public static void WithJustCore()
{
// ... Initialization of SlimMessageBus
// Define the recipie how to create our IMessageBus
var busBuilder = new MessageBusBuilder()
.SimpleMessageBus();
// Create the IMessageBus instance from the builder
var bus = busBuilder
.Build();
// Set the provider to resolve our bus - this setup will work as a singleton.
MessageBus.SetProvider(() => bus);
// ... Somewhere in your domain layer
var greeter = new NewUserHelloGreeter();
// Register handler explicitly
bus.Subscribe(greeter);
// Handlers will be executed synchronous.
bus.Publish(new NewUserJoinedEvent("Bob"));
bus.Publish(new NewUserJoinedEvent("Jane"));
// .. OR
MessageBus.Current.Publish(new NewUserJoinedEvent("Jennifer"));
MessageBus.Current.Publish(new NewUserJoinedEvent("Tom"));
bus.UnSubscribe(greeter);
}
private static void WithServiceLocator()
{
// Mock: the ServiceLocator (start)
var serviceLocatorMock = new Mock <IServiceLocator>();
var serviceLocatorProviderMock = new Mock <ServiceLocatorProvider>();
serviceLocatorProviderMock.Setup(x => x()).Returns(serviceLocatorMock.Object);
Microsoft.Practices.ServiceLocation.ServiceLocator.SetLocatorProvider(serviceLocatorProviderMock.Object);
// Mock: the ServiceLocator (end)
// Define the recipie how to create our IMessageBus
var busBuilder = new MessageBusBuilder()
.ResolveHandlersFromServiceLocator() // Needs SlimMessageBus.ServiceLocator NuGet package
.SimpleMessageBus();
// Mock: Every call to ServiceLocator.GetInstance<IMessageBus>() resolves a new instance
// The IMessageBus would be bound to the proper scope in your app (per Web Request, per Thread, per Unit Of Work, etc)
serviceLocatorMock.Setup(x => x.GetInstance <IMessageBus>()).Returns(() =>
{
// Create the IMessageBus instance from the builder
var busInstance = busBuilder
.Build();
return(busInstance);
});
// Set the provider to resolve our bus - this will lookup the IMessageBus instance in the ServiceLocator.
MessageBus.SetProvider(() => Microsoft.Practices.ServiceLocation.ServiceLocator.Current.GetInstance <IMessageBus>());
// Mock: The handlers are registered in the DI container
var greeter = new NewUserHelloGreeter();
serviceLocatorMock.Setup(x => x.GetAllInstances <IHandles <NewUserJoinedEvent> >()).Returns(new[] { greeter });
// ... Initialization finished
// Handlers will be executed synchronous.
// Injected from your DI container or resolved from ServiceLocator
IMessageBus bus = Microsoft.Practices.ServiceLocation.ServiceLocator.Current.GetInstance <IMessageBus>();
bus.Publish(new NewUserJoinedEvent("Bob"));
bus.Publish(new NewUserJoinedEvent("Jane"));
// OR
MessageBus.Current.Publish(new NewUserJoinedEvent("Jennifer"));
MessageBus.Current.Publish(new NewUserJoinedEvent("Tom"));
}
