code: public ObjectName[] getComponents()
      {
          Holder[] h=(Holder[])_mbeanMap.values().toArray(new Holder[_mbeanMap.size()]);
          ObjectName[] on = new ObjectName[h.length];
          for (int i=0;i<on.length;i++)
              on[i]=h[i].oName;
          return on;
      }
docs: /* ------------------------------------------------------------