def get_next_id(self):
        try:
            query = {'_id': 'last_id'}
            update = {'$inc': {'id': 1}}
            fn = self.db.internal.find_and_modify
            row = fn(query, update, upsert=True, new=True)
        except Exception as e:
            raise DatabaseException(e)
        return row['id']
def __add_fuzzing_boundaries(self):
        lower_bound = -1
        if self.ui.spinBoxLowerBound.isEnabled():
            lower_bound = self.ui.spinBoxLowerBound.value()

        upper_bound = -1
        if self.ui.spinBoxUpperBound.isEnabled():
            upper_bound = self.ui.spinBoxUpperBound.value()

        num_vals = self.ui.spinBoxBoundaryNumber.value()
        self.fuzz_table_model.add_boundaries(lower_bound, upper_bound, num_vals)