@Override
public Object[] getChildren(Object parentElement) {
CollectionFieldDAO dao = (CollectionFieldDAO) parentElement;
if (!dao.getChildren().isEmpty()) {
return dao.getChildren().toArray();
}
return null;
}
@Override
public boolean hasChildren(Object element) {
CollectionFieldDAO dao = (CollectionFieldDAO) element;
return dao.getChildren().isEmpty() ? false : true;
}