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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
59 lines
1.5 KiB
Go
59 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 metric
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import (
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"context"
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"go.opentelemetry.io/otel/label"
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)
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type NoopMeterProvider struct{}
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type noopInstrument struct{}
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type noopBoundInstrument struct{}
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type NoopSync struct{ noopInstrument }
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type NoopAsync struct{ noopInstrument }
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var _ MeterProvider = NoopMeterProvider{}
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var _ SyncImpl = NoopSync{}
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var _ BoundSyncImpl = noopBoundInstrument{}
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var _ AsyncImpl = NoopAsync{}
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func (NoopMeterProvider) Meter(_ string, _ ...MeterOption) Meter {
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return Meter{}
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}
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func (noopInstrument) Implementation() interface{} {
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return nil
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}
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func (noopInstrument) Descriptor() Descriptor {
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return Descriptor{}
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}
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func (noopBoundInstrument) RecordOne(context.Context, Number) {
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}
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func (noopBoundInstrument) Unbind() {
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}
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func (NoopSync) Bind([]label.KeyValue) BoundSyncImpl {
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return noopBoundInstrument{}
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}
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func (NoopSync) RecordOne(context.Context, Number, []label.KeyValue) {
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}
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