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bleve/index/store/goleveldb/batch.go
Marty Schoch 900f1b4a67 major kvstore interface and impl overhaul
clarified the interface contract
2015-09-23 11:25:47 -07:00

55 lines
1.4 KiB
Go

// Copyright (c) 2014 Couchbase, Inc.
// 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 goleveldb
import (
"github.com/blevesearch/bleve/index/store"
"github.com/syndtr/goleveldb/leveldb"
)
type Batch struct {
store *Store
merge *store.EmulatedMerge
batch *leveldb.Batch
}
func (b *Batch) Set(key, val []byte) {
b.batch.Put(key, val)
}
func (b *Batch) Delete(key []byte) {
b.batch.Delete(key)
}
func (b *Batch) Merge(key, val []byte) {
b.merge.Merge(key, val)
}
// func (b *Batch) Execute() error {
// // first process merges
// ops, err := b.merge.ExecuteDeferred(b.w)
// if err != nil {
// return err
// }
// for _, op := range ops {
// b.batch.Put(op.K, op.V)
// }
// wopts := defaultWriteOptions()
// err = b.w.store.db.Write(b.batch, wopts)
// return err
// }
func (b *Batch) Reset() {
b.batch.Reset()
b.merge = store.NewEmulatedMerge(b.store.mo)
}