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7d71867644
* Rename *Provider names There is overlap in naming with MeterProviders and TracerProviders. This is means the specification is not implemented and these types can not exist in the same package (#1179). This makes each type and related functions and types explicit. * Add changes to CHANGELOG
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package global
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import (
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"go.opentelemetry.io/otel/api/global/internal"
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"go.opentelemetry.io/otel/api/trace"
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)
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// Tracer creates a named tracer that implements Tracer interface.
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// If the name is an empty string then provider uses default name.
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//
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// This is short for TracerProvider().Tracer(name)
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func Tracer(name string) trace.Tracer {
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return TracerProvider().Tracer(name)
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}
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// TracerProvider returns the registered global trace provider.
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// If none is registered then an instance of NoopTracerProvider is returned.
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//
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// Use the trace provider to create a named tracer. E.g.
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// tracer := global.TracerProvider().Tracer("example.com/foo")
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// or
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// tracer := global.Tracer("example.com/foo")
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func TracerProvider() trace.TracerProvider {
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return internal.TracerProvider()
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}
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// SetTracerProvider registers `tp` as the global trace provider.
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func SetTracerProvider(tp trace.TracerProvider) {
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internal.SetTracerProvider(tp)
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}
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