bodyReadOnly = in.readBoolean();
   public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException   {      super.readExternal(in);      isByteArray = in.readBoolean();      int length = in.readInt();      if (length < 0)      {         objectBytes = null;      }      else      {         objectBytes = new byte[length];         in.readFully(objectBytes);      }   }