presto-main/src/main/java/io/prestosql/operator/JoinBridgeManager.java/OneToOneInternalJoinBridgeDataManager/getJoinBridge
class OneToOneInternalJoinBridgeDataManager:        @Override
        public T getJoinBridge(Lifespan lifespan)
        {
            return data(lifespan).joinBridge;
        }