public bool MoveNext()
{
while (true)
{
if (result == null)
{
long readLoc = outputRows.GetReadLocation();
while (true)
{
if (outputRows.Read(readLoc, out result))
{
currentResult = -1;
break;
}
else
{
if (monitorExit)
{
return(false);
}
else
{
//no more rows to grab and we're here? might be time to exit.
if (completionEvent.WaitOne(1))
{
monitorExit = true;
}
if (mp.WorkerThreadException != null)
{
throw mp.WorkerThreadException;
}
Thread.Sleep(0);
}
}
}
}
if (++currentResult > result.itemCount)
{
result = null;
continue;
}
else
{
return(true);
}
}
}
public bool Read()
{
while (true)
{
if (result == null)
{
long readLoc = bulkRows.GetReadLocation();
while (true)
{
if (bulkRows.Read(readLoc, out result))
{
currentResult = -1;
break;
}
else
{
if (monitorExit)
{
//need to send back a message to the monitor thread
return(false);
}
else
{
//no more rows to grab and we're here? might be time to exit.
if (bulkCompletionEvent.WaitOne(1))
{
monitorExit = true;
}
//if the thread canceled flag is set, return true, so we can force an exception
if (ThreadCanceled)
{
return(true);
}
}
}
}
}
if (++currentResult > result.itemCount)
{
result = null;
continue;
}
else
{
return(true);
}
}
}