public void Postprocess(DbDataReader reader, IList <Exception> exceptions)
{
if (reader.RecordsAffected != 0)
{
return;
}
var ex = new EventStreamUnexpectedMaxEventIdException(Stream.Key ?? (object)Stream.Id, Stream.AggregateType, Stream.ExpectedVersionOnServer.Value, -1);
exceptions.Add(ex);
}
public bool TryTransform(Exception original, out Exception transformed)
{
if (!Matches(original))
{
transformed = null;
return(false);
}
var postgresException = (PostgresException)original.InnerException;
object id = null;
Type aggregateType = null;
int expected = -1;
int actual = -1;
if (!string.IsNullOrEmpty(postgresException.Detail))
{
var details = EventStreamUniqueExceptionDetailsRegex.Match(postgresException.Detail);
if (details.Groups[StreamId].Success)
{
var streamId = details.Groups[StreamId].Value;
id = Guid.TryParse(streamId, out Guid guidStreamId) ? (object)guidStreamId : streamId;
}
if (details.Groups[Version].Success)
{
var actualVersion = details.Groups[Version].Value;
if (int.TryParse(actualVersion, out int actualIntVersion))
{
actual = actualIntVersion;
expected = actual - 1;
}
}
}
transformed = new EventStreamUnexpectedMaxEventIdException(id, aggregateType, expected, actual);
return(true);
}
