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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
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package leveldb
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import (
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"github.com/jmhodges/levigo"
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"github.com/prometheus/prometheus/coding"
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)
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type batch struct {
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batch *levigo.WriteBatch
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}
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func NewBatch() batch {
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return batch{
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batch: levigo.NewWriteBatch(),
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}
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}
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func (b batch) Drop(key coding.Encoder) {
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keyEncoded, err := key.Encode()
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if err != nil {
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panic(err)
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}
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b.batch.Delete(keyEncoded)
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}
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func (b batch) Put(key, value coding.Encoder) {
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keyEncoded, err := key.Encode()
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if err != nil {
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panic(err)
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}
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valueEncoded, err := value.Encode()
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if err != nil {
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panic(err)
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}
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b.batch.Put(keyEncoded, valueEncoded)
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}
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func (b batch) Close() (err error) {
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b.batch.Close()
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return
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}
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