/// <summary>
/// 发布事件调用失败的结果
/// </summary>
internal static void PublishRaiseFailed(dynamic identity, EventKey key, string message)
{
var en = EventUtil.GetRaiseResult(key.EventName, key.EventId);//消息队列的事件名称
var arg = CreatePublishRaiseResultArg(identity, key, false, message, string.Empty);
EventPortal.Publish(en, arg);
}
public static void NotifyDeleted(RemoteType remoteType, object id)
{
var arg = CreateEventArg(remoteType, id);
var eventName = RemoteObjectDeleted.GetEventName(remoteType);
EventPortal.Publish(eventName, arg);
}
/// <summary>
/// 发布事件调用成功的结果
/// </summary>
/// <param name="eventName"></param>
/// <param name="eventId"></param>
/// <param name="message"></param>
internal static void PublishRaiseSucceeded(dynamic identity, string eventName, Guid eventId, string argsCode)
{
var en = EventUtil.GetRaiseResult(eventName, eventId); //消息队列的事件名称
//返回事件成功被执行的结果
var arg = CreatePublishRaiseResultArg(identity, new EventKey(eventId, eventName), true, string.Empty, argsCode);
EventPortal.Publish(en, arg);
}
/// <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);
}
private static void ReverseRemoteEvent(EventEntry entry, dynamic identity, DTObject args)
{
entry.Status = EventStatus.Reversing;
//调用远程事件时会创建一个接收结果的临时队列，有可能该临时队列没有被删除，所以需要在回逆的时候处理一次
EventTrigger.CleanupRemoteEventResult(entry.EventName, entry.EventId);
//发布“回逆事件”的事件
var reverseEventName = EventUtil.GetReverse(entry.EventName);
EventPortal.Publish(reverseEventName, entry.GetRemotable(identity, args));
//注意，与“触发事件”不同，我们不需要等待回逆的结果，只用传递回逆的消息即可
entry.Status = EventStatus.Reversed;
}
private static void RaiseRemoteEvent(EventEntry entry, dynamic identity, DTObject args)
{
entry.Status = EventStatus.Raising;
//先订阅触发事件的返回结果的事件
SubscribeRemoteEventResult(entry.EventName, entry.EventId);
//再发布“触发事件”的事件
var raiseEventName = EventUtil.GetRaise(entry.EventName);
EventPortal.Publish(raiseEventName, entry.GetRemotable(identity, args)); //触发远程事件就是发布一个“触发事件”的事件 ，订阅者会收到消息后会执行触发操作
TimeoutManager.Start(new EventKey(entry.EventId, entry.EventName));
}
public static void Cancel(RemoteType remoteType)
{
var eventName = GetEventName(remoteType);
EventPortal.Cancel(eventName);
}
public static void Subscribe(RemoteType remoteType)
{
var eventName = GetEventName(remoteType);
EventPortal.Subscribe(eventName, Handler);
}
/// <summary>
/// 删除由于接受调用结果而创建的临时队列
/// </summary>
/// <param name="eventName"></param>
/// <param name="eventId"></param>
internal static void CleanupRemoteEventResult(string eventName, Guid eventId)
{
var raiseResultEventName = EventUtil.GetRaiseResult(eventName, eventId);
EventPortal.Cleanup(raiseResultEventName);
}
/// <summary>
/// 订阅远程事件的返回结果的事件
/// </summary>
internal static void SubscribeRemoteEventResult(string eventName, Guid eventId)
{
var raiseResultEventName = EventUtil.GetRaiseResult(eventName, eventId);
EventPortal.Subscribe(raiseResultEventName, ReceiveResultEventHandler.Instance);
}