public void SignalCommit()
{
lock (_sync)
{
signal = TransactionSignal.Commit;
if (!inPoint.IsSet)
{
inPoint.Set();
}
}
}
public void SignalRollback()
{
lock (_sync)
{
signal = TransactionSignal.Rollback;
if (!inPoint.IsSet)
{
inPoint.Set();
}
}
}
private void persistTask()
{
while (true)
{
long operationId;
opsTime.Reset();
opsTime.Start();
while (!opsToPersist.IsEmpty)
{
if (opsToPersist.TryDequeue(out operationId))
{
foreach (var bPlusPersister in persisters)
{
if (bPlusPersister.IsDisposed)
{
disposedList.Add(bPlusPersister);
continue;
}
bPlusPersister.PersistOperation(operationId);
}
}
}
opsTime.Stop();
if (LoggerManager.Instance.IndexLogger != null && persisters.Count > 0)
{
LoggerManager.Instance.IndexLogger.Debug("BPlusPersister",
"Index Ops Persisted, Time Taken: " + opsTime.ElapsedMilliseconds + " (ms)");
}
switch (signal)
{
case TransactionSignal.Commit:
commitRollbackTime.Reset();
commitRollbackTime.Start();
foreach (var bPlusPersister in persisters)
{
if (bPlusPersister.IsDisposed)
{
disposedList.Add(bPlusPersister);
continue;
}
try
{
if (bPlusPersister != null)
{
bPlusPersister.Commit();
}
}
catch (Exception ex)
{
disposedList.Add(bPlusPersister);
bPlusPersister.Parent.RecreateIndex(bPlusPersister.Configuration);
if (LoggerManager.Instance.IndexLogger != null)
{
LoggerManager.Instance.IndexLogger.Error("BPlusPersister", "Index corruption detected on commit, " + ex.Message + ", Regenerating index...");
}
}
}
commitRollbackTime.Stop();
signal = TransactionSignal.Idle;
outPoint.Set();
if (LoggerManager.Instance.IndexLogger != null && persisters.Count > 0)
{
LoggerManager.Instance.IndexLogger.Debug("BPlusPersister",
"Commit Executed, " + "Time Taken: " + commitRollbackTime.ElapsedMilliseconds + "(ms)" +
", InSync:" + inPoint.IsSet + ", OutSync:" + outPoint.IsSet);
}
break;
case TransactionSignal.Rollback:
commitRollbackTime.Reset();
commitRollbackTime.Start();
foreach (var bPlusPersister in persisters)
{
if (bPlusPersister.IsDisposed)
{
disposedList.Add(bPlusPersister);
continue;
}
try
{
bPlusPersister.Rollback();
}
catch (Exception ex)
{
disposedList.Add(bPlusPersister);
bPlusPersister.Parent.RecreateIndex(bPlusPersister.Configuration);
if (LoggerManager.Instance.IndexLogger != null)
{
LoggerManager.Instance.IndexLogger.Error("BPlusPersister", "Index corruption detected on rollback, " + ex.Message + ", Regenerating index...");
}
}
}
commitRollbackTime.Stop();
signal = TransactionSignal.Idle;
outPoint.Set();
if (LoggerManager.Instance.IndexLogger != null && persisters.Count > 0)
{
LoggerManager.Instance.IndexLogger.Debug("BPlusPersister",
"Rollback Executed" + "Time Taken: " + commitRollbackTime.ElapsedMilliseconds + "(ms)" +
", InSync:" + inPoint.IsSet + ", OutSync:" + outPoint.IsSet);
}
break;
}
foreach (var bPlusPersister in disposedList)
{
persisters.Remove(bPlusPersister);
}
if (opsToPersist.IsEmpty)
{
inPoint.Reset();
}
inSyncTime.Reset();
inSyncTime.Start();
inPoint.Wait();
inSyncTime.Stop();
if (stop)
{
return;
}
}
}
