// from IRichSpout interface
@Override
public void nextTuple() {
if (_firstTime && MyUtilities.isAggBatchOutputMode(_aggBatchOutputMillis)) {
_periodicAggBatch = new PeriodicAggBatchSend(_aggBatchOutputMillis, this);
_firstTime = false;
}
if (SystemParameters.isExisting(getConf(), "TIMEOUT_1MS_EVERY_XTH")) {
// Obsolete - this is for compatibility with old configurations