Method decode

db/string.go:274–296

decode if obj has been existed , stop parse

(b []byte)

// decode if obj has been existed , stop parse
func (s *String) decode(b []byte) error {
	obj, err := DecodeObject(b)
	if err != nil {
		return err
	}

	if IsExpired(obj, Now()) {
		return ErrKeyNotFound
	}

	if obj.Type != ObjectString {
		return ErrTypeMismatch
	}

	if obj.Encoding != ObjectEncodingRaw {
		return ErrTypeMismatch
	}
	s.Meta.Object = *obj
	if len(b) >= ObjectEncodingLength {
		s.Meta.Value = b[ObjectEncodingLength:]
	}
	return nil
}