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