protected virtual void NotifierChanged(object sender, StateEventArgs args) // Template method pattern
{
if (args != null && !String.IsNullOrEmpty(args.Message))
{
// Locate subscription
var subscription = _subscriptions.FirstOrDefault(s => s.Notifier == (IStateEventNotifier)sender);
if (subscription != null)
{
EventOccured(subscription, args);
}
}
}
// Template method pattern
protected virtual void NotifierChanged(object sender, StateEventArgs args)
{
if (args != null && !String.IsNullOrEmpty(args.Message))
{
// Locate subscription
var subscription = _subscriptions.FirstOrDefault(s => s.Notifier == (IStateEventNotifier)sender);
if (subscription != null)
{
EventOccured(subscription, args);
}
}
}
protected abstract void EventOccured(StateEventSubscription s, StateEventArgs args);
protected override void EventOccured(StateEventSubscription s, StateEventArgs args)
{
Console.WriteLine(String.Format("{0} - {1}", s.Subscriber.GetEventOccured().ToShortTimeString(), args.Message));
}
protected override void EventOccured(StateEventSubscription s, StateEventArgs args)
{
File.AppendAllText(_filePath, String.Format("{0} - {1}",
s.Subscriber.GetEventOccured().ToShortTimeString(), args.Message) + Environment.NewLine);
}
protected virtual void OnChanged(string message)
{
StateEventHandler handler = Changed;
if (handler != null)
{
var args = new StateEventArgs() { Message = message };
handler(this, args);
}
}
protected abstract void EventOccured(StateEventSubscription s, StateEventArgs args);
