private async Task <T> PublishAndRestore(
Guid sourceId, CancellationToken cancellationToken)
{
await _eventPublisher
.PublishPendingEvents <T>(sourceId, cancellationToken)
.ConfigureAwait(false);
IMemento memento = null;
if (_mementoStore != null && _mementoEntityFactory != null)
{
memento = await _mementoStore
.Find <T>(sourceId, cancellationToken)
.ConfigureAwait(false);
}
IEnumerable <IDomainEvent> domainEvents = await _eventStore
.LoadEvents <T>(sourceId, memento?.Version ?? 0, cancellationToken)
.ConfigureAwait(false);
return
(memento == null
? domainEvents.Any()
? _entityFactory.Invoke(sourceId, domainEvents)
: default(T)
: _mementoEntityFactory.Invoke(sourceId, memento, domainEvents));
}
private Task <IMemento> FindMemento(Guid sourceId, CancellationToken cancellationToken)
{
return(_mementoStore.Find <T>(sourceId, cancellationToken));
}