@classmethod
def _PerformValidation(cls):
    """Determine whether the content model should be validated for this class.

        In the absence of context, this returns C{True} iff both binding and
        document validation are in force.

        @deprecated: use L{_GetValidationConfig} and check specific requirements."""
    vo = cls._validationConfig_
    return vo.forBinding and vo.forDocument
