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bleve/index/store/moss/batch.go
2016-02-20 14:25:42 -08:00

77 lines
1.6 KiB
Go

// Copyright (c) 2016 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 moss
import (
"github.com/couchbase/moss"
"github.com/blevesearch/bleve/index/store"
)
type Batch struct {
store *Store
merge *store.EmulatedMerge
batch moss.Batch
alloced bool
}
func (b *Batch) Set(key, val []byte) {
var err error
if b.alloced {
err = b.batch.AllocSet(key, val)
} else {
err = b.batch.Set(key, val)
}
if err != nil {
b.store.Logf("bleve moss batch.Set err: %v", err)
}
}
func (b *Batch) Delete(key []byte) {
var err error
if b.alloced {
err = b.batch.AllocDel(key)
} else {
err = b.batch.Del(key)
}
if err != nil {
b.store.Logf("bleve moss batch.Delete err: %v", err)
}
}
func (b *Batch) Merge(key, val []byte) {
b.merge.Merge(key, val)
}
func (b *Batch) Reset() {
err := b.Close()
if err != nil {
b.store.Logf("bleve moss batch.Close err: %v", err)
return
}
batch, err := b.store.ms.NewBatch(0, 0)
if err == nil {
b.batch = batch
b.merge = store.NewEmulatedMerge(b.store.mo)
}
}
func (b *Batch) Close() error {
b.merge = nil
err := b.batch.Close()
b.batch = nil
return err
}