public static IEventFlowOptions ConfigureAggregates(
this IEventFlowOptions eventFlowOptions)
{
bool commands(Type f) => f.GetInterfaces().Contains(typeof(ICommand));
return(eventFlowOptions
.AddEvents(Assembly)
.AddCommands(Assembly, commands)
.AddCommandHandlers(Assembly));
}
public static IEventFlowOptions ConfigureSagas(this IEventFlowOptions options)
{
IEventFlowOptions eventFlowOptions = options.AddEvents(typeof(ExampleSagaStartedEvent))
.AddEvents(typeof(ExampleSagaCompletedEvent))
.AddSagas(typeof(ExampleSaga))
.RegisterServices(sr =>
{
sr.RegisterType(typeof(OrderSagaLocator));
});
return(eventFlowOptions);
}
public static IEventFlowOptions AddEvents(
this IEventFlowOptions eventFlowOptions,
Assembly fromAssembly,
Predicate <Type> predicate = null)
{
predicate = predicate ?? (t => true);
var aggregateEventTypes = fromAssembly
.GetTypes()
.Where(t => !t.GetTypeInfo().IsAbstract&& typeof(IAggregateEvent).GetTypeInfo().IsAssignableFrom(t))
.Where(t => predicate(t));
return(eventFlowOptions.AddEvents(aggregateEventTypes));
}
public async Task BasicFlow(IEventFlowOptions eventFlowOptions)
{
// Arrange
using (var resolver = eventFlowOptions
.AddEvents(EventFlowTestHelpers.Assembly)
.AddCommandHandlers(EventFlowTestHelpers.Assembly)
.RegisterServices(f => f.Register <IPingReadModelLocator, PingReadModelLocator>())
.AddMetadataProvider <AddGuidMetadataProvider>()
.AddMetadataProvider <AddMachineNameMetadataProvider>()
.AddMetadataProvider <AddEventTypeMetadataProvider>()
.UseInMemoryReadStoreFor <InMemoryThingyReadModel>()
.UseInMemoryReadStoreFor <PingReadModel, IPingReadModelLocator>()
.RegisterServices(sr => sr.Register <IScopedContext, ScopedContext>(Lifetime.Scoped))
.AddSubscribers(typeof(Subscriber))
.CreateResolver())
{
var commandBus = resolver.Resolve <ICommandBus>();
var eventStore = resolver.Resolve <IAggregateStore>();
var queryProcessor = resolver.Resolve <IQueryProcessor>();
var id = ThingyId.New;
// Act
await commandBus.PublishAsync(new ThingyDomainErrorAfterFirstCommand(id), CancellationToken.None).ConfigureAwait(false);
await commandBus.PublishAsync(new ThingyPingCommand(id, PingId.New), CancellationToken.None).ConfigureAwait(false);
await commandBus.PublishAsync(new ThingyPingCommand(id, PingId.New), CancellationToken.None).ConfigureAwait(false);
var testAggregate = await eventStore.LoadAsync <ThingyAggregate, ThingyId>(id, CancellationToken.None).ConfigureAwait(false);
var testReadModelFromQuery1 = await queryProcessor.ProcessAsync(
new ReadModelByIdQuery <InMemoryThingyReadModel>(id.Value), CancellationToken.None)
.ConfigureAwait(false);
var testReadModelFromQuery2 = await queryProcessor.ProcessAsync(
new InMemoryQuery <InMemoryThingyReadModel>(rm => rm.DomainErrorAfterFirstReceived), CancellationToken.None)
.ConfigureAwait(false);
var pingReadModels = await queryProcessor.ProcessAsync(
new InMemoryQuery <PingReadModel>(m => true), CancellationToken.None)
.ConfigureAwait(false);
// Assert
pingReadModels.Should().HaveCount(2);
testAggregate.DomainErrorAfterFirstReceived.Should().BeTrue();
testReadModelFromQuery1.DomainErrorAfterFirstReceived.Should().BeTrue();
testReadModelFromQuery2.Should().NotBeNull();
}
}
public static IEventFlowOptions AddDefaults(
this IEventFlowOptions eventFlowOptions,
Assembly fromAssembly,
Predicate <Type> predicate = null)
{
return(eventFlowOptions
.AddEvents(fromAssembly, predicate)
.AddJobs(fromAssembly, predicate)
.AddCommands(fromAssembly, predicate)
.AddCommandHandlers(fromAssembly, predicate)
.AddMetadataProviders(fromAssembly, predicate)
.AddSubscribers(fromAssembly, predicate)
.AddEventUpgraders(fromAssembly, predicate)
.AddQueryHandlers(fromAssembly, predicate));
}
public static IEventFlowOptions AddEvents(
this IEventFlowOptions eventFlowOptions,
params Type[] aggregateEventTypes)
{
return(eventFlowOptions.AddEvents((IEnumerable <Type>)aggregateEventTypes));
}
private void RegisterEvents(IEventFlowOptions eventFlowOptions)
{
eventFlowOptions.AddEvents(typeof(TestCreated));
}
