surrealpatch/kvs/boltdb/ds.go
2016-12-08 22:03:42 +00:00

47 lines
1 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// 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 boltdb
import (
"github.com/boltdb/bolt"
"github.com/abcum/surreal/kvs"
)
type DS struct {
db *bolt.DB
ck []byte
}
func (ds *DS) Txn(writable bool) (txn kvs.TX, err error) {
tx, err := ds.db.Begin(writable)
if err != nil {
err = &kvs.DSError{Err: err}
if tx != nil {
tx.Rollback()
}
return
}
return &TX{ds: ds, tx: tx, bu: tx.Bucket(bucket)}, err
}
func (ds *DS) Close() (err error) {
return ds.db.Close()
}