code: @Override
      public final List<SuperColumn> loadSuperColumns(String keyspace, String columnFamily, String rowId,
              String... superColumnNames)
      {
          if (!isOpen())
              throw new PersistenceException("PelopsClient is closed.");
          Selector selector = clientFactory.getSelector(pool);
          List<ByteBuffer> rowKeys = new ArrayList<ByteBuffer>();
          rowKeys.add(ByteBuffer.wrap(rowId.getBytes()));
  
          if (log.isInfoEnabled())
          {
              log.info("Retrieving record of super column family {} for row key {}", columnFamily, rowId);
          }
  
          return selector.getSuperColumnsFromRow(columnFamily, rowId, Selector.newColumnsPredicate(superColumnNames),
                  getConsistencyLevel());
      }
docs: Load super columns.
  
  @param keyspace
  the keyspace
  @param columnFamily
  the column family
  @param rowId
  the row id
  @param superColumnNames
  the super column names
  @return the list