65     __abstract__ = True

    65     __abstract__ = True

    66     category = 'integrity'

    66     category = 'integrity'

    67 

    67 

    68 class UserIntegrityHook(IntegrityHook):

    68 class UserIntegrityHook(IntegrityHook):

    69     __abstract__ = True

    69     __abstract__ = True

    71 

    71 

    72 

    72 

    73 class CheckCardinalityHook(UserIntegrityHook):

    73 class CheckCardinalityHook(UserIntegrityHook):

    74     """check cardinalities are satisfied"""

    74     """check cardinalities are satisfied"""

    75     __regid__ = 'checkcard'

    75     __regid__ = 'checkcard'

   150         constraints = self._cw.schema_rproperty(self.rtype, self.eidfrom, self.eidto,

   150         constraints = self._cw.schema_rproperty(self.rtype, self.eidfrom, self.eidto,

   151                                                 'constraints')

   151                                                 'constraints')

   152         if constraints:

   152         if constraints:

   153             _CheckConstraintsOp(self._cw, constraints=constraints,

   153             _CheckConstraintsOp(self._cw, constraints=constraints,

   154                                rdef=(self.eidfrom, self.rtype, self.eidto))

   154                                rdef=(self.eidfrom, self.rtype, self.eidto))

   155 

   156 

   156 class CheckAttributeConstraintHook(UserIntegrityHook):

   157 class CheckAttributeConstraintHook(UserIntegrityHook):

   157     """check the attribute relation satisfy its constraints

   158     """check the attribute relation satisfy its constraints

   158 

   159 

   159     this is delayed to a precommit time operation since other relation which

   160     this is delayed to a precommit time operation since other relation which