async Task INHibernateChildProjector.ProjectEvent(object anEvent, NHibernateProjectionContext context)
{
if (anEvent == null)
{
throw new ArgumentNullException(nameof(anEvent));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
try
{
await mapConfigurator.ProjectEvent(anEvent, context).ConfigureAwait(false);
}
catch (ProjectionException projectionException)
{
if (string.IsNullOrEmpty(projectionException.ChildProjector))
{
projectionException.ChildProjector = typeof(TProjection).ToString();
}
throw;
}
catch (Exception exception)
{
throw new ProjectionException("Projector failed to project an event.", exception)
{
ChildProjector = typeof(TProjection).ToString()
};
}
}
private async Task ProjectTransaction(Transaction transaction, ISession session)
{
foreach (EventEnvelope eventEnvelope in transaction.Events)
{
var context = new NHibernateProjectionContext
{
TransactionId = transaction.Id,
Session = session,
StreamId = transaction.StreamId,
TimeStampUtc = transaction.TimeStampUtc,
Checkpoint = transaction.Checkpoint,
EventHeaders = eventEnvelope.Headers,
TransactionHeaders = transaction.Headers
};
try
{
await mapConfigurator.ProjectEvent(eventEnvelope.Body, context).ConfigureAwait(false);
}
catch (ProjectionException projectionException)
{
projectionException.TransactionId = transaction.Id;
projectionException.CurrentEvent = eventEnvelope;
throw;
}
catch (Exception exception)
{
throw new ProjectionException("Projector failed to project an event.", exception)
{
TransactionId = transaction.Id,
CurrentEvent = eventEnvelope
};
}
}
}