def get_overridden_calculated_entry(self):
<EOL>if not bool(self._my_map['<STR_LIT>']):<EOL><INDENT>raise errors.IllegalState('<STR_LIT>')<EOL><DEDENT>mgr = self._get_provider_manager('<STR_LIT>')<EOL>if not mgr.supports_grade_entry_lookup():<EOL><INDENT>raise errors.OperationFailed('<STR_LIT>')<EOL><DEDENT>lookup_session = mgr.get_grade_entry_lookup_session(proxy=getattr(self, "<STR_LIT>", None))<EOL>lookup_session.use_federated_gradebook_view()<EOL>osid_object = lookup_session.get_grade_entry(self.get_overridden_calculated_entry_id())<EOL>return osid_object<EOL>
Gets the calculated entry this entry overrides.

        return: (osid.grading.GradeEntry) - the calculated entry
        raise:  IllegalState - ``overrides_calculated_entry()`` is
                ``false``
        raise:  OperationFailed - unable to complete request
        *compliance: mandatory -- This method must be implemented.*