bsw/jbe@0: Membership = mondelefant.new_class()
bsw/jbe@0: Membership.table = 'membership'
bsw/jbe@0: Membership.primary_key = { "area_id", "member_id" }
bsw/jbe@0: 
bsw/jbe@0: Membership:add_reference{
bsw/jbe@0:   mode          = 'm1',
bsw/jbe@0:   to            = "Member",
bsw/jbe@0:   this_key      = 'member_id',
bsw/jbe@0:   that_key      = 'id',
bsw/jbe@0:   ref           = 'member',
bsw/jbe@0: }
bsw/jbe@0: 
bsw/jbe@0: Membership:add_reference{
bsw/jbe@0:   mode          = 'm1',
bsw/jbe@0:   to            = "Area",
bsw/jbe@0:   this_key      = 'area_id',
bsw/jbe@0:   that_key      = 'id',
bsw/jbe@0:   ref           = 'area',
bsw/jbe@0: }
bsw/jbe@0: 
bsw/jbe@0: function Membership:by_pk(area_id, member_id)
bsw/jbe@0:   return self:new_selector()
bsw/jbe@0:     :add_where{ "area_id = ? AND member_id = ?", area_id, member_id }
bsw/jbe@0:     :optional_object_mode()
bsw/jbe@0:     :exec()
bsw/jbe@0: end