db

type Batch interface {
	Put(key, value []byte)
	Delete(key []byte)
	Commit() error
	Count() uint32
	Repr() []byte
	Reset()
}

type DB interface {
	Iterator(lowerBound, upperBound []byte) Iterator
	Batch(cap int) Batch
	Compact(start, end []byte) error
	Close() error
	CollectMetrics(captureAddr string, id int)
}

type Iterator interface {
	Valid() bool
	First() bool
	Seek([]byte) bool
	Next() bool
	Key() []byte
	Value() []byte
	Error() error
	Release() error
}