/// <summary>
/// Create a mediator, which sends messages to consumers, handlers, and sagas. Messages are dispatched to the consumers asynchronously.
/// Consumers are not directly coupled to the sender. Can be used entirely in-memory without a broker.
/// </summary>
/// <param name="selector"></param>
/// <param name="configure"></param>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public static IMediator CreateMediator(this IBusFactorySelector selector, Action <IMediatorConfigurator> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
var topologyConfiguration = new InMemoryTopologyConfiguration(InMemoryBus.MessageTopology);
var busConfiguration = new InMemoryBusConfiguration(topologyConfiguration, new Uri("loopback://localhost"));
var endpointConfiguration = busConfiguration.HostConfiguration.CreateReceiveEndpointConfiguration("mediator");
var configurator = new MediatorConfiguration(busConfiguration.HostConfiguration, endpointConfiguration);
configure(configurator);
var mediatorDispatcher = configurator.Build();
var responseEndpointConfiguration = busConfiguration.HostConfiguration.CreateReceiveEndpointConfiguration("response");
var responseConfigurator = new ReceivePipeDispatcherConfiguration(busConfiguration.HostConfiguration, responseEndpointConfiguration);
configurator = new MediatorConfiguration(busConfiguration.HostConfiguration, responseEndpointConfiguration);
configure(configurator);
var responseDispatcher = responseConfigurator.Build();
return(new MassTransitMediator(LogContext.Current, endpointConfiguration, mediatorDispatcher, responseEndpointConfiguration, responseDispatcher));
}
public Mediator(IServiceFactory serviceFactory, Action <MediatorConfiguration <T> > configure = null)
{
_serviceFactory = serviceFactory;
MediatorConfiguration <T> config = new MediatorConfiguration <T>();
configure?.Invoke(config);
_configuration = config;
}
public async Task Test()
{
var mediator = new MediatorConfiguration()
.RegisterHandlers(typeof(TestEvent).Assembly)
.CreateMediator();
await mediator.PublishAsync(new TestEvent
{
Message = "test event"
});
TestStore.EventStore.Count.ShouldBe(2);
}
public async Task Test()
{
var mediator = new MediatorConfiguration()
.RegisterHandler <TestCommandHandler>()
.CreateMediator();
var command = new TestCommand(Guid.NewGuid());
await mediator.SendAsync(command);
TestStore.CommandStore.Count.ShouldBe(1);
TestStore.CommandStore.Single().ShouldBe(command);
}
public async Task Test()
{
var mediator = new MediatorConfiguration()
.RegisterHandlers(typeof(TestMultipleEvent1).Assembly)
.CreateMediator();
await mediator.PublishAsync(new TestMultipleEvent1());
TestStore.EventStore.Count.ShouldBe(1);
await mediator.PublishAsync(new TestMultipleEvent2());
TestStore.EventStore.Count.ShouldBe(2);
}
public async Task Test()
{
var mediator = new MediatorConfiguration()
.RegisterHandler <TestRequestHandler>()
.CreateMediator();
var request = new TestRequest
{
Message = "test request"
};
var response = await mediator.RequestAsync <TestRequest, TestResponse>(request);
response.ShouldNotBeNull();
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
services.AddControllers();
var mediator = new MediatorConfiguration()
.RegisterHandler <TestCommandHandlers>()
.UseMiddleware <TestMiddleware>()
.UseMiddleware(next =>
{
return(async message =>
{
await next(message);
});
})
.CreateMediator();
services.AddScoped(x => mediator);
}
public static void Mediator(ref IServiceCollection services, Assembly startup, string externalAssemblyName = "")
{
MediatorConfiguration.Configure(services, startup, externalAssemblyName);
}
