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// Copyright 2018, 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 metricdata
import (
"time"
"go.opencensus.io/resource"
)
// Descriptor holds metadata about a metric.
type Descriptor struct {
Name string // full name of the metric
Description string // human-readable description
Unit Unit // units for the measure
Type Type // type of measure
LabelKeys []LabelKey // label keys
}
// Metric represents a quantity measured against a resource with different
// label value combinations.
type Metric struct {
Descriptor Descriptor // metric descriptor
Resource *resource.Resource // resource against which this was measured
TimeSeries []*TimeSeries // one time series for each combination of label values
}
// TimeSeries is a sequence of points associated with a combination of label
// values.
type TimeSeries struct {
LabelValues []LabelValue // label values, same order as keys in the metric descriptor
Points []Point // points sequence
StartTime time.Time // time we started recording this time series
}
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