def get_id(self):
return Id(identifier=self._identifier,<EOL>namespace=self._namespace,<EOL>authority=self._authority)<EOL>
Override get_id as implemented in Identifiable.

        for the purpose of returning an Id unique to this form for
        submission purposed as recommended in the osid specification.
        This implementation substitutes the intialized Python uuid4
        identifier, and the form namespace from the calling Osid Form.