/**
* Prepare security- and filter-based restrictions.
* @access private
*/
protected function _prepare_restrictions()
{
parent::_prepare_restrictions();
if (!$this->_returns_no_data()) {
include_once 'webcore/db/query_security.php';
$restriction = new QUERY_SECURITY_RESTRICTION($this, $this->_user);
$sql = $restriction->as_sql(array(Privilege_set_folder, Privilege_set_entry, $this->_privilege_set));
if (!$sql) {
$this->_set_returns_no_data();
} else {
$this->_calculated_restrictions[] = $sql;
}
}
}
/**
* Perform any setup needed on each returned object.
* Sets the parent folder for the object.
* @param OBJECT_IN_FOLDER $obj
* @access private
*/
protected function _prepare_object($obj)
{
parent::_prepare_object($obj);
$obj->set_parent_folder($this->_folder);
}
/**
* Return the list of restrictions for calculating size.
* @see _prepare_restrictions()
* @return string[]
* @access private
*/
protected function _count_restrictions()
{
$Result = parent::_count_restrictions();
$Result[] = $this->_usable_restriction;
return $Result;
}
