mirror of
https://github.com/astaxie/beego.git
synced 2024-11-05 23:00:54 +00:00
40 lines
765 B
Go
40 lines
765 B
Go
// +build leveldb
|
|
|
|
package leveldb
|
|
|
|
// #cgo LDFLAGS: -lleveldb
|
|
// #include "leveldb/c.h"
|
|
import "C"
|
|
|
|
import (
|
|
"github.com/siddontang/ledisdb/store/driver"
|
|
)
|
|
|
|
type Snapshot struct {
|
|
db *DB
|
|
snap *C.leveldb_snapshot_t
|
|
readOpts *ReadOptions
|
|
iteratorOpts *ReadOptions
|
|
}
|
|
|
|
func (s *Snapshot) Get(key []byte) ([]byte, error) {
|
|
return s.db.get(s.readOpts, key)
|
|
}
|
|
|
|
func (s *Snapshot) GetSlice(key []byte) (driver.ISlice, error) {
|
|
return s.db.getSlice(s.readOpts, key)
|
|
}
|
|
|
|
func (s *Snapshot) NewIterator() driver.IIterator {
|
|
it := new(Iterator)
|
|
it.it = C.leveldb_create_iterator(s.db.db, s.db.iteratorOpts.Opt)
|
|
return it
|
|
|
|
}
|
|
|
|
func (s *Snapshot) Close() {
|
|
C.leveldb_release_snapshot(s.db.db, s.snap)
|
|
s.iteratorOpts.Close()
|
|
s.readOpts.Close()
|
|
}
|