mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
// Copyright The 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 (
|
|
"sync"
|
|
|
|
export "go.opentelemetry.io/otel/sdk/export/trace"
|
|
)
|
|
|
|
// SpanProcessor is interface to add hooks to start and end method invocations.
|
|
type SpanProcessor interface {
|
|
|
|
// OnStart method is invoked when span is started. It is a synchronous call
|
|
// and hence should not block.
|
|
OnStart(sd *export.SpanData)
|
|
|
|
// OnEnd method is invoked when span is finished. It is a synchronous call
|
|
// and hence should not block.
|
|
OnEnd(sd *export.SpanData)
|
|
|
|
// Shutdown is invoked when SDK shutsdown. Use this call to cleanup any processor
|
|
// data. No calls to OnStart and OnEnd method is invoked after Shutdown call is
|
|
// made. It should not be blocked indefinitely.
|
|
Shutdown()
|
|
}
|
|
|
|
type spanProcessorMap map[SpanProcessor]*sync.Once
|