public static void RegisterType(Type type) {
var interfaces = type.GetInterfaces()
.Where(i => i.IsGenericType && (i.GetGenericTypeDefinition() == typeof(IHandleMessages<>)))
.ToList();
if (interfaces.Count == 0) {
throw new ApplicationException(string.Format("Type {0} does not implement IHandleMessages", type.FullName));
}
//for each interface we find, we need to register it with the bus.
foreach (var foundInterface in interfaces) {
var implementedMessageType = foundInterface.GetGenericArguments()[0];
var routeFinder = new AutoRouteFinder(Setup.exchangeName);
var methodInfo = typeof(IRouteFinder).GetMethod("FindRoutingKey");
var genericMethodInfo = methodInfo.MakeGenericMethod(new Type[] { implementedMessageType });
var fullName = (string)genericMethodInfo.Invoke(routeFinder, null);
var info = new HandlerEnpointData() {
AttributeData = type.GetCustomAttributes(typeof(MessageHandlerConfigurationAttribute), false).FirstOrDefault() as MessageHandlerConfigurationAttribute,
DeclaredType = type,
MessageType = implementedMessageType,
RouteFinder = routeFinder,
SubscriptionName = fullName,
ServiceType = foundInterface
};
CreateSubscription(info);
}
}
/// <summary>
/// Create a new Subscription.
/// </summary>
/// <param name="value">The data used to create the subscription</param>
private static void CreateSubscription(HandlerEnpointData data) {
//Guard.ArgumentNotNull(value, "value");
lock (lockObject) {
var setup = new RabbitSetup(ConfigurationManager.ConnectionStrings["RabbitMQ"].ConnectionString);
var routeData = new RouteSetupData() {
ExchangeSetupData = new ExchangeSetupData() {
AutoDelete = false,
Durable = true,
ExchangeType = "direct"
},
QueueSetupData = new QueueSetupData() {
AutoDelete = false,
AutoExpire = 1000 * 60 * 60 * 96, //96 hours
Durable = true
},
SubscriptionName = data.DeclaredType.FullName,
RouteFinder = data.RouteFinder
};
var methodInfo = setup.GetType().GetMethod("CreateRoute");
var genericMethodInfo = methodInfo.MakeGenericMethod(new Type[] { data.MessageType });
genericMethodInfo.Invoke(setup, new object[] { routeData });
var gt = typeof(RegistrationRunner<>).MakeGenericType(data.MessageType);
var rr = Activator.CreateInstance(gt, data);
var configMethod = rr.GetType().GetMethod("Configure");
configMethod.Invoke(rr, null);
} //lock end
}
