robocar-steering-tflite-edg.../vendor/go.opentelemetry.io/otel/metric/sdkapi/instrumentkind.go

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// 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.
//go:generate stringer -type=InstrumentKind
package sdkapi // import "go.opentelemetry.io/otel/metric/sdkapi"
// InstrumentKind describes the kind of instrument.
type InstrumentKind int8
const (
// HistogramInstrumentKind indicates a Histogram instrument.
HistogramInstrumentKind InstrumentKind = iota
// GaugeObserverInstrumentKind indicates an GaugeObserver instrument.
GaugeObserverInstrumentKind
// CounterInstrumentKind indicates a Counter instrument.
CounterInstrumentKind
// UpDownCounterInstrumentKind indicates a UpDownCounter instrument.
UpDownCounterInstrumentKind
// CounterObserverInstrumentKind indicates a CounterObserver instrument.
CounterObserverInstrumentKind
// UpDownCounterObserverInstrumentKind indicates a UpDownCounterObserver
// instrument.
UpDownCounterObserverInstrumentKind
)
// Synchronous returns whether this is a synchronous kind of instrument.
func (k InstrumentKind) Synchronous() bool {
switch k {
case CounterInstrumentKind, UpDownCounterInstrumentKind, HistogramInstrumentKind:
return true
}
return false
}
// Asynchronous returns whether this is an asynchronous kind of instrument.
func (k InstrumentKind) Asynchronous() bool {
return !k.Synchronous()
}
// Adding returns whether this kind of instrument adds its inputs (as opposed to Grouping).
func (k InstrumentKind) Adding() bool {
switch k {
case CounterInstrumentKind, UpDownCounterInstrumentKind, CounterObserverInstrumentKind, UpDownCounterObserverInstrumentKind:
return true
}
return false
}
// Grouping returns whether this kind of instrument groups its inputs (as opposed to Adding).
func (k InstrumentKind) Grouping() bool {
return !k.Adding()
}
// Monotonic returns whether this kind of instrument exposes a non-decreasing sum.
func (k InstrumentKind) Monotonic() bool {
switch k {
case CounterInstrumentKind, CounterObserverInstrumentKind:
return true
}
return false
}
// PrecomputedSum returns whether this kind of instrument receives precomputed sums.
func (k InstrumentKind) PrecomputedSum() bool {
return k.Adding() && k.Asynchronous()
}