IDOEntity idoEntity = (IDOEntity) entity;
EntityRepresentation idoEntity = (EntityRepresentation) entity;
  public PresentationObject getPresentationObject(    Object entity,    EntityPath path,    EntityBrowser browser,    IWContext iwc) {    IDOEntity idoEntity = (IDOEntity) entity;    return new CheckBox(key, idoEntity.getPrimaryKey().toString());  }