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-rw-r--r--vendor/go.opentelemetry.io/otel/trace.go44
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/go.opentelemetry.io/otel/trace.go b/vendor/go.opentelemetry.io/otel/trace.go
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+// 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 otel // import "go.opentelemetry.io/otel"
+
+import (
+ "go.opentelemetry.io/otel/internal/global"
+ "go.opentelemetry.io/otel/trace"
+)
+
+// Tracer creates a named tracer that implements Tracer interface.
+// If the name is an empty string then provider uses default name.
+//
+// This is short for TracerProvider().Tracer(name)
+func Tracer(name string) trace.Tracer {
+ return GetTracerProvider().Tracer(name)
+}
+
+// GetTracerProvider returns the registered global trace provider.
+// If none is registered then an instance of NoopTracerProvider is returned.
+//
+// Use the trace provider to create a named tracer. E.g.
+// tracer := global.GetTracerProvider().Tracer("example.com/foo")
+// or
+// tracer := global.Tracer("example.com/foo")
+func GetTracerProvider() trace.TracerProvider {
+ return global.TracerProvider()
+}
+
+// SetTracerProvider registers `tp` as the global trace provider.
+func SetTracerProvider(tp trace.TracerProvider) {
+ global.SetTracerProvider(tp)
+}