internal static void Initialize()
{
EventAttribute.Initialize();
//订阅事件
SubscribeEvents();
EventRestorer.RestoreAsync();
InitTimer();
}
/// <summary>
///
/// </summary>
/// <param name="tip"></param>
private static void CanceleReverse(EventAttribute tip)
{
if (!tip.IsEnabled)
{
return;
}
var reverseName = EventUtil.GetReverse(tip.Name);
EventPortal.Cancel(reverseName);
}
/// <summary>
/// 订阅回逆
/// </summary>
/// <param name="tip"></param>
private static void SubscribeReverse(EventAttribute tip)
{
if (!tip.IsEnabled)
{
return;
}
var reverseName = EventUtil.GetReverse(tip.Name);
EventPortal.Subscribe(reverseName, ReverseEventHandler.Instance);
}
/// <summary>
/// 订阅触发
/// </summary>
/// <param name="tip"></param>
private static void SubscribeRaise(EventAttribute tip)
{
if (!tip.IsEnabled)
{
return;
}
var raiseName = EventUtil.GetRaise(tip.Name);
//作为事件的提供方，我们订阅了触发事件，这样当外界发布了“触发事件”后，这里就可以收到消息并且执行事件
EventPortal.Subscribe(raiseName, RaiseEventHandler.Instance);
}
/// <summary>
/// 禁用事件
/// </summary>
/// <param name="eventNames"></param>
public static void DisabledEvent(params string[] eventNames)
{
var tips = EventAttribute.Tips;
foreach (var eventName in eventNames)
{
var tip = EventAttribute.GetTip(eventName, false);
if (tip != null)
{
tip.IsEnabled = false;
}
}
}
public static EventAttribute GetTip(string eventName, bool throwError)
{
EventAttribute tip = null;
if (_nameTips.TryGetValue(eventName, out tip))
{
return(tip);
}
if (throwError)
{
throw new DomainEventException(string.Format(Strings.NoEvent, eventName));
}
return(null);
}
public static DomainEvent GetLocalEvent(string eventName, DTObject args, bool throwError)
{
//因为领域事件的处理被事件锁锁了，所以这里不存在并发问题，不需要锁cache
var tip = EventAttribute.GetTip(eventName, throwError);
if (tip == null)
{
return(null);
}
if (!tip.IsEnabled)
{
return(null); //如果宿主过滤该事件，那么事件不是本地的
}
var @event = (DomainEvent)tip.EventType.GetConstructor(Array.Empty <Type>()).CreateInstance(null);
if (!args.IsEmpty())
{
@event.SetArgs(args);
}
return(@event);
}
