mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-22 08:26:19 +01:00
91 lines
2.4 KiB
Go
91 lines
2.4 KiB
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"
|
|
|
|
import "go.opentelemetry.io/otel/metric/unit"
|
|
|
|
// 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()
|
|
}
|
|
|
|
// Option applies options to all instruments.
|
|
type Option interface {
|
|
Float64ObserverOption
|
|
Int64ObserverOption
|
|
Float64Option
|
|
Int64Option
|
|
}
|
|
|
|
type descOpt string
|
|
|
|
func (o descOpt) applyFloat64(c Float64Config) Float64Config {
|
|
c.description = string(o)
|
|
return c
|
|
}
|
|
|
|
func (o descOpt) applyInt64(c Int64Config) Int64Config {
|
|
c.description = string(o)
|
|
return c
|
|
}
|
|
|
|
func (o descOpt) applyFloat64Observer(c Float64ObserverConfig) Float64ObserverConfig {
|
|
c.description = string(o)
|
|
return c
|
|
}
|
|
|
|
func (o descOpt) applyInt64Observer(c Int64ObserverConfig) Int64ObserverConfig {
|
|
c.description = string(o)
|
|
return c
|
|
}
|
|
|
|
// WithDescription sets the instrument description.
|
|
func WithDescription(desc string) Option { return descOpt(desc) }
|
|
|
|
type unitOpt unit.Unit
|
|
|
|
func (o unitOpt) applyFloat64(c Float64Config) Float64Config {
|
|
c.unit = unit.Unit(o)
|
|
return c
|
|
}
|
|
|
|
func (o unitOpt) applyInt64(c Int64Config) Int64Config {
|
|
c.unit = unit.Unit(o)
|
|
return c
|
|
}
|
|
|
|
func (o unitOpt) applyFloat64Observer(c Float64ObserverConfig) Float64ObserverConfig {
|
|
c.unit = unit.Unit(o)
|
|
return c
|
|
}
|
|
|
|
func (o unitOpt) applyInt64Observer(c Int64ObserverConfig) Int64ObserverConfig {
|
|
c.unit = unit.Unit(o)
|
|
return c
|
|
}
|
|
|
|
// WithUnit sets the instrument unit.
|
|
func WithUnit(u unit.Unit) Option { return unitOpt(u) }
|