# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb 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.
#
# CubicWeb 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 CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

from yams.buildobjs import EntityType, String, SubjectRelation

from cubicweb.schema import RQLConstraint


class Personne(EntityType):
    nom = String(required=True)
    prenom = String()
    enfant = SubjectRelation('Personne', inlined=True, cardinality='?*')
    connait = SubjectRelation('Personne', symmetric=True,
                              constraints=[RQLConstraint('NOT S identity O')])