The \Traversable interface enables the implementation to be addressed with
foreach. Rows have to implement either \RecursiveIterator or
\Iterator.
The iterator is similar to getValues() with keys being the column
names and the values the corresponding entry in that column for this row.
/**
* Resolve property has-children with given node.
*
* @param Row $row
*
* @return bool
*/
private function resolveHasChildren(Row $row)
{
$queryBuilder = new QueryBuilder($this->qomFactory);
$queryBuilder->select('node', 'jcr:uuid', 'uuid')->from($this->qomFactory->selector('node', 'nt:unstructured'))->where($this->qomFactory->childNode('node', $row->getPath()))->setMaxResults(1);
$result = $queryBuilder->execute();
return count(iterator_to_array($result->getRows())) > 0;
}
/**
* Return data for one field.
*/
private function getFieldData($field, Row $row, NodeInterface $node, $document, $templateKey, $webspaceKey, $locale)
{
if (isset($field['column'])) {
// normal data from node property
return $row->getValue($field['column']);
} elseif (isset($field['extension'])) {
// data from extension
return $this->getExtensionData($node, $field['extension'], $field['property'], $webspaceKey, $locale);
} elseif (isset($field['property']) && (!isset($field['templateKey']) || $field['templateKey'] === $templateKey)) {
// not extension data but property of node
return $this->getPropertyData($document, $field['property']);
}
return;
}