action

type Action interface {
	Execute(stage *collector.Stage) error
}

type Factory interface {
	Action(syncAction *meta.SyncAction, data *SyncMatchData) Action
	CheckExpr(when string) error
}

type SyncMatchData struct {
	JobID            string
	FileNeedSyncs    meta.FileNeedSyncs // only available in file sync stage
	FileSyncGroup    meta.FileSyncGroup
	Units            []meta.SyncUnit
	DeleteUnits      []meta.SyncUnit
	SyncedFileCounts []int
	Err              error // only available in errors stage
}