prometheus/storage/raw/state.go

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// Copyright 2013 Prometheus Team
// 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 raw
import (
"github.com/prometheus/prometheus/utility"
)
// DatabaseState contains some fundamental attributes of a database.
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type DatabaseState struct {
Name string
Size utility.ByteSize
Location string
Purpose string
Supplemental map[string]string
}
// DatabaseStates is a sortable slice of DatabaseState pointers. It implements
// sort.Interface.
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type DatabaseStates []*DatabaseState
// Len implements sort.Interface.
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func (s DatabaseStates) Len() int {
return len(s)
}
// Less implements sort.Interface. The primary sorting criterion is the Name,
// the secondary criterion is the Size.
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func (s DatabaseStates) Less(i, j int) bool {
l := s[i]
r := s[j]
if l.Name > r.Name {
return false
}
if l.Name < r.Name {
return true
}
return l.Size < r.Size
}
// Swap implements sort.Interface.
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func (s DatabaseStates) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}