public void Observer()
{
if (!typeof(IPoleEventHandler).IsAssignableFrom(EventHandlerType))
{
throw new NotSupportedException($"{EventHandlerType.FullName} must inheritance from PoleEventHandler");
}
eventHandler = EventHandler;
//内部函数
Task EventHandler(byte[] bytes)
{
var(success, transport) = EventBytesTransport.FromBytes(bytes);
if (!success)
{
if (Logger.IsEnabled(LogLevel.Error))
{
Logger.LogError($" EventId:{nameof(EventBytesTransport.EventId)} is not a event");
}
}
// 批量处理的时候 grain Id 取第一个 event的id
using (var scope = serviceProvider.CreateScope())
{
var eventHandlerInstance = scope.ServiceProvider.GetRequiredService(EventHandlerType);
var serializer = scope.ServiceProvider.GetRequiredService <ISerializer>() as ISerializer;
var eventTypeFinder = scope.ServiceProvider.GetRequiredService <IEventTypeFinder>() as IEventTypeFinder;
var loggerFactory = scope.ServiceProvider.GetRequiredService <ILoggerFactory>() as ILoggerFactory;
var logger = loggerFactory.CreateLogger(EventHandlerType);
return(GetObserver(EventHandlerType)(eventHandlerInstance, transport, serializer, eventTypeFinder, logger, EventHandlerType));
}
}
}
public IAsyncReactiveQbserver <T> GetEgress <T>(string name) => GetObserver <string, T>(new Uri("reaqtor://shebang/observers/egress"))(name);
