public override object HandleMethodCall(IMethodCallMessage mcm)
{
if (mcm.IsSubscribeToEvent())
{
var eventName = mcm.GetEventName();
using (_locker.Lock())
{
var delegates = _events[eventName];
if (delegates.Count == 0)
{
_messagePublisher.Publish(new SubscribeToEventCommand {
EventName = eventName
});
}
delegates.Add(( Delegate )mcm.Args[0]);
}
}
else if (mcm.IsUnsubscribeFromEvent())
{
var eventName = mcm.GetEventName();
using (_locker.Lock())
{
var delegates = _events[eventName];
if (delegates.Remove(( Delegate )mcm.Args[0]) && delegates.Count == 0)
{
_messagePublisher.Publish(new UnsubscribeFromEventCommand {
EventName = eventName
});
}
}
}
else
{
return(Successor?.HandleMethodCall(mcm));
}
return(null);
}
public static bool IsEvent(this IMethodCallMessage msm)
{
return(msm.IsSubscribeToEvent() || msm.IsUnsubscribeFromEvent());
}
