa subcommands other than 'server'. These are
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// generally administration, testing, and debugging tools.
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package client
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import (
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opentracing "github.com/opentracing/opentracing-go"
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"github.com/opentracing/opentracing-go/log"
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)
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type NoopTracer struct{}
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type NoopSpan struct{}
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func (s NoopSpan) Finish() {
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// pass
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}
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func (s NoopSpan) FinishWithOptions(opts opentracing.FinishOptions) {
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// pass
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}
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func (s NoopSpan) Context() opentracing.SpanContext {
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return nil
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}
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func (s NoopSpan) SetOperationName(operationName string) opentracing.Span {
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return s
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}
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func (s NoopSpan) SetTag(key string, value interface{}) opentracing.Span {
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return s
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}
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func (s NoopSpan) LogFields(fields ...log.Field) {
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// pass
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}
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func (s NoopSpan) LogKV(alternatingKeyValues ...interface{}) {
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// pass
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}
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func (s NoopSpan) SetBaggageItem(restrictedKey, value string) opentracing.Span {
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return s
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}
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func (s NoopSpan) BaggageItem(restrictedKey string) string {
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return ""
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}
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func (s NoopSpan) Tracer() opentracing.Tracer {
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return nil
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}
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func (s NoopSpan) LogEvent(event string) {
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// pass
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}
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func (s NoopSpan) LogEventWithPayload(event string, payload interface{}) {
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// pass
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}
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func (s NoopSpan) Log(data opentracing.LogData) {
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// pass
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}
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func (t NoopTracer) StartSpan(operationName string, opts ...opentracing.StartSpanOption) opentracing.Span {
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return NoopSpan{}
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}
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func (t NoopTracer) Inject(sm opentracing.SpanContext, format interface{}, carrier interface{}) error {
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return nil
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}
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func (t NoopTracer) Extract(format interface{}, carrier interface{}) (opentracing.SpanContext, error) {
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return nil, nil
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}
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