prometheus/storage/metric/labelpair.go

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// Copyright 2013 Prometheus Team
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// 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 metric
import (
clientmodel "github.com/prometheus/client_golang/model"
)
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// LabelPair pairs a name with a value.
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type LabelPair struct {
Name clientmodel.LabelName
Value clientmodel.LabelValue
}
// Equal returns true iff both the Name and the Value of this LabelPair and o
// are equal.
func (l *LabelPair) Equal(o *LabelPair) bool {
switch {
case l.Name != o.Name:
return false
case l.Value != o.Value:
return false
default:
return true
}
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}
// LabelPairs is a sortable slice of LabelPair pointers. It implements
// sort.Interface.
type LabelPairs []*LabelPair
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func (l LabelPairs) Len() int {
return len(l)
}
func (l LabelPairs) Less(i, j int) bool {
switch {
case l[i].Name > l[j].Name:
return false
case l[i].Name < l[j].Name:
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return true
case l[i].Value > l[j].Value:
return false
case l[i].Value < l[j].Value:
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return true
default:
return false
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}
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}
func (l LabelPairs) Swap(i, j int) {
l[i], l[j] = l[j], l[i]
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}