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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-12 10:04:29 +02:00
opentelemetry-go/bridge/opentracing/util.go
Tyler Yahn a485d0ec64
Update License header for all source files (#586)
* Update License header for all source files

- Add Apache 2.0 header to source files that did not have one.
- Update all existing headers dated to 2019 to be 2020
- Remove comma from License header to comply with the Apache 2.0
  guidelines.

* Update Copyright notice

Use the standard Copyright notices outlined by the
[CNCF](https://github.com/cncf/foundation/blob/master/copyright-notices.md#copyright-notices)
2020-03-23 22:41:10 -07:00

41 lines
1.6 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 opentracing
import (
"context"
oteltrace "go.opentelemetry.io/otel/api/trace"
)
// NewTracerPair is a utility function that creates a BridgeTracer
// and a WrapperProvider. WrapperProvider creates a single instance of
// WrapperTracer. The BridgeTracer forwards the calls to the WrapperTracer
// that wraps the passed tracer. BridgeTracer and WrapperProvider are returned to
// the caller and the caller is expected to register BridgeTracer with opentracing and
// WrapperProvider with opentelemetry.
func NewTracerPair(tracer oteltrace.Tracer) (*BridgeTracer, *WrapperProvider) {
bridgeTracer := NewBridgeTracer()
wrapperProvider := NewWrappedProvider(bridgeTracer, tracer)
bridgeTracer.SetOpenTelemetryTracer(wrapperProvider.Tracer(""))
return bridgeTracer, wrapperProvider
}
func NewTracerPairWithContext(ctx context.Context, tracer oteltrace.Tracer) (context.Context, *BridgeTracer, *WrapperProvider) {
bridgeTracer, wrapperProvider := NewTracerPair(tracer)
ctx = bridgeTracer.NewHookedContext(ctx)
return ctx, bridgeTracer, wrapperProvider
}