code: public ValueContainer[] getNonKeyRwValues(ClassDescriptor cld, Object obj) throws PersistenceBrokerException
      {
          return getValuesForObject(cld.getNonPkRwFields(), obj, true);
      }
docs: Returns an array containing values for all non PK field READ/WRITE attributes of the object
  based on the specified {@link org.apache.ojb.broker.metadata.ClassDescriptor}.
  <br/>
  NOTE: This method doesn't do any checks on the specified {@link org.apache.ojb.broker.metadata.ClassDescriptor}
  the caller is reponsible to pass a valid descriptor.
  
  @param cld The {@link org.apache.ojb.broker.metadata.ClassDescriptor} to extract the RW-fields
  @param obj The object with target fields to extract.
  @throws MetadataException if there is an erros accessing obj field values