protected function updateChildNodesAfterMovingParent(EntityInterface $parent)
{
// find all existing children of the moved parent node
$projection_type = $parent->getType();
$parent_identifier = $parent->getIdentifier();
$path = $this->calculateMaterializedPath($parent);
$affected_relatives = [];
$this->getQueryService($projection_type)->scroll(new CriteriaQuery(new CriteriaList(), new CriteriaList([new AttributeCriteria('materialized_path', new Equals($parent_identifier))]), new CriteriaList(), 0, $this->config->get('batch_size', 1000)), function (ProjectionInterface $projection) use(&$affected_relatives, $parent_identifier, $projection_type, $path) {
// @note if there are many affected relatives this could consume memory
$child_data = $projection->toArray();
$pattern = '#.*' . $parent_identifier . '#';
$child_data['materialized_path'] = preg_replace($pattern, $path, $projection->getMaterializedPath());
$affected_relatives[] = $projection_type->createEntity($child_data);
});
return $affected_relatives;
}
