public class ItemTypeBean implements EntityBean, ItemTypeBase {

  public Long catalogNo;

  // ....

  public IItemType getSummary() {
    return new ItemTypeSummary( catalogNo.longValue(), name, price, description );
  }

  private PKGenTranslationProxy pk;

  public Long ejbCreate(String name, int price, String description)
      throws CreateException {
    try {
      if(pk == null)
        pk = new PKGenTranslationProxy();
      this.catalogNo = pk.getNextPKFor("ItemType");
    }
    catch(Exception ex) {
      System.out.println("ItemTypeBean.ejbCreate(): Error.");
      ex.printStackTrace();
      throw new CreateException("ItemTypeBean.ejbCreate(): Couldn't get a PK");
    }

    // ....
  }



public class CatalogBean implements SessionBean, ICatalog {

  private ItemTypeHome itemTypeHome;

  public Collection getAllCatalogItems() {
    List items = new ArrayList();
    try {
      Collection its = itemTypeHome.findAll();
      Iterator it = its.iterator();
      while(it.hasNext()) {
        Object obj = it.next();
        ItemType itemType = (ItemType)
               PortableRemoteObject.narrow(obj, ItemType.class);
        items.add(itemType.getSummary());
      }
    }
    catch(Exception ex) {
      System.out.println("CatalogBean: Error in getAllItems()");
      ex.printStackTrace();
    }
    // Can return an empty collection if there's a problem.
    return items;
  }