# Copyright (c) 2006 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: TupleSlotTypeClassList.pm,v 1.2 2006/10/26 03:45:46 nagler Exp $
package Bivio::Biz::Model::TupleSlotTypeClassList;
use strict;
use base 'Bivio::Biz::ListModel';

our($VERSION) = sprintf('%d.%02d', q$Revision: 1.2 $ =~ /\d+/g);

sub DEFAULT {
    return shift->get_instance('TupleSlotType')->DEFAULT_CLASS;
}

sub find_row_by_class {
    return shift->find_row_by('TupleSlotType.type_class', shift)
}

sub internal_initialize {
    my($self) = @_;
    return $self->merge_initialize_info($self->SUPER::internal_initialize, {
        version => 1,
	primary_key => ['TupleSlotType.tuple_slot_type_id'],
	order_by => ['TupleSlotType.type_class'],
	other => [
	    ['TupleSlotType.realm_id',
	         [Bivio::Auth::Realm->get_general->get('id')]],
	],
    });
}

sub is_upgrade {
    my($self, $old, $new) = @_;
    return $old eq $new || $new eq $self->DEFAULT ? 0 : 1;
}

1;