mirror of https://github.com/ledisdb/ledisdb.git
38 lines
576 B
Go
38 lines
576 B
Go
package boltdb
|
|
|
|
import (
|
|
"github.com/boltdb/bolt"
|
|
"github.com/siddontang/ledisdb/store/driver"
|
|
)
|
|
|
|
type Snapshot struct {
|
|
tx *bolt.Tx
|
|
b *bolt.Bucket
|
|
}
|
|
|
|
func newSnapshot(db *DB) (*Snapshot, error) {
|
|
tx, err := db.db.Begin(false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Snapshot{
|
|
tx: tx,
|
|
b: tx.Bucket(bucketName)}, nil
|
|
}
|
|
|
|
func (s *Snapshot) Get(key []byte) ([]byte, error) {
|
|
return s.b.Get(key), nil
|
|
}
|
|
|
|
func (s *Snapshot) NewIterator() driver.IIterator {
|
|
return &Iterator{
|
|
tx: nil,
|
|
it: s.b.Cursor(),
|
|
}
|
|
}
|
|
|
|
func (s *Snapshot) Close() {
|
|
s.tx.Rollback()
|
|
}
|