protected override void ConfigureMassTransit(IServiceCollectionConfigurator configurator)
{
// Configure scheduler service consumers.
configurator.AddConsumer <ScheduleMessageConsumer>();
configurator.AddConsumer <CancelScheduledMessageConsumer>();
// configure workflow consumers
configurator.AddWorkflowConsumer <CartCreated>();
configurator.AddWorkflowConsumer <CartItemAdded>();
configurator.AddWorkflowConsumer <OrderSubmitted>();
configurator.AddWorkflowConsumer <CartExpiredEvent>();
// host fake service consumers
configurator.AddConsumer <CartRemovedConsumer>();
}