private void RaiseOnEventRemoved(CarNotificationEventData eventData)
{
var handler = OnEventRemoved;
if (handler != null)
{
OnEventRemoved(eventData);
}
}
private async Task Process(CarNotificationEventData eventBusData)
{
var eventName = eventBusData.GetType().Name;
if (HasSubscriptionsForEvent(eventName))
{
var subscriptions = _handler[eventName];
foreach (var subscription in subscriptions)
{
var eventType = GetEventTypeByName(eventName);
var handler = _service.GetService(subscription);
var concreteType = typeof(IEventHandler <>).MakeGenericType(eventType);
await(Task) concreteType.GetMethod("EventHandle").Invoke(handler, new object[] { eventBusData });
}
}
}
private void DoRemoveHandler(CarNotificationEventData eventData, Type subsToRemove)
{
if (subsToRemove != null)
{
var eventName = eventData.GetType().Name;
_handler[eventName].Remove(subsToRemove);
if (!_handler[eventName].Any())
{
_handler.Remove(eventName);
var eventType = _eventTypes.SingleOrDefault(e => e == eventName.GetType());
if (eventType != null)
{
_eventTypes.Remove(eventType);
}
RaiseOnEventRemoved(eventData);
}
}
}
public static void Main(string[] args)
{
#region Message And CarDemo
// SendMessage mailSend = new SendMessage (new Program ().MailSendMessage);
// Console.WriteLine (mailSend ("Robert", "Mike"));
// Action delActions = OneVoke;
// delActions += TwoVoke;
// try {
// delActions.Invoke ();
// } catch (Exception ex) {
// Console.WriteLine ("I Caught you,", ex);
// }
// Action delActions = OneVoke;
// delActions += TwoVoke;
// Delegate[] delegates = delActions.GetInvocationList ();
// foreach (Action item in delegates) {
// try {
// item.Invoke ();
// } catch (Exception ex) {
// Console.WriteLine ($"I Caught you,{ex}");
// }
// }
// MyButton myButton = new MyButton ();
// myButton.OnClick += btn_OnClick;
// myButton.OnClick += btn_DoubleClick;
// myButton.Click ();
#endregion
#region CarDemo
// CarManager car = new CarManager ();
// Driver driver = new Driver (car) { Name = "lao si ji" };
// Passenger passenger = new Passenger (car) { Name = "cheng ke xiaobai" };
// CarNotificationEventData carNotificationEvent = new CarNotificationEventData (driver.Name, passenger.Name);
// car.OnCarToRun (driver, passenger);
//纯委托版本
// CarNotificationEventHandler carHandler = null;
// carHandler += driver.DriverHandle;
// carHandler += passenger.PassengerHandle;
// carHandler.Invoke (carNotificationEvent);
//避免因为委托的某个回调方法调用失败，阻塞
// Delegate[] arrayDelegate = carHandler.GetInvocationList ();
// foreach (CarNotificationEventHandler item in arrayDelegate) {
// item.Invoke (carNotificationEvent);
// }
// Console.WriteLine (carHandler.Target + "\n" + carHandler.Method + "\n" + carHandler.GetInvocationList ());
// carHandler.Invoke (carNotificationEvent);
//司机和乘客分别订阅发车通知事件
// car.CarNumberNotification += driver.DriveCar;
// car.CarNumberNotification += passenger.BoardCar;
// car.RunCar ();
#endregion
#region FishDemo
// FishingMan fm = new FishingMan { Name = "Robert" };
// #region general event and delegte demo
// // FishingPole fp = new FishingPole ();
// // fm.FishingPole = fp;
// // // fp.FishingEvent += fm.Update;
// // // fp.FishingEvent += new FishingEventHandler ().EventHandle;
// // while (fm.Count < 5) {
// // fm.Fishing ();
// // System.Console.WriteLine ("------");
// // }
// #endregion
// FishingEventData fishingEventData = new FishingEventData { FishingMan = fm };
// EventBusManager eventBusManager = EventBusManager.Default;
// eventBusManager.Trigger<FishingEventData> (fishingEventData);
#endregion
#region EventBusRegister Demo
var serviceProvider = new ServiceCollection()
.AddSingleton <IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager> ()
.AddTransient <DriverHandler> ();
var eventBus = new InMemoryEventBusSubscriptionsManager(serviceProvider);
RegisterEventBus(eventBus);
CarNotificationEventData carNotificationEventData = new CarNotificationEventData("Robert 1", "Passenger 1");
eventBus.BeiginProcess(carNotificationEventData);
#endregion
}
public async void BeiginProcess(CarNotificationEventData eventData)
{
await Process(eventData);
}
