// specified in the constructor...so we only do the time zone
// pegging if the period is an instanceof RegularTimePeriod
if (period instanceof RegularTimePeriod)
{
final RegularTimePeriod p = (RegularTimePeriod) period;
p.peg(this.workingCalendar);
}
this.values.addValue(y, period, seriesName);
if (notify)
{
fireDatasetChanged();