Method Add

tools/cache/undelta_store.go:45–51

Note about thread safety. The Store implementation (cache.cache) uses a lock for all methods. In the functions below, the lock gets released and reacquired betweend the {Add,Delete,etc} and the List. So, the following can happen, resulting in two identical calls to PushFunc. time thread

(obj interface{})

// 5                                         Store.List() -> [a,b]

func (u *UndeltaStore) Add(obj interface{}) error {
	if err := u.Store.Add(obj); err != nil {
		return err
	}
	u.PushFunc(u.Store.List())
	return nil
}

func (u *UndeltaStore) Update(obj interface{}) error {
	if err := u.Store.Update(obj); err != nil {