// Template method pattern
public virtual void Subscribe(IStateEventSubscriber subscriber, IStateEventNotifier notifier)
{
if (subscriber == null)
throw new ArgumentNullException("subscriber");
if (notifier == null)
throw new ArgumentNullException("notifier");
if (_subscriptions.Count(s => s.Notifier == notifier) > 0)
throw new ArgumentException("Notifier has already been subscribed", "notifier");
_subscriptions.Add(new StateEventSubscription(subscriber, notifier));
notifier.Changed += new StateEventHandler(NotifierChanged);
}
public virtual void Subscribe(IStateEventSubscriber subscriber, IStateEventNotifier notifier) // Template method pattern
{
if (subscriber == null)
{
throw new ArgumentNullException("subscriber");
}
if (notifier == null)
{
throw new ArgumentNullException("notifier");
}
if (_subscriptions.Count(s => s.Notifier == notifier) > 0)
{
throw new ArgumentException("Notifier has already been subscribed", "notifier");
}
_subscriptions.Add(new StateEventSubscription(subscriber, notifier));
notifier.Changed += new StateEventHandler(NotifierChanged);
}
public StateEventSubscription(IStateEventSubscriber subscriber, IStateEventNotifier notifier)
{
_subscriber = subscriber;
_notifier = notifier;
}
public StateEventSubscription(IStateEventSubscriber subscriber, IStateEventNotifier notifier)
{
_subscriber = subscriber;
_notifier = notifier;
}
