INTERNAL:
super(sourceTableName, targetTableName);
if (node != null) {
// Process the primary key field metadata.
m_pkField.setName(helper.getNodeValue(node, XMLConstants.ATT_REFERENCED_COLUMN_NAME, DEFAULT_REFERENCED_COLUMN_NAME));
// Process the foreign key field metadata.
m_fkField.setName(helper.getNodeValue(node, XMLConstants.ATT_NAME, DEFAULT_NAME));
m_fkField.setColumnDefinition(helper.getNodeValue(node, XMLConstants.ATT_COLUMN_DEFINITION, DEFAULT_COLUMN_DEFINITION));
}