internal static void Start(IChannelProvider channelProvider, IComponentChannelIdentifierRepository componentChannelIdentifierRepository, IHubContext <IngestEventsHub> hubContext)
{
channelProvider.GetMessageSource <SerializedEvent>(componentChannelIdentifierRepository.GetChannelIdentifierFor(IngestEventConstants.ChannelIdentifierCode)).GetChannel().Subscribe(evt =>
{
hubContext.Clients.All.SendAsync("onNewEvent", evt.GetEventObject());
});
}
public static IDisposable RegisterCommandHandler <Command, CommandHandler>(this IChannelProvider channelProvider, ChannelIdentifier channelIdentifier, ILifetimeScope iocLifetimeScope)
where CommandHandler : ICommandHandler <Command>
{
// Resolve the commmand handler once to verify that it is correctly registered in the iocContainer.
// This is done to force the method to fail early (when making the registration) instead of late (when receiving a message of the given command type).
iocLifetimeScope.Resolve <CommandHandler>();
return(channelProvider.GetMessageSource <Command>(channelIdentifier).GetChannel().Subscribe(command =>
{
var correlationId = Guid.NewGuid();
WriteToConsole <Command, CommandHandler>(correlationId, "Starting message processing");
WriteToConsole <Command, CommandHandler>(correlationId, JsonConvert.SerializeObject(command, Formatting.None));
iocLifetimeScope.Resolve <CommandHandler>().Handle(command);
WriteToConsole <Command, CommandHandler>(correlationId, "message processing completed");
}));
}
