/** * This function performs the validation work for complex object models. * * In addition to checking the current object, all related objects will * also be validated. If all pass then <code>true</code> is returned; otherwise * an aggreagated array of ValidationFailed objects will be returned. * * @param array $columns Array of column names to validate. * @return mixed <code>true</code> if all validations pass; array of <code>ValidationFailed</code> objets otherwise. */ protected function doValidate($columns = null) { if (!$this->alreadyInValidation) { $this->alreadyInValidation = true; $retval = null; $failureMap = array(); if (($retval = SystemUserPeer::doValidate($this, $columns)) !== true) { $failureMap = array_merge($failureMap, $retval); } $this->alreadyInValidation = false; } return !empty($failureMap) ? $failureMap : true; }