mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 09:34:05 -08:00
8f6b55be71
- Kill Close in Persistent and document interface. - Extract batching behavior into interface. - Kill IteratorManager, which was used for unknown reasons.
58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// 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 leveldb
|
|
|
|
import (
|
|
"github.com/jmhodges/levigo"
|
|
"github.com/prometheus/prometheus/coding"
|
|
)
|
|
|
|
type batch struct {
|
|
batch *levigo.WriteBatch
|
|
}
|
|
|
|
func NewBatch() batch {
|
|
return batch{
|
|
batch: levigo.NewWriteBatch(),
|
|
}
|
|
}
|
|
|
|
func (b batch) Drop(key coding.Encoder) {
|
|
keyEncoded, err := key.Encode()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
b.batch.Delete(keyEncoded)
|
|
}
|
|
|
|
func (b batch) Put(key, value coding.Encoder) {
|
|
keyEncoded, err := key.Encode()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
valueEncoded, err := value.Encode()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
b.batch.Put(keyEncoded, valueEncoded)
|
|
}
|
|
|
|
func (b batch) Close() (err error) {
|
|
b.batch.Close()
|
|
|
|
return
|
|
}
|