public RT Execute()
{
var queueId = Guid.NewGuid();
var future = CreateFuture(queueId);
future.Start();
ExecuteImpl(() =>
{
ET source = default(ET);
DataContext.Using(() =>
{
source = CreateEvent();
});
EventRestorer.UseQueue(queueId, true, (callback) =>
{
EventTrigger.Start(queueId, source, callback);
});
});
{
if (future.HasError)
{
throw future.Error;
}
var source = future.Result;
return(GetResult(source));
}
}
/// <summary>
/// 调用远程事件超时
/// </summary>
/// <param name="event"></param>
public static void Timeout(EventKey key)
{
var queue = EventQueue.FindByEventId(key.EventId);
if (queue.IsEmpty())
{
return; //本地无此队列
}
var queueId = queue.Id;
EventRestorer.UseQueue(queueId, false, (callback) =>
{
EventTrigger.Timeout(queueId, key, callback);
}, (ex) =>
{
if (queue.IsSubqueue)
{
//发生了错误就发布出去，通知失败了
EventTrigger.PublishRaiseFailed(AppContext.Identity, key, ex.GetCompleteInfo());
}
else
{
//如果不是外界调用而引起的事件，那么出现错误后只用恢复即可，不需要做额外的处理，内部会处理好
}
});
}
/// <summary>
/// 收到调用结果
/// </summary>
/// <param name="event"></param>
public static void Receive(DTObject @event)
{
var key = EventEntry.GetEventKey(@event);
var queue = EventQueue.FindByEventId(key.EventId);
if (queue.IsEmpty())
{
return; //本地无此队列
}
var queueId = queue.Id;
EventRestorer.UseQueue(queueId, false, (callback) =>
{
EventTrigger.Continue(queueId, @event, key, callback);
}, (ex) =>
{
if (queue.IsSubqueue)
{
//发生了错误就发布出去，通知失败了
EventTrigger.PublishRaiseFailed(AppContext.Identity, key, ex.GetCompleteInfo()); //再恢复
}
else
{
//如果不是外界调用而引起的事件，那么出现错误后只用恢复即可，不需要做额外的处理，内部会处理好
}
});
}
internal static void Initialize()
{
EventAttribute.Initialize();
//订阅事件
SubscribeEvents();
EventRestorer.RestoreAsync();
InitTimer();
}
/// <summary>
/// 被要求回逆，这意味着收到回逆的指令
/// </summary>
/// <param name="event"></param>
public static void AskedToReverse(DTObject @event)
{
var key = EventEntry.GetEventKey(@event);
var queue = EventQueue.FindByEventId(key.EventId);
if (queue.IsEmpty())
{
return; //本地无此队列
}
var queueId = queue.Id;
EventRestorer.TryRestore(queue.Id, new AskedToReverseException(Strings.AskedToReverseTip), true);
}
/// <summary>
/// 接入事件，也就是收到对方的调用事件
/// </summary>
/// <param name="event"></param>
public static void Accept(DTObject @event)
{
var key = EventEntry.GetEventKey(@event);
var args = @event.GetObject("args");
var source = EventFactory.GetLocalEvent(key.EventName, args, true);
var queueId = key.EventId;
EventRestorer.UseQueue(queueId, true, (callback) =>
{
EventTrigger.Start(key.EventId, source, true, callback); //我们把调用方指定的事件编号作为本地的事件队列编号
},
(ex) =>
{
//发生了错误就发布出去，通知失败了
EventTrigger.PublishRaiseFailed(AppContext.Identity, key, ex.GetCompleteInfo()); //再恢复
});
}
