private void markEndTimeSeries(int i) {
		timestamps[iterators.length + i] = MARK_END_TIME_SERIES;
		iterators[i] = null;
	}
private void markEndTimeSeries ( int i ) { timestamps [ iterators . length + i ] = MARK_END_TIME_SERIES ; iterators [ i ] = null ; }
Mark the timestamp buffer as reached the end, if the iterator has reached the end.
@param i The index of the iterator.