/**
* Validates all modified columns of given Groupwf object.
* If parameter $columns is either a single column name or an array of column names
* than only those columns are validated.
*
* NOTICE: This does not apply to primary or foreign keys for now.
*
* @param Groupwf $obj The object to validate.
* @param mixed $cols Column name or array of column names.
*
* @return mixed TRUE if all columns are valid or the error message of the first invalid column.
*/
public static function doValidate(Groupwf $obj, $cols = null)
{
$columns = array();
if ($cols) {
$dbMap = Propel::getDatabaseMap(GroupwfPeer::DATABASE_NAME);
$tableMap = $dbMap->getTable(GroupwfPeer::TABLE_NAME);
if (!is_array($cols)) {
$cols = array($cols);
}
foreach ($cols as $colName) {
if ($tableMap->containsColumn($colName)) {
$get = 'get' . $tableMap->getColumn($colName)->getPhpName();
$columns[$colName] = $obj->{$get}();
}
}
} else {
if ($obj->isNew() || $obj->isColumnModified(GroupwfPeer::GRP_STATUS)) {
$columns[GroupwfPeer::GRP_STATUS] = $obj->getGrpStatus();
}
}
return BasePeer::doValidate(GroupwfPeer::DATABASE_NAME, GroupwfPeer::TABLE_NAME, $columns);
}