/// <summary>
/// 获取消息的处理方法
/// </summary>
/// <param name="messageType"></param>
/// <returns></returns>
public AsyncMessageHandleMethod GetHandle(int messageType)
{
AsyncMessageHandleMethod handle = null;
this.map.TryGetValue(messageType, out handle);
return(handle);
}
/// <summary>
///
/// </summary>
/// <param name="define"></param>
private void Register(AssemblyClassMethodAndAttribute define)
{
var attribute = define.Attribute as RegisterAsyncMessageHandleAttribute;
var type = attribute.MessageType;
if (attribute.MessageContentType == null)
{
attribute.MessageContentType = define.Method.GetParameters()[0].ParameterType;
}
map[type] = new AsyncMessageHandleMethod(define);
}
/// <summary>
/// 处理消息
/// </summary>
/// <param name="loopCount"></param>
/// <returns></returns>
public void Handle(int loopCount = 0)
{
if (loopCount == 0)
{
Setup((Assembly)null);
}
List <AbstractAsyncMessage> messageList = null;
using (var context = new TDbContext())
{
messageList = context.Database.SqlQuery <AbstractAsyncMessage>(this.querySql).ToList();
var asyncMessageHandleDefineList = context.Database.SqlQuery <AbstractAsyncMessageHandleDefine>(queryMessageHandleDefineSql).ToList();
Setup(asyncMessageHandleDefineList);
};
this.handleLog?.Invoke(string.Format("第{0}处理异步消息处理,查询到待处理消息:{1}", loopCount, messageList.Count));
foreach (var message in messageList)
{
try
{
AsyncMessageHandleMethod handle = GetHandle(message.MessageType);
if (handle == null)
{
this.errorLog?.Invoke(string.Format("未定义 {0} 类型消息处理的函数", message.MessageType.ToString()));
continue;
}
if (handle.Handle(message))
{
this.handleLog?.Invoke(string.Format("已经处理消息:{0}-{1}", message.Id, message.MessageContent));
DeleteAsyncMessage(message); //删除某一个异步消息
}
else
{
IncrementAsyncMessageHandleTimes(message);
}
}
catch (Exception e)
{
this.errorLog?.Invoke(string.Format("{0}\n{1}\n{2}", e.Message, e.StackTrace, message));
IncrementAsyncMessageHandleTimes(message);
}
}
}
