64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
|
// Copyright 2017, OpenCensus 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 stats
|
||
|
|
||
|
// Int64Measure is a measure of type int64.
|
||
|
type Int64Measure struct {
|
||
|
name string
|
||
|
unit string
|
||
|
description string
|
||
|
}
|
||
|
|
||
|
// Name returns the name of the measure.
|
||
|
func (m *Int64Measure) Name() string {
|
||
|
return m.name
|
||
|
}
|
||
|
|
||
|
// Description returns the description of the measure.
|
||
|
func (m *Int64Measure) Description() string {
|
||
|
return m.description
|
||
|
}
|
||
|
|
||
|
// Unit returns the unit of the measure.
|
||
|
func (m *Int64Measure) Unit() string {
|
||
|
return m.unit
|
||
|
}
|
||
|
|
||
|
// M creates a new int64 measurement.
|
||
|
// Use Record to record measurements.
|
||
|
func (m *Int64Measure) M(v int64) Measurement {
|
||
|
return Measurement{Measure: m, Value: v}
|
||
|
}
|
||
|
|
||
|
// Int64 creates a new measure of type Int64Measure. It returns an
|
||
|
// error if a measure with the same name already exists.
|
||
|
func Int64(name, description, unit string) (*Int64Measure, error) {
|
||
|
if err := checkName(name); err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
m := &Int64Measure{
|
||
|
name: name,
|
||
|
description: description,
|
||
|
unit: unit,
|
||
|
}
|
||
|
_, err := register(m)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
} else {
|
||
|
return m, err
|
||
|
}
|
||
|
}
|