bool DoExecute(MessageResult ctx, IObserverHandler<IMessage> handler, AtomicInteger barrier)
{
var e = new MessageReceivingEventArgs (ctx, handler.Target);
try
{
ListnerManager.OnReceiving(e);
if (!e.Ignored)
ctx.results.Add(DelegateInvoker.Invoke<IMessage>(handler, ctx.Request.Sender, ctx.Request.ToMessage()));
return true;
}
catch (Exception ex)
{
var re = new MessageExceptionEventArgs (ctx,ex);
ListnerManager.OnReceivingException(re);
ctx.InnerExceptions.Add(ex);
return !re.Canceled;
}
finally
{
barrier--;
if (barrier == 0)
{
ListnerManager.OnReceived(new MessageEventArgs(ctx));
ListnerManager.OnSent(e);
OnCompleted(ctx);
}
else
ListnerManager.OnReceived(new MessageEventArgs(ctx));
e = null;
}
}
public void Unsubscribe(IObserverHandler<IMessage> handler)
{
if (handler == null
|| !observers.ContainsKey(handler))
return;
lock (observers)
{
//ListnerManager.OnObserverRemoving(handler.Target, Name, Type);
observers.Remove(handler);
//ListnerManager.OnObserverRemoved(handler.Target, Name, Type);
}
}
public void Unsubscribe(IObserverHandler <IMessage> handler)
{
if (handler == null ||
!observers.ContainsKey(handler))
{
return;
}
lock (observers)
{
//ListnerManager.OnObserverRemoving(handler.Target, Name, Type);
observers.Remove(handler);
//ListnerManager.OnObserverRemoved(handler.Target, Name, Type);
}
}
public IDisposable Subscribe(SubscribeMode mode, IObserverHandler<IMessage> handler)
{
if (handler == null
|| observers.ContainsKey(handler))
return Disposable.Empty;
if (mode == SubscribeMode.Async)
IsAsync = true;
var observer = handler.Target;
lock (observers)
{
//ListnerManager.OnObserverAdding(observer, Name, Type);
observers.Add(handler, mode);
//ListnerManager.OnObserverAdded(observer, Name, Type);
}
return Disposable.Create(() => Unsubscribe(handler));
}
bool DoExecute(MessageResult ctx, IObserverHandler <IMessage> handler, AtomicInteger barrier)
{
var e = new MessageReceivingEventArgs(ctx, handler.Target);
try
{
ListnerManager.OnReceiving(e);
if (!e.Ignored)
{
ctx.results.Add(DelegateInvoker.Invoke <IMessage>(handler, ctx.Request.Sender, ctx.Request.ToMessage()));
}
return(true);
}
catch (Exception ex)
{
var re = new MessageExceptionEventArgs(ctx, ex);
ListnerManager.OnReceivingException(re);
ctx.InnerExceptions.Add(ex);
return(!re.Canceled);
}
finally
{
barrier--;
if (barrier == 0)
{
ListnerManager.OnReceived(new MessageEventArgs(ctx));
ListnerManager.OnSent(e);
OnCompleted(ctx);
}
else
{
ListnerManager.OnReceived(new MessageEventArgs(ctx));
}
e = null;
}
}
public IDisposable Subscribe(SubscribeMode mode, IObserverHandler <IMessage> handler)
{
if (handler == null ||
observers.ContainsKey(handler))
{
return(Disposable.Empty);
}
if (mode == SubscribeMode.Async)
{
IsAsync = true;
}
var observer = handler.Target;
lock (observers)
{
//ListnerManager.OnObserverAdding(observer, Name, Type);
observers.Add(handler, mode);
//ListnerManager.OnObserverAdded(observer, Name, Type);
}
return(Disposable.Create(() => Unsubscribe(handler)));
}
/// <summary>
///
/// </summary>
/// <param name="topic">消息主题</param>
/// <param name="messageType"></param>
/// <param name="handler">处理器</param>
public void Unsubscribe(string topic, Type messageType, IObserverHandler<IMessage> handler)
{
Repository[topic, messageType].Subscriber.Unsubscribe(handler);
}
public object Invoke <TMessage>(IObserverHandler <TMessage> handler, object sender, TMessage msg) where TMessage : IMessage
{
return(handler.Invoke(sender, msg));
}
/// <summary>
///
/// </summary>
/// <param name="topic">消息主题</param>
/// <param name="messageType"></param>
/// <param name="handler">处理器</param>
public void Unsubscribe(string topic, Type messageType, IObserverHandler <IMessage> handler)
{
Repository[topic, messageType].Subscriber.Unsubscribe(handler);
}
/// <summary>
///
/// </summary>
/// <param name="handler"></param>
public SubscribeInfo(IObserverHandler <IMessage> handler) : this(null, handler)
{
}
/// <summary>
///
/// </summary>
/// <param name="messageType"></param>
/// <param name="handler"></param>
public SubscribeInfo(Type messageType, IObserverHandler <IMessage> handler)
{
MessageType = messageType;
Handler = handler;
}
/// <summary>
///
/// </summary>
/// <param name="handler"></param>
public SubscribeInfo(IObserverHandler<IMessage> handler) : this(null, handler) { }
/// <summary>
///
/// </summary>
/// <param name="messageType"></param>
/// <param name="handler"></param>
public SubscribeInfo(Type messageType, IObserverHandler<IMessage> handler)
{
MessageType = messageType;
Handler = handler;
}
