def delete_servicechain_node(self, context, servicechain_node_id):
with db_api.CONTEXT_WRITER.using(context):
node_db = self._get_servicechain_node(context,
servicechain_node_id)
if node_db.specs:
raise schain.ServiceChainNodeInUse(
node_id=servicechain_node_id)
context.session.delete(node_db)
def delete_servicechain_node(self, context, servicechain_node_id):
with context.session.begin(subtransactions=True):
node_db = self._get_servicechain_node(context,
servicechain_node_id)
if node_db.specs:
raise schain.ServiceChainNodeInUse(
node_id=servicechain_node_id)
context.session.delete(node_db)
def delete_servicechain_node(self, context, servicechain_node_id):
with db_api.context_manager.writer.using(context):
node_db = self._get_servicechain_node(context,
servicechain_node_id)
if node_db.specs:
raise schain.ServiceChainNodeInUse(
node_id=servicechain_node_id)
context.session.delete(node_db)