60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
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/*
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* Copyright 2018 Expedia Group.
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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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*
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*/
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package haystack
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import (
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"github.com/opentracing/opentracing-go"
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)
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// TracerOption is a function that sets some option on the tracer
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type TracerOption func(tracer *Tracer)
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/*TracerOptions a list of tracer options*/
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type TracerOptions struct{}
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/*TracerOptionsFactory factory to create multiple tracer options*/
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var TracerOptionsFactory TracerOptions
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/*Propagator registers a new Propagator*/
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func (t TracerOptions) Propagator(format interface{}, propagator Propagator) TracerOption {
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return func(tracer *Tracer) {
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tracer.propagators[format] = propagator
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}
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}
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/*Tag adds a common tag in every span*/
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func (t TracerOptions) Tag(key string, value interface{}) TracerOption {
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return func(tracer *Tracer) {
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tracer.commonTags = append(tracer.commonTags, opentracing.Tag{Key: key, Value: value})
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}
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}
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/*Logger set the logger type*/
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func (t TracerOptions) Logger(logger Logger) TracerOption {
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return func(tracer *Tracer) {
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tracer.logger = logger
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}
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}
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/*UseDualSpanMode sets the tracer in dual span mode*/
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func (t TracerOptions) UseDualSpanMode() TracerOption {
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return func(tracer *Tracer) {
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tracer.useDualSpanMode = true
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}
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}
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