71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
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// 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 sdkapi // import "go.opentelemetry.io/otel/metric/sdkapi"
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import (
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"go.opentelemetry.io/otel/metric/number"
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"go.opentelemetry.io/otel/metric/unit"
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)
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// Descriptor contains all the settings that describe an instrument,
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// including its name, metric kind, number kind, and the configurable
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// options.
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type Descriptor struct {
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name string
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instrumentKind InstrumentKind
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numberKind number.Kind
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description string
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unit unit.Unit
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}
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// NewDescriptor returns a Descriptor with the given contents.
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func NewDescriptor(name string, ikind InstrumentKind, nkind number.Kind, description string, unit unit.Unit) Descriptor {
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return Descriptor{
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name: name,
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instrumentKind: ikind,
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numberKind: nkind,
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description: description,
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unit: unit,
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}
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}
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// Name returns the metric instrument's name.
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func (d Descriptor) Name() string {
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return d.name
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}
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// InstrumentKind returns the specific kind of instrument.
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func (d Descriptor) InstrumentKind() InstrumentKind {
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return d.instrumentKind
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}
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// Description provides a human-readable description of the metric
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// instrument.
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func (d Descriptor) Description() string {
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return d.description
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}
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// Unit describes the units of the metric instrument. Unitless
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// metrics return the empty string.
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func (d Descriptor) Unit() unit.Unit {
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return d.unit
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}
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// NumberKind returns whether this instrument is declared over int64,
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// float64, or uint64 values.
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func (d Descriptor) NumberKind() number.Kind {
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return d.numberKind
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}
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