setPropertyNames(query.getProperties());
} else {
setPropertyNames(null); // we need the actual property names (not surrogates) to do
// this...
}
xpathAttributeBuilder = new XPath();
xpathAttributeBuilder.setFeatureFactory(attf);
initialiseSourceFeatures(mapping, unrolledQuery, query.getCoordinateSystemReproject());
xpathAttributeBuilder.setFilterFactory(namespaceAwareFilterFactory);
}