public TicketingApplication(ITicketCommandFactory ticketCommandFactory, IConcertService concertService, IApplicationServiceBus applicationServiceBus)
{
ApplicationServiceBus = applicationServiceBus;
var inputBufferSize = 2 << 10;
var claimStrategy = new SingleThreadedClaimStrategy(inputBufferSize);
var waitStrategy = new SleepingWaitStrategy();
var commandHandlers = new CommandHandlerCollection();
RegisterCommandHandlers(concertService, commandHandlers);
inputDisruptor = new Disruptor<CommandMessage>(() => new CommandMessage(), claimStrategy, waitStrategy, TaskScheduler.Default);
inputDisruptor.HandleEventsWith(new CommandMessageHandler(commandHandlers));
// Publishers and translators to input buffer
commandMessageTranslator = new CommandMessageTranslator(ticketCommandFactory, ApplicationServiceBus);
}
private static void RegisterCommandHandlers(IConcertService concertService, CommandHandlerCollection commandHandlers)
{
var factory = new SimpleEventHandlerFactory();
commandHandlers.AddHandler(typeof (PurchaseTicketCommand), factory.CreateEventHandler(concertService,
(IConcertService service, IPurchaseTicketCommand cmd, long seq, bool endOfBatch) =>
{
concertService.PurchaseTicket(/*IPurchaseTicketCommand data*/);
}));
commandHandlers.AddHandler(typeof(CancelTicketCommand), factory.CreateEventHandler(concertService,
(IConcertService service, ICancelTicketCommand cmd, long seq, bool endOfBatch) =>
{
concertService.CancelTicket(/*ICancelTicketCommand data*/);
}));
commandHandlers.AddHandler(typeof(CreateConcertCommand), factory.CreateEventHandler(concertService,
(IConcertService service, ICreateConcertCommand cmd, long seq, bool endOfBatch) =>
{
concertService.CreateConcert(/*ICreateConcertCommand data*/);
}));
}