public IEnumerable <TransactionToShip> ReadJournalForShippings(long lastTransactionId)
{
bool locked = false;
if (_shippingSemaphore.IsReadLockHeld == false)
{
if (_shippingSemaphore.TryEnterReadLock(Debugger.IsAttached ? TimeSpan.FromMinutes(30) : TimeSpan.FromSeconds(30)) == false)
{
throw new TimeoutException("Could not acquire the read lock in 30 seconds");
}
locked = true;
}
try
{
var logInfo = _waj._headerAccessor.Get(ptr => ptr->Journal);
var transactionsToShip = new List <TransactionToShip>();
for (int journalNumber = 0; journalNumber < logInfo.JournalFilesCount; journalNumber++)
{
var journalReader = new JournalReader(_waj._env.Options.OpenJournalPager(journalNumber), null, lastTransactionId, null);
var journalLogs = journalReader.ReadJournalForShipping(_waj._env.Options).ToList();
if (journalLogs.Count > 0)
{
transactionsToShip.AddRange(journalLogs);
}
}
return(transactionsToShip);
}
finally
{
if (locked)
{
_shippingSemaphore.ExitReadLock();
}
}
}
