public async Task DispatchEventsToSagas(IEnumerable <IEventMessage <DomainEvent> > eventMessages)
{
foreach (var eventMessage in eventMessages)
{
HashSet <LocatedSaga> locatedSagas = new HashSet <LocatedSaga>();
foreach (ISagaLocator sagaLocator in sagaLocators)
{
var addedSagas = await sagaLocator.LocateSagasAsync(eventMessage);
foreach (var addedSaga in addedSagas)
{
locatedSagas.Add(addedSaga);
}
}
foreach (LocatedSaga locatedSaga in locatedSagas)
{
ISaga saga;
if (locatedSaga.Id.HasValue)
{
var getTask = (Task <ISaga>)GetType().GetMethod(nameof(GetSagaAsync), BindingFlags.Instance | BindingFlags.NonPublic)
.MakeGenericMethod(new[] { locatedSaga.SagaType }).Invoke(this, new object[] { locatedSaga.Id });
saga = await getTask;
}
else
{
saga = (ISaga)entityFactory.ConstructEntity(locatedSaga.SagaType, Guid.NewGuid());
sagaRepository.Add(saga);
}
saga.HandleEvent(eventMessage);
}
}
await sagaRepository.SendSagaCommandsAsync();
}
private IEntity ConstructEntity(Type entityType, Guid id)
{
return(entityFactory.ConstructEntity(entityType, id));
}
