/**
* Creates a new instance by copying a subset of the data in this collection.
*
* @param start the index of the first item to copy.
* @param end the index of the last item to copy.
* @return A copy of a subset of the items.
* @throws CloneNotSupportedException if there is a cloning problem.
*/
public TimePeriodValues createCopy(int start, int end) throws CloneNotSupportedException {
TimePeriodValues copy = (TimePeriodValues) super.clone();
copy.data = new ArrayList();
if (this.data.size() > 0) {
for (int index = start; index <= end; index++) {
TimePeriodValue item = (TimePeriodValue) this.data.get(index);
TimePeriodValue clone = (TimePeriodValue) item.clone();
try {
copy.add(clone);
} catch (SeriesException e) {
System.err.println("Failed to add cloned item.");
}
}
}
return copy;
}
