public static void UseEventMessageProcessor(
this IAppBuilder app,
EventProcessorHost eventProcessorHost,
EventDataSerializer serializer,
IMessageHandler messageHandler,
IMessageProcessingExceptionHandler <EventData> exceptionHandler)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (eventProcessorHost == null)
{
throw new ArgumentNullException(nameof(eventProcessorHost));
}
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
if (messageHandler == null)
{
throw new ArgumentNullException(nameof(messageHandler));
}
if (exceptionHandler == null)
{
throw new ArgumentNullException(nameof(exceptionHandler));
}
CancellationToken cancellationToken = new AppProperties(app.Properties).OnAppDisposing;
var processorFactory = new EventMessageProcessorFactory(
serializer,
messageHandler,
exceptionHandler,
cancellationToken);
Start(eventProcessorHost, processorFactory);
cancellationToken.Register(() => Stop(eventProcessorHost));
}
private static void Start(
EventProcessorHost eventProcessorHost,
EventMessageProcessorFactory processorFactory) =>
eventProcessorHost.RegisterEventProcessorFactoryAsync(processorFactory).Wait();
