File: batch.go

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golang-github-lunny-nodb 0.0~git20160621.0.fc1ef06-4
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package goleveldb

import (
	"github.com/syndtr/goleveldb/leveldb"
)

type WriteBatch struct {
	db     *DB
	wbatch *leveldb.Batch
}

func (w *WriteBatch) Put(key, value []byte) {
	w.wbatch.Put(key, value)
}

func (w *WriteBatch) Delete(key []byte) {
	w.wbatch.Delete(key)
}

func (w *WriteBatch) Commit() error {
	return w.db.db.Write(w.wbatch, nil)
}

func (w *WriteBatch) Rollback() error {
	w.wbatch.Reset()
	return nil
}