/// <summary>
/// Constructor.
/// </summary>
/// <param name="domainEventStore">Decorated domain event store.</param>
/// <param name="publisher">Event publisher.</param>
public PublishingDomainEventAsyncStore(IDomainEventAsyncStore <TAggregate, TAggregateId> domainEventStore, IEventPublisher publisher)
{
_domainEventStore = domainEventStore;
_publisher = publisher;
// Subscribe to any errors in publishing.
_publisher.OnError += (e, ex) =>
{
OnPublishError((IDomainEvent)e, ex);
};
}
public async Task Should_Append_To_Domain_Event_Store()
{
IDomainEventAsyncStore <TestAggregate, Guid> eventStore = Factory.CreateEventAsyncStore <TestAggregate, Guid>();
// Create aggregate.
TestAggregate aggregate = new TestAggregate(Guid.NewGuid());
await eventStore.SaveAsync(aggregate);
IDomainEventStream <Guid> stream = await eventStore.GetDomainEventStreamAsync(aggregate.Id);
Assert.NotNull(stream);
Assert.Equal(aggregate.Id, stream.AggregateId);
Assert.Equal(1, stream.DomainEventCount);
}
public async Task GetDomainEventStreamAsync_Should_Retrieve_Aggregate_Stream()
{
IDomainEventAsyncStore <TestAggregate, Guid> eventStore = Factory.CreateEventAsyncStore <TestAggregate, Guid>();
// Create and modify aggregate.
TestAggregate aggregate = new TestAggregate(Guid.NewGuid());
aggregate.ExecuteSomeOperation("I was modified!~");
await eventStore.SaveAsync(aggregate);
IDomainEventStream <Guid> stream = await eventStore.GetDomainEventStreamAsync(aggregate.Id);
Assert.NotNull(stream);
Assert.Equal(aggregate.Id, stream.AggregateId);
// 2 domain events in total: Created + Modified events.
Assert.Equal(2, stream.DomainEventCount);
// Stream starts from version 1 to 2.
Assert.Equal(1, stream.BeginVersion);
Assert.Equal(2, stream.EndVersion);
}
public TestAggregateAsyncRepository(IDomainEventAsyncStore <TestAggregate, Guid> domainEventStore)
{
DomainEventStore = domainEventStore;
}
public static IEventSourcedAggregateAsyncRepository <TestAggregate, Guid> CreateTestAggregateAsyncRepository(IDomainEventAsyncStore <TestAggregate, Guid> domainEventStore)
{
return(new TestAggregateAsyncRepository(domainEventStore));
}
