updated:
             type: datetime
     manyToOne:
+        dance:
+            targetEntity: Rapsys\AirBundle\Entity\Dance
+            inversedBy: applications
         session:
             targetEntity: Rapsys\AirBundle\Entity\Session
             inversedBy: applications
         user:
             targetEntity: Rapsys\AirBundle\Entity\User
             inversedBy: applications
-    oneToMany:
-        votes:
-            targetEntity: Rapsys\AirBundle\Entity\Vote
-            mappedBy: application
+    lifecycleCallbacks:
+        preUpdate: ['preUpdate']
+#    oneToMany:
+#        votes:
+#            targetEntity: Rapsys\AirBundle\Entity\Vote
+#            mappedBy: application
+#    indexes:
+#        #XXX: used in SessionRepository::XXX
+#        id_user:
+#            columns: [ id, user_id ]
+#        id_user_canceled:
+#            columns: [ id, user_id, canceled ]