public override int DoLogic()
{
PerfRunData runData = RunData;
// Get initial reader
IndexWriter w = runData.IndexWriter;
if (w == null)
{
throw new Exception("please open the writer before invoking NearRealtimeReader");
}
if (runData.GetIndexReader() != null)
{
throw new Exception("please close the existing reader before invoking NearRealtimeReader");
}
long t = J2N.Time.CurrentTimeMilliseconds();
DirectoryReader r = DirectoryReader.Open(w, true);
runData.SetIndexReader(r);
// Transfer our reference to runData
r.DecRef();
// TODO: gather basic metrics for reporting -- eg mean,
// stddev, min/max reopen latencies
// Parent sequence sets stopNow
reopenCount = 0;
while (!Stop)
{
long waitForMsec = (pauseMSec - (J2N.Time.CurrentTimeMilliseconds() - t));
if (waitForMsec > 0)
{
Thread.Sleep((int)waitForMsec);
//System.out.println("NRT wait: " + waitForMsec + " msec");
}
t = J2N.Time.CurrentTimeMilliseconds();
DirectoryReader newReader = DirectoryReader.OpenIfChanged(r);
if (newReader != null)
{
int delay = (int)(J2N.Time.CurrentTimeMilliseconds() - t);
if (reopenTimes.Length == reopenCount)
{
reopenTimes = ArrayUtil.Grow(reopenTimes, 1 + reopenCount);
}
reopenTimes[reopenCount++] = delay;
// TODO: somehow we need to enable warming, here
runData.SetIndexReader(newReader);
// Transfer our reference to runData
newReader.DecRef();
r = newReader;
}
}
Stop = false;
return(reopenCount);
}
