Copyright 2018, OpenCensus Authors 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 http://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.

package trace

import (
	

	
)
Config represents the global tracing configuration.
DefaultSampler is the default sampler used when creating new spans.
	DefaultSampler Sampler
IDGenerator is for internal use only.
	IDGenerator internal.IDGenerator
MaxAnnotationEventsPerSpan is max number of annotation events per span
	MaxAnnotationEventsPerSpan int
MaxMessageEventsPerSpan is max number of message events per span
	MaxMessageEventsPerSpan int
MaxAnnotationEventsPerSpan is max number of attributes per span
	MaxAttributesPerSpan int
MaxLinksPerSpan is max number of links per span
	MaxLinksPerSpan int
}

var configWriteMu sync.Mutex
DefaultMaxAnnotationEventsPerSpan is default max number of annotation events per span
	DefaultMaxAnnotationEventsPerSpan = 32
DefaultMaxMessageEventsPerSpan is default max number of message events per span
	DefaultMaxMessageEventsPerSpan = 128
DefaultMaxAttributesPerSpan is default max number of attributes per span
	DefaultMaxAttributesPerSpan = 32
DefaultMaxLinksPerSpan is default max number of links per span
	DefaultMaxLinksPerSpan = 32
)
ApplyConfig applies changes to the global tracing configuration. Fields not provided in the given config are going to be preserved.
func ( Config) {
	configWriteMu.Lock()
	defer configWriteMu.Unlock()
	 := *config.Load().(*Config)
	if .DefaultSampler != nil {
		.DefaultSampler = .DefaultSampler
	}
	if .IDGenerator != nil {
		.IDGenerator = .IDGenerator
	}
	if .MaxAnnotationEventsPerSpan > 0 {
		.MaxAnnotationEventsPerSpan = .MaxAnnotationEventsPerSpan
	}
	if .MaxMessageEventsPerSpan > 0 {
		.MaxMessageEventsPerSpan = .MaxMessageEventsPerSpan
	}
	if .MaxAttributesPerSpan > 0 {
		.MaxAttributesPerSpan = .MaxAttributesPerSpan
	}
	if .MaxLinksPerSpan > 0 {
		.MaxLinksPerSpan = .MaxLinksPerSpan
	}
	config.Store(&)