INTERNAL:
if (m_columnResults == null) {
m_columnResults = new ArrayList<String>();
NodeList columnResultList = m_helper.getNodes(m_node, XMLConstants.COLUMN_RESULT);
if (columnResultList != null) {
for (int i = 0; i < columnResultList.getLength(); i++) {
m_columnResults.add(m_helper.getNodeValue(columnResultList.item(i), XMLConstants.ATT_NAME));
}
}
}
return m_columnResults;