recorder

type Recorder interface {
	Save(data uint64)      //Save id to recorder.		保存id到记录器
	Load() (uint64, error) //Load id from recorder.		从记录器加载id
	IsClose() bool         //Get closed status.			获取关闭状态
	Close()                //Turn off the recorder.		关闭记录器
}

type RedisRecorder struct {
	// contains filtered or unexported fields
}