public IEnumerable <CommandEnvelope> Dequeue(int maxCount)
{
using (var session = _sessionFactory.OpenSession())
{
CommandRecord aliasCommandRecord = null;
CommandProcessingResultRecord aliasCommandProcessing = null;
var processedCommands =
QueryOver.Of(() => aliasCommandProcessing)
.Where(() => aliasCommandProcessing.Sequence == aliasCommandRecord.Sequence)
.Select(x => x.Sequence)
.DetachedCriteria;
return(session.QueryOver(() => aliasCommandRecord)
.Where(Subqueries.NotExists(processedCommands))
.Take(maxCount)
.List <CommandRecord>()
.Select(x => new CommandEnvelope(x.Sequence, (Command)x.DeserializePayload()))
.ToList());
}
}
public static void MarkProcessed(int sequenceNumber, ISession session)
{
var record = new CommandProcessingResultRecord(sequenceNumber, DateTime.UtcNow);
session.Save(record);
}
