/// <summary>
/// 查询执行元素
/// </summary>
/// <typeparam name="TMessage"></typeparam>
/// <param name="message"></param>
/// <param name="messageContext"></param>
/// <returns></returns>
private MessageExcutingElement[] FindMessageExcutingElement <TMessage>(IMessageContext messageContext, TMessage message)
where TMessage : IMessage
{
try
{
var provider = new MessageSubscriberProvider(this.serviceLocator.BeginLifetimeScope());
var elements = MessageExcutingHelper.FindMessageExcutingElement(provider, message);
messageContext.Items["BeginLifetimeScope"] = provider.Scope;
return(elements);
}
catch
{
throw;
}
}
internal static MessageExcutingElement[] FindMessageExcutingElement <TMessage>(MessageSubscriberProvider provider, TMessage e) where TMessage : IMessage
{
var messageHandlers = provider.FindSubscriber <TMessage>();
if (messageHandlers == null || messageHandlers.Length == 0)
{
return new MessageExcutingElement[] { }
}
;
/*先获取到每个MessageHandler的所有属性*/
var elements = new List <MessageExcutingElement>(messageHandlers.Length);
for (var i = 0; i < messageHandlers.Length; i++)
{
var item = messageHandlers[i];
var handlerType = item.GetType();
var attributes = HandlerBehaviorStorager.Default.GetAttributes(handlerType);
var loggerAttribute = ObjectExtension.GetAttribute <LoggerAttribute>(attributes);
ILoggerBuilder loggerBuilder = null;
if (loggerAttribute != null)
{
try
{
loggerBuilder = provider.Scope.Resolve <ILoggerBuilder>(loggerAttribute.RegisterKey);
}
catch
{
}
}
elements.Add(new MessageExcutingElement()
{
MessageContext = provider.FindMessageContext(),
MessageHandler = item,
MessageHandlerType = handlerType,
LoggerBuilder = loggerBuilder,
});
}
return(elements.ToArray());
}
#endregion
}
