Method Update

watcher.go:153–161

Update calls the update callback of other instances to synchronize their policy. It is usually called after changing the policy in DB, like Enforcer.SavePolicy(), Enforcer.AddPolicy(), Enforcer.RemovePolicy(), etc.

()

// It is usually called after changing the policy in DB, like Enforcer.SavePolicy(),
// Enforcer.AddPolicy(), Enforcer.RemovePolicy(), etc.
func (w *Watcher) Update() error {
	w.lock.Lock()
	defer w.lock.Unlock()
	resp, err := w.client.Put(context.TODO(), w.keyName, "")
	if err == nil {
		w.lastSentRev = resp.Header.GetRevision()
	}
	return err
}

// startWatch is a goroutine that watches the policy change.
func (w *Watcher) startWatch() error {