presto-main/src/main/java/io/prestosql/operator/JoinBridgeManager.java/SharedInternalJoinBridgeDataManager/outerOperatorClosed
class SharedInternalJoinBridgeDataManager:        @Override
        public void outerOperatorClosed(Lifespan lifespan)
        {
            checkArgument(Lifespan.taskWide().equals(lifespan), "join bridge is not partitioned");
            joinLifecycle.releaseForOuter();
        }