sb.append(subordinateID).append(":");
sb.append(Util.guidToString((String)subordinateID)).append(":");
   public static String subordinateToString(Serializable category, Serializable subordinateID,                                            Address address)   {      StringBuffer sb = new StringBuffer();      sb.append(category).append(":");      sb.append(subordinateID).append(":");      sb.append(address);            return sb.toString();   }