code: protected void onSuperColumn(EntityMetadata m, boolean isRelation, List<String> relations, List<Object> entities,
          List<SuperColumn> superColumns, ByteBuffer key) {
          Object e = null;
          Object id = PropertyAccessorHelper.getObject(m.getIdAttribute().getJavaType(), key.array());
  
          ThriftRow tr = new ThriftRow(id, m.getTableName(), new ArrayList<Column>(0), superColumns,
              new ArrayList<CounterColumn>(0), new ArrayList<CounterSuperColumn>(0));
  
          e = getDataHandler().populateEntity(tr, m, KunderaCoreUtils.getEntity(e), relations, isRelation);
          if (log.isInfoEnabled()) {
              log.info("Populating data for super column family of clazz {} and row key {}.", m.getEntityClazz(),
                  tr.getId());
          }
  
          if (e != null) {
              entities.add(e);
          }
      }
docs: On super column.
  
  @param m
  the m
  @param isRelation
  the is relation
  @param relations
  the relations
  @param entities
  the entities
  @param superColumns
  the super columns
  @param key
  the key