This closes #1998
Project: http://git-wip-us.apache.org/repos/asf/beam/repo Commit: http://git-wip-us.apache.org/repos/asf/beam/commit/345c2acc Tree: http://git-wip-us.apache.org/repos/asf/beam/tree/345c2acc Diff: http://git-wip-us.apache.org/repos/asf/beam/diff/345c2acc Branch: refs/heads/master Commit: 345c2acca9b502fa40209de76d845118282d58c7 Parents: 938a66e 16c051a Author: Thomas Groh <tg...@google.com> Authored: Tue Feb 14 13:12:57 2017 -0800 Committer: Thomas Groh <tg...@google.com> Committed: Tue Feb 14 13:12:57 2017 -0800 ---------------------------------------------------------------------- .../main/java/org/apache/beam/sdk/Pipeline.java | 63 ++++- .../beam/sdk/runners/TransformHierarchy.java | 157 +++++++++--- .../apache/beam/sdk/values/TupleTagList.java | 6 + .../sdk/runners/TransformHierarchyTest.java | 237 ++++++++++++++++++- 4 files changed, 431 insertions(+), 32 deletions(-) ----------------------------------------------------------------------