ledisdb/rpl/store.go

37 lines
632 B
Go

package rpl
import (
"errors"
)
const (
InvalidLogID uint64 = 0
)
var (
ErrLogNotFound = errors.New("log not found")
ErrStoreLogID = errors.New("log id is less")
ErrNoBehindLog = errors.New("no behind commit log")
ErrCommitIDBehind = errors.New("commit id is behind last log id")
)
type LogStore interface {
GetLog(id uint64, log *Log) error
FirstID() (uint64, error)
LastID() (uint64, error)
// if log id is less than current last id, return error
StoreLog(log *Log) error
// Delete logs before n seconds
PurgeExpired(n int64) error
Sync() error
// Clear all logs
Clear() error
Close() error
}