function &_fetch(&$counter, $params)
{
$result =& parent::_fetch($counter, $params);
if (!count($result)) {
return $result;
}
$parent_node_ids = array();
foreach ($result as $key => $data) {
if (!isset($parent_node_ids[$data['parent_node_id']])) {
$parent_node_ids[$data['parent_node_id']] = $data['parent_node_id'];
}
}
$fetcher =& fetcher::instance();
$access_policy =& access_policy::instance();
$params = array('restrict_by_class' => false);
$parents =& $fetcher->fetch_by_node_ids($parent_node_ids, 'site_object', $parents_counter, $params, 'fetch_by_ids');
foreach ($result as $key => $data) {
$parent_data = $parents[$data['parent_node_id']];
$result[$key]['parent_title'] = $parent_data['title'];
$result[$key]['parent_path'] = $parent_data['path'];
}
return $result;
}
function &_fetch(&$counter, $params)
{
$limit = DEFAULT_RANDOM_LIMIT;
if (isset($params['limit'])) {
$limit = $params['limit'];
unset($params['limit']);
}
if (!($all_objects =& parent::_fetch($counter, $params))) {
return array();
}
$result = array();
if ($limit >= count($all_objects)) {
$limit = count($all_objects);
}
$max_index = count($all_objects) - 1;
$indexes = array_keys($all_objects);
while (count($result) < $limit) {
$index = mt_rand(0, $max_index);
if (!isset($result[$index])) {
$result[$index] = $all_objects[$indexes[$index]];
}
}
return $result;
}