mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-16 10:19:23 +02:00
9674c81cb7
* drop gauge instrument * Restore the benchmark and stress test for lastvalue aggregator, but remove monotonic last-value support * Rename gauge->lastvalue and remove remaining uses of the word 'gauge' Co-authored-by: Krzesimir Nowak <krzesimir@kinvolk.io>
109 lines
3.6 KiB
Go
109 lines
3.6 KiB
Go
// Copyright 2019, 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 metric
|
|
|
|
import (
|
|
"context"
|
|
|
|
"go.opentelemetry.io/otel/api/core"
|
|
)
|
|
|
|
// LabelSetDelegate is a general-purpose delegating implementation of
|
|
// the LabelSet interface. This is implemented by the default
|
|
// Provider returned by api/global.SetMeterProvider(), and should be
|
|
// tested for by implementations before converting a LabelSet to their
|
|
// private concrete type.
|
|
type LabelSetDelegate interface {
|
|
Delegate() LabelSet
|
|
}
|
|
|
|
// InstrumentImpl is the implementation-level interface Set/Add/Record
|
|
// individual metrics without precomputed labels.
|
|
type InstrumentImpl interface {
|
|
// Bind creates a Bound Instrument to record metrics with
|
|
// precomputed labels.
|
|
Bind(labels LabelSet) BoundInstrumentImpl
|
|
|
|
// RecordOne allows the SDK to observe a single metric event.
|
|
RecordOne(ctx context.Context, number core.Number, labels LabelSet)
|
|
}
|
|
|
|
// BoundInstrumentImpl is the implementation-level interface to Set/Add/Record
|
|
// individual metrics with precomputed labels.
|
|
type BoundInstrumentImpl interface {
|
|
// RecordOne allows the SDK to observe a single metric event.
|
|
RecordOne(ctx context.Context, number core.Number)
|
|
|
|
// Unbind frees the resources associated with this bound instrument. It
|
|
// does not affect the metric this bound instrument was created through.
|
|
Unbind()
|
|
}
|
|
|
|
// WrapInt64CounterInstrument wraps the instrument in the type-safe
|
|
// wrapper as an integral counter.
|
|
//
|
|
// It is mostly intended for SDKs.
|
|
func WrapInt64CounterInstrument(instrument InstrumentImpl) Int64Counter {
|
|
return Int64Counter{commonMetric: newCommonMetric(instrument)}
|
|
}
|
|
|
|
// WrapFloat64CounterInstrument wraps the instrument in the type-safe
|
|
// wrapper as an floating point counter.
|
|
//
|
|
// It is mostly intended for SDKs.
|
|
func WrapFloat64CounterInstrument(instrument InstrumentImpl) Float64Counter {
|
|
return Float64Counter{commonMetric: newCommonMetric(instrument)}
|
|
}
|
|
|
|
// WrapInt64MeasureInstrument wraps the instrument in the type-safe
|
|
// wrapper as an integral measure.
|
|
//
|
|
// It is mostly intended for SDKs.
|
|
func WrapInt64MeasureInstrument(instrument InstrumentImpl) Int64Measure {
|
|
return Int64Measure{commonMetric: newCommonMetric(instrument)}
|
|
}
|
|
|
|
// WrapFloat64MeasureInstrument wraps the instrument in the type-safe
|
|
// wrapper as an floating point measure.
|
|
//
|
|
// It is mostly intended for SDKs.
|
|
func WrapFloat64MeasureInstrument(instrument InstrumentImpl) Float64Measure {
|
|
return Float64Measure{commonMetric: newCommonMetric(instrument)}
|
|
}
|
|
|
|
// ApplyCounterOptions is a helper that applies all the counter
|
|
// options to passed opts.
|
|
func ApplyCounterOptions(opts *Options, cos ...CounterOptionApplier) {
|
|
for _, o := range cos {
|
|
o.ApplyCounterOption(opts)
|
|
}
|
|
}
|
|
|
|
// ApplyMeasureOptions is a helper that applies all the measure
|
|
// options to passed opts.
|
|
func ApplyMeasureOptions(opts *Options, mos ...MeasureOptionApplier) {
|
|
for _, o := range mos {
|
|
o.ApplyMeasureOption(opts)
|
|
}
|
|
}
|
|
|
|
// ApplyObserverOptions is a helper that applies all the observer
|
|
// options to passed opts.
|
|
func ApplyObserverOptions(opts *Options, mos ...ObserverOptionApplier) {
|
|
for _, o := range mos {
|
|
o.ApplyObserverOption(opts)
|
|
}
|
|
}
|