mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-16 10:19:23 +02:00
15bfc5bb12
Also fixes example module paths so that they use the vanity URL instead of the github URL. [Closes #184]
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2019, OpenTelemetry 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 (
|
|
"go.opentelemetry.io/otel/api/core"
|
|
)
|
|
|
|
const (
|
|
neverSamplerDescription = "NeverSampleSampler"
|
|
)
|
|
|
|
var neverSampledecision = Decision{Sampled: false}
|
|
|
|
type neverSampleSampler struct{}
|
|
|
|
// ShouldSample implements Sampler interface.
|
|
// It always returns a Decision with Sampled value set to false
|
|
// and with Attributes set to an empty slice.
|
|
func (ns neverSampleSampler) ShouldSample(
|
|
_ core.SpanContext,
|
|
_ bool,
|
|
_ core.TraceID,
|
|
_ uint64,
|
|
_ string,
|
|
) Decision {
|
|
return neverSampledecision
|
|
}
|
|
|
|
// Description implements Sampler interface.
|
|
// It returns the description of this sampler.
|
|
func (ns neverSampleSampler) Description() string {
|
|
return neverSamplerDescription
|
|
}
|
|
|
|
var _ Sampler = neverSampleSampler{}
|
|
|
|
func NeverSampleSampler() Sampler {
|
|
return neverSampleSampler{}
|
|
}
|