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−# copyright 2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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−#
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−# This file is part of CubicWeb.
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−#
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−# CubicWeb is free software: you can redistribute it and/or modify it under the
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−# terms of the GNU Lesser General Public License as published by the Free
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−# Software Foundation, either version 2.1 of the License, or (at your option)
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−# any later version.
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−#
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−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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−# details.
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−#
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−# You should have received a copy of the GNU Lesser General Public License along
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−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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−
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−from yams.buildobjs import EntityType, RelationDefinition, ComputedRelation, Int, Float
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−
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−
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−class Employee(EntityType):
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−    pass
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−
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−
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−class employees(RelationDefinition):
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−    subject = 'Company'
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−    object = 'Employee'
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−
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−
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−class associates(RelationDefinition):
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−    subject = 'Company'
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−    object = 'Employee'
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−
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−
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−class Company(EntityType):
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−    score100 = Float(formula='Any AVG(NN) WHERE X employees E, N concerns E, N note100 NN')
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−
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−
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−class Note(EntityType):
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−    note = Int()
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−    note20 = Int(formula='Any N*20 WHERE X note N')
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−    note100 = Int(formula='Any N*20 WHERE X note N')
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−
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−
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−class concerns(RelationDefinition):
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−    subject = 'Note'
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−    object = 'Employee'
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−
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−
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−class notes(ComputedRelation):
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−    rule = 'S employees E, O concerns E'
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−
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−
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−class whatever(ComputedRelation):
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−    rule = 'S employees E, O concerns E'
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−
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−
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−class to_be_renamed(ComputedRelation):
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−    rule = 'S employees E, O concerns E'