void OnMessage(string m)
{
var changedItem = JsonMapper.ToObject <TableNotificationMessage <T> >(m);
// notify listeners
if (_notifications.ContainsKey(changedItem.eventType))
{
var itemSnapshot = new ItemSnapshot(changedItem.data, _storage, TableMeta);
var notification = _notifications[changedItem.eventType];
NotifyListeners(StorageNotificationType.ON, notification, itemSnapshot);
NotifyListeners(StorageNotificationType.ONCE, notification, itemSnapshot);
NotifyListeners(StorageNotificationType.DELETE, notification, itemSnapshot);
}
}
void NotifyListeners(StorageNotificationType notificationType, IDictionary <StorageNotificationType, List <Action <ItemSnapshot> > > notification, ItemSnapshot itemSnapshot)
{
if (notification.ContainsKey(notificationType))
{
var events = notification[notificationType];
foreach (var evt in events)
{
evt.Invoke(itemSnapshot);
}
if (notificationType == StorageNotificationType.ONCE)
{
notification[notificationType].Clear();
}
}
}