protected function doValidate($columns = null) { if (!$this->alreadyInValidation) { $this->alreadyInValidation = true; $retval = null; $failureMap = array(); if (($retval = VUserGroupPeer::doValidate($this, $columns)) !== true) { $failureMap = array_merge($failureMap, $retval); } $this->alreadyInValidation = false; } return !empty($failureMap) ? $failureMap : true; }