/// <summary>
/// 异步事件订阅
/// </summary>
/// <param name="handler">处理回调</param>
/// <param name="mode">匹配过滤模式</param>
/// <param name="descriptions">匹配事件描述</param>
/// <returns>异步任务</returns>
public Task <Guid> SubscribeAsync <TEvent>(BaseEventHandler <TEvent> handler, string descriptions, FilterMode mode = FilterMode.StartsWith) where TEvent : IEvent, new()
{
return(Task.Factory.StartNew(() =>
{
if (handler == null)
{
throw new DomianEventException("事件处理回调不能为空！");
}
if (descriptions == null || descriptions.Length == 0)
{
throw new DomianEventException("订阅事件至少需要一条描述！");
}
//if (mode == FilterMode.FullLocalEvent && !(handler is BaseEventHandler<EventJsonWrapper>))
//{
// throw new DomianEventException("订阅本地全部事件时，请实现BaseEventHandler<EventJsonWrapper>！");
//}
var id = Guid.NewGuid();
lock (subscribes)
{
subscribes.Add(new LocalSubscribeItem()
{
Handler = handler,
Descriptions = descriptions,
FilterMode = mode,
Id = id
});
}
// if (FilterMode.FullLocalEvent != mode)
RemoteServiceAgent?.Subscribe(new SubscribeItem()
{
Descriptions = descriptions, FilterMode = mode, PublisherId = PublisherId
});
return id;
}));
}
private void RemoteSubscribe(object sender, EventArgs e)
{
lock (subscribes)
{
foreach (var item in subscribes)
{
RemoteServiceAgent = sender as IRemoteServiceAgent;
RemoteServiceAgent?.Subscribe(new SubscribeItem()
{
Descriptions = item.Descriptions, FilterMode = item.FilterMode, PublisherId = PublisherId
});
}
}
}
