/**
* Returns true if this field's value passes validation. This function will always return true.
* @exception PSU\Model\ValidationException Thrown if validation fails.
* @return boolean
*/
public function validate($return = true)
{
$filter_class = $this->clean_class();
$action = $filter_class . '_validate_' . $this->name->value;
if (\PSU::has_action($action)) {
\PSU::do_action($action, $this);
}
//end if
return $return;
}