async Task RunAsyncHandler(IAsyncMessageHandler handler, string message, string routingKey)
{
_logger.LogDebug($"Starting processing the message by async message handler {handler?.GetType().Name}.");
await handler.Handle(message, routingKey);
_logger.LogDebug($"The message has been processed by async message handler {handler?.GetType().Name}.");
}
public IDisposable Subscribe(TKey key, IAsyncMessageHandler <TMessage> handler)
{
var subscriptionKey = handlers.Add(handler);
var subscription = new Subscription(key, subscriptionKey, this);
core.diagnotics.IncrementSubscribe(this, subscription);
return(subscription);
}
private async Task RunAsyncMessageHandler(IAsyncMessageHandler handler, BasicDeliverEventArgs eventArgs, string matchingRoute)
{
ValidateMessageHandler(handler);
_logger.LogDebug($"Starting processing the message by async message handler {handler.GetType().Name}");
await handler.Handle(eventArgs, matchingRoute);
_logger.LogDebug($"The message has been processed by async message handler {handler.GetType().Name}");
}
public async ValueTask <IDisposable> SubscribeAsync(IAsyncMessageHandler <TMessage> handler, CancellationToken cancellationToken)
{
if (IsValueType || lastMessage != null)
{
await handler.HandleAsync(lastMessage !, cancellationToken);
}
return(core.Subscribe(handler));
}
private async Task RunAsyncMessageHandler(IAsyncMessageHandler handler, MessageHandlingContext context, string matchingRoute)
{
ValidateMessageHandler(handler);
_loggingService.LogDebug($"Starting processing the message by async message handler {handler.GetType().Name}");
await handler.Handle(context, matchingRoute);
_loggingService.LogDebug($"The message has been processed by async message handler {handler.GetType().Name}");
}
public FilterAttachedAsyncMessageHandler(IAsyncMessageHandler <T> body, IEnumerable <AsyncMessageHandlerFilter <T> > filters)
{
Func <T, CancellationToken, ValueTask> next = body.HandleAsync;
foreach (var f in filters.OrderByDescending(x => x.Order))
{
next = new AsyncMessageHandlerFilterRunner <T>(f, next).GetDelegate();
}
this.handler = next;
}
public IAsyncMessageHandler <TMessage> CreateAsyncMessageHandler <TMessage>(IAsyncMessageHandler <TMessage> handler, AsyncMessageHandlerFilter <TMessage>[] filters)
{
var(globalLength, globalFilters) = options.GetGlobalAsyncMessageHandlerFilters(provider, typeof(TMessage));
var(handlerLength, handlerFilters) = filterProvider.GetAttributeFilters(handler.GetType(), provider);
if (filters.Length != 0 || globalLength != 0 || handlerLength != 0)
{
handler = new FilterAttachedAsyncMessageHandler <TMessage>(handler, globalFilters.Concat(handlerFilters).Concat(filters).Cast <AsyncMessageHandlerFilter <TMessage> >());
}
return(handler);
}
public IDisposable Subscribe(IAsyncMessageHandler <TMessage> handler)
{
lock (gate)
{
if (isDisposed)
{
return(handlingSubscribeDisposedPolicy.Handle(nameof(AsyncMessageBrokerCore <TMessage>)));
}
var subscriptionKey = handlers.Add(handler);
var subscription = new Subscription(this, subscriptionKey);
diagnotics.IncrementSubscribe(this, subscription);
return(subscription);
}
}
public async ValueTask <IAsyncDisposable> SubscribeAsync(TKey key, IAsyncMessageHandler <TMessage> handler, AsyncMessageHandlerFilter <TMessage>[] filters, CancellationToken cancellationToken)
{
handler = asyncMessageHandlerFactory.CreateAsyncMessageHandler(handler, filters); // with filter
var channel = CreateChannel(key);
var mq = await connectionFactory.GetConnectionMultiplexer(key).GetSubscriber().SubscribeAsync(channel).ConfigureAwait(false);
mq.OnMessage(async message =>
{
var v = serializer.Deserialize <TMessage>((byte[])message.Message);
await handler.HandleAsync(v, CancellationToken.None).ConfigureAwait(false);
});
return(new Subscription(mq));
}
public IDisposable Subscribe(TKey key, IAsyncMessageHandler <TMessage> handler)
{
lock (gate)
{
if (isDisposed)
{
return(handlingSubscribeDisposedPolicy.Handle(nameof(AsyncMessageBrokerCore <TKey, TMessage>)));
}
if (!handlerGroup.TryGetValue(key, out var holder))
{
handlerGroup[key] = holder = new HandlerHolder(this);
}
return(holder.Subscribe(key, handler));
}
}
public IDisposable Subscribe(IAsyncMessageHandler <TMessage> handler, AsyncMessageHandlerFilter <TMessage>[] filters)
{
return(core.Subscribe(handlerFactory.CreateAsyncMessageHandler(handler, filters)));
}
public ValueTask <IAsyncDisposable> SubscribeAsync(TKey key, IAsyncMessageHandler <TMessage> handler, CancellationToken cancellationToken = default)
{
var d = subscriber.Subscribe(key, handler);
return(new ValueTask <IAsyncDisposable>(new AsyncDisposableBridge(d)));
}
public ValueTask <IDisposable> SubscribeAsync(IAsyncMessageHandler <TMessage> handler, CancellationToken cancellationToken)
{
return(SubscribeAsync(handler, Array.Empty <AsyncMessageHandlerFilter <TMessage> >(), cancellationToken));
}
public IDisposable Subscribe(TKey key, IAsyncMessageHandler <TMessage> handler, params AsyncMessageHandlerFilter <TMessage>[] filters)
{
return(core.Subscribe(key, handlerFactory.CreateAsyncMessageHandler(handler, filters)));
}
public ValueTask <IDisposable> SubscribeAsync(IAsyncMessageHandler <TMessage> handler, AsyncMessageHandlerFilter <TMessage>[] filters, CancellationToken cancellationToken)
{
handler = handlerFactory.CreateAsyncMessageHandler(handler, filters);
return(core.SubscribeAsync(handler, cancellationToken));
}
public UniTask <IAsyncDisposable> SubscribeAsync(TKey key, IAsyncMessageHandler <TMessage> handler, AsyncMessageHandlerFilter <TMessage>[] filters, CancellationToken cancellationToken = default)
{
var d = subscriber.Subscribe(key, handler, filters);
return(new UniTask <IAsyncDisposable>(new AsyncDisposableBridge(d)));
}
public void Unsubscribe <T>(IAsyncMessageHandler <T> handler)
{
var evntType = typeof(T);
Unsubscribe(handler, evntType);
}
