2014-07-30 18:30:38 +02:00
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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2014-08-25 21:18:24 +02:00
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// +build leveldb full
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2014-05-09 22:37:04 +02:00
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package leveldb
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import (
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2015-04-24 23:11:47 +02:00
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"github.com/blevesearch/bleve/index/store"
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2014-05-09 22:37:04 +02:00
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"github.com/jmhodges/levigo"
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)
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2014-09-12 23:21:35 +02:00
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type Batch struct {
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2015-04-24 23:11:47 +02:00
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w *Writer
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merge *store.EmulatedMerge
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batch *levigo.WriteBatch
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2014-09-12 23:21:35 +02:00
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}
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2015-04-24 23:11:47 +02:00
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func (b *Batch) Set(key, val []byte) {
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b.batch.Put(key, val)
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2014-09-12 23:21:35 +02:00
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}
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2015-04-24 23:11:47 +02:00
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func (b *Batch) Delete(key []byte) {
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b.batch.Delete(key)
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2014-05-09 22:37:04 +02:00
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}
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2015-04-24 23:11:47 +02:00
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func (b *Batch) Merge(key, val []byte) {
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b.merge.Merge(key, val)
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2014-09-12 23:21:35 +02:00
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}
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2015-04-24 23:11:47 +02:00
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func (b *Batch) Execute() error {
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// first process merges
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ops, err := b.merge.ExecuteDeferred(b.w)
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if err != nil {
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return err
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2014-09-12 23:21:35 +02:00
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}
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2015-04-24 23:11:47 +02:00
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for _, op := range ops {
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b.batch.Put(op.K, op.V)
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2014-09-12 23:21:35 +02:00
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}
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2015-01-13 03:41:33 +01:00
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wopts := defaultWriteOptions()
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2015-04-24 23:11:47 +02:00
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defer wopts.Close()
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err = b.w.store.db.Write(wopts, b.batch)
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2015-01-13 03:41:33 +01:00
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return err
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2014-05-09 22:37:04 +02:00
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}
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2015-04-24 23:11:47 +02:00
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func (b *Batch) Close() error {
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2014-05-09 22:37:04 +02:00
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return nil
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}
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