43 lines
1.6 KiB
Go
43 lines
1.6 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 // import "go.opentelemetry.io/otel/metric/global"
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import (
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"go.opentelemetry.io/otel/metric"
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"go.opentelemetry.io/otel/metric/internal/global"
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)
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// Meter returns a Meter from the global MeterProvider. The
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// instrumentationName must be the name of the library providing
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// instrumentation. This name may be the same as the instrumented code only if
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// that code provides built-in instrumentation. If the instrumentationName is
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// empty, then a implementation defined default name will be used instead.
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//
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// This is short for MeterProvider().Meter(name).
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func Meter(instrumentationName string, opts ...metric.MeterOption) metric.Meter {
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return MeterProvider().Meter(instrumentationName, opts...)
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}
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// MeterProvider returns the registered global meter provider.
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// If none is registered then a No-op MeterProvider is returned.
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func MeterProvider() metric.MeterProvider {
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return global.MeterProvider()
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}
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// SetMeterProvider registers `mp` as the global meter provider.
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func SetMeterProvider(mp metric.MeterProvider) {
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global.SetMeterProvider(mp)
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}
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