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package driver
type BatchPuter interface {
BatchPut([]Write) error
}
type Write struct {
Key []byte
Value []byte
}
type WriteBatch struct {
batch BatchPuter
wb []Write
}
func (w *WriteBatch) Put(key, value []byte) {
if value == nil {
value = []byte{}
}
w.wb = append(w.wb, Write{key, value})
}
func (w *WriteBatch) Delete(key []byte) {
w.wb = append(w.wb, Write{key, nil})
}
func (w *WriteBatch) Commit() error {
return w.batch.BatchPut(w.wb)
}
func (w *WriteBatch) Rollback() error {
w.wb = w.wb[0:0]
return nil
}
func NewWriteBatch(puter BatchPuter) IWriteBatch {
return &WriteBatch{puter, []Write{}}
}
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