writer

type Compactor interface {
	Listen(ch <-chan SegmentFile)
}

type Indexer interface {
	WriteIndex(index int64) error
	IndexLen() int
}

type Log struct {
	Timestamp       time.Time
	Level           LogLevel
	TimestampFormat LogTimeFormat
	Message         []byte
}

type LogLevel string

type LogTimeFormat string

type Memtable struct {
	Logs           bytes.Buffer
	StartTimeStamp int64
	OccupiedSize   int
	TotalSize      int
}

type SegmentFile struct {
	Name           string
	StartTimeStamp int64
	LogDirectory   string
	OccupiedSize   int
	Size           int
	Path           string
	Out            io.ReadWriteCloser
}

type Writer interface {
	// Write reads from r and writes it to out
	Write(r io.Reader) (n int, err error)

	//SetLogLevel sets the given logLevel
	SetLogLevel(logLevel LogLevel)

	//SetLogTimeFormat overrides the logTimeFormat
	// default logTimeFormat is Local Time
	SetLogTimeFormat(logTimeFormat LogTimeFormat)

	Replay() error

	// Close closes flushes the running memtable
	// anc closes the writer
	Close() error
}