/
util.go
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/
util.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package opentracing // import "go.opentelemetry.io/otel/bridge/opentracing"
import (
"context"
"go.opentelemetry.io/otel/trace"
)
// NewTracerPair is a utility function that creates a BridgeTracer and a
// WrapperTracerProvider. WrapperTracerProvider creates a single instance of
// WrapperTracer. The BridgeTracer forwards the calls to the WrapperTracer
// that wraps the passed tracer. BridgeTracer and WrapperTracerProvider are
// returned to the caller and the caller is expected to register BridgeTracer
// with opentracing and WrapperTracerProvider with opentelemetry.
func NewTracerPair(tracer trace.Tracer) (*BridgeTracer, *WrapperTracerProvider) {
bridgeTracer := NewBridgeTracer()
wrapperProvider := NewWrappedTracerProvider(bridgeTracer, tracer)
bridgeTracer.SetOpenTelemetryTracer(wrapperProvider.Tracer(""))
return bridgeTracer, wrapperProvider
}
// NewTracerPairWithContext is a convenience function. It calls NewTracerPair
// and returns a hooked version of ctx with the created BridgeTracer along
// with the BridgeTracer and WrapperTracerProvider.
func NewTracerPairWithContext(ctx context.Context, tracer trace.Tracer) (context.Context, *BridgeTracer, *WrapperTracerProvider) {
bridgeTracer, wrapperProvider := NewTracerPair(tracer)
ctx = bridgeTracer.NewHookedContext(ctx)
return ctx, bridgeTracer, wrapperProvider
}