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opentelemetry-go/metric/instrument/instrument.go
Aaron Clawson 18f4cb85ec
[API EPIC 4/4] Fix tests and examples (#2587)
* Empty All of the metrics dir

* Add instrument api with documentation

* Add a NoOp implementation.

* Updated to the new config standard

* Address PR comments

* This change moves components to sdk/metrics

The Moved components are:
- metric/metrictest
- metric/number
- metric/internal/registry
- metric/sdkapi

* The SDK changes necessary to satasify the new api

* This fixes the remaing tests.

* Update changelog

* refactor the Noop meter and instruments into one package.

* Renamed pkg.Instruments to pkg.InstrumentProvider

Co-authored-by: Aaron Clawson <MadVikingGod@users.noreply.github.com>
2022-03-02 09:50:29 -06:00

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Go

// 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 instrument // import "go.opentelemetry.io/otel/metric/instrument"
// Asynchronous instruments are instruments that are updated within a Callback.
// If an instrument is observed outside of it's callback it should be an error.
//
// This interface is used as a grouping mechanism.
type Asynchronous interface {
asynchronous()
}
// Synchronous instruments are updated in line with application code.
//
// This interface is used as a grouping mechanism.
type Synchronous interface {
synchronous()
}