def handle_get_index(self, handle, connection, match, data, hdr):
        self.node.storage.get_index(
            match.group(1), cb=CalvinCB(self.get_index_cb, handle, connection))
Decorate a class with ``session`` and ``connection`` attributes.
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvincontrol.py/CalvinControl.handle_get_index--crossover with--dataset/ETHPy150Open openstack/oslo.db/oslo_db/sqlalchemy/enginefacade.py/transaction_context_provider