private class FilteredBySection implements Selector<DirectoryDrugListItem> {
List<DirectoryDrugListItem> itemsBySection = new ArrayList<DirectoryDrugListItem>();
public FilteredBySection(DirectoryDloDrugSectionItem section) throws ClipsException {
SelectorEditableExceptional it = getItems();
for (int i = 0; i < it.size(); i++) {
DirectoryDrugListItem item = (DirectoryDrugListItem) it.get(i);
//pass nullable element
if(item.getID() == 0) {
continue;
}
if(item.getSection() == section) {