wal

Documentation

Index

• Constants
• type Element
• type Iterator
• type Sequence
• type WAL
  • func NewMemWAL() WAL

Constants

const (
	NilSequence     = Sequence(0)
	InitialSequence = Sequence(1)
)

Types

type Element

type Element struct {
	Seq    Sequence
	Msg    *pb.PutRequest
	DoneCh chan<- error
}

type Iterator

type Iterator interface {
	Next() *Element
}

type Sequence

type Sequence uint64

type WAL

type WAL interface {
	Append(msg *pb.PutRequest, doneCh chan<- error) (Sequence, error)
	AppendWith(seq Sequence, msg *pb.PutRequest) error
	Iterate(fromSeq, toSeq Sequence) Iterator
	Latest() *Element
}

func NewMemWAL

func NewMemWAL() WAL