/// <summary>
/// 取消注册事件
/// </summary>
/// <param name="handlerType"></param>
/// <returns></returns>
public bool UnregisterHandler(Type handlerType)
{
if (handlerType == null || handlerType.IsInterface)
{
return(false);
}
var exportAttributes = handlerType.GetCustomAttributes(typeof(EventExportAttribute), false);
if (exportAttributes == null || exportAttributes.Length == 0)
{
return(false);
}
EventExportAttribute exportAttribute = exportAttributes[0] as EventExportAttribute;
if (exportAttribute == null)
{
return(false);
}
var eventType = exportAttribute.InterfaceType.GetGenericArguments()[0];
if (eventType == null)
{
return(false);
}
if (eventHandlerContainer.ContainsKey(eventType))
{
var deleteEventlist = eventHandlerContainer[eventType].Where(pre => pre.ImplementType == handlerType || pre.InterfaceType == handlerType)
.ToList();
for (int i = 0; i < deleteEventlist.Count; i++)
{
eventHandlerContainer[eventType].Remove(deleteEventlist[i]);
}
return(true);
}
return(false);
}
private Type GetEventType(Type type)
{
Type interfaceType = null;
var eventExportAttributes = type.GetCustomAttributes(typeof(EventExportAttribute), false);
if (eventExportAttributes == null || eventExportAttributes.Length == 0)
{
return(interfaceType);
}
EventExportAttribute eventExportAttribute = eventExportAttributes[0] as EventExportAttribute;
if (eventExportAttribute == null)
{
return(interfaceType);
}
interfaceType = eventExportAttribute.InterfaceType;
return(interfaceType);
}
internal static void RegisterType(Type type, string lifeCycle)
{
var exportAttributes = type.GetCustomAttributes(typeof(EventExportAttribute), false);
if (exportAttributes == null || exportAttributes.Length == 0)
{
return;
}
EventExportAttribute exportAttribute = exportAttributes[0] as EventExportAttribute;
if (exportAttribute.EventType == null)
{
return;
}
var eventType = exportAttribute.EventType;
switch (GetObjectLifeCycle(lifeCycle))
{
case ObjectLifeCycle.Singleton:
ObjectContainer.RegisterInstance(exportAttribute.InterfaceType, Activator.CreateInstance(type));
if (eventHandlerContainer.ContainsKey(eventType))
{
eventHandlerContainer[eventType].Add(new EventHandlerKeyValuePair()
{
InterfaceType = exportAttribute.InterfaceType,
ImplementType = type
});
}
else
{
IList <EventHandlerKeyValuePair> tempTypes = new List <EventHandlerKeyValuePair>();
tempTypes.Add(new EventHandlerKeyValuePair()
{
InterfaceType = exportAttribute.InterfaceType,
ImplementType = type
});
eventHandlerContainer.Add(eventType, tempTypes);
}
break;
case ObjectLifeCycle.New:
if (eventHandlerContainer.ContainsKey(eventType))
{
if (eventHandlerContainer[eventType].Where(pre => pre.ImplementType == type).Count() > 0)
{
return;
}
eventHandlerContainer[eventType].Add(new EventHandlerKeyValuePair()
{
InterfaceType = exportAttribute.InterfaceType,
ImplementType = type
});
}
else
{
IList <EventHandlerKeyValuePair> tempTypes = new List <EventHandlerKeyValuePair>();
tempTypes.Add(new EventHandlerKeyValuePair()
{
InterfaceType = exportAttribute.InterfaceType,
ImplementType = type
});
eventHandlerContainer.Add(eventType, tempTypes);
}
ObjectContainer.RegisterType(exportAttribute.InterfaceType, type);
ObjectContainer.RegisterType(type, type);
break;
}
}
