public int?SetupLoadNotification(string key, CacheNotificationAction action, Action <LoadingStatus, int, string> callback)
{
foreach (var cacheDataController in Cache.Where(cacheDataController => cacheDataController.InternalData.Key == key))
{
return(SetupLoadNotification(action, callback, cacheDataController));
}
return(null);
}
public void SetupInvalidateNotification(string key, CacheNotificationAction action, Action callback)
{
foreach (var cacheDataController in Cache.Where(cacheDataController => cacheDataController.InternalData.Key == key))
{
switch (action)
{
case CacheNotificationAction.Add:
cacheDataController.InvalidateNotificationEvent += callback;
break;
case CacheNotificationAction.Remove:
break;
default:
throw new ArgumentOutOfRangeException("action");
}
}
}
/// <summary>
/// Subscribe/Unsubscribe to the LoadNotification by dataKey
/// </summary>
/// <param name="action">Specifies the action to be taken</param>
/// <param name="callback"></param>
/// <param name="cacheDataController"></param>
/// <returns>Returns a unique Loading Key that will be use to identify when a IDataCache is being loaded</returns>
private int?SetupLoadNotification(CacheNotificationAction action, Action <LoadingStatus, int, string> callback,
CacheDataController cacheDataController)
{
switch (action)
{
case CacheNotificationAction.Add:
cacheDataController.LoadingKey = Generator.GetNextLoadingKey;
cacheDataController.LoadStatusNotificationEvent += callback;
return(cacheDataController.LoadingKey);
case CacheNotificationAction.Remove:
// ReSharper disable DelegateSubtraction
cacheDataController.LoadStatusNotificationEvent -= callback;
// ReSharper restore DelegateSubtraction
return(null);
default:
throw new ArgumentOutOfRangeException("action");
}
}
