public List<CatalogCategoryVirtual> getSortedChildCatalogCategories() {
List<CatalogCategoryVirtual> sortedCatalogCategories = null;
if (catalogCategories != null
&& Hibernate.isInitialized(catalogCategories)) {
sortedCatalogCategories = new LinkedList<CatalogCategoryVirtual>(catalogCategories);
Collections.sort(sortedCatalogCategories, new CatalogCategoryVirtualComparator());
}
return sortedCatalogCategories;
}