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/
measure_int64.go
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/
measure_int64.go
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// 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
}
}