GitHub user tushargosavi opened a pull request:
https://github.com/apache/apex-core/pull/456
APEXCORE-577 Add visitor API to examine the DAG.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tushargosavi/apex-core APEXCORE-577
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/apex-core/pull/456.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #456
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commit 0da3a472c0bea14b49239e8e267042fdc513056e
Author: Tushar R. Gosavi <tus...@apache.org>
Date: 2016-12-22T09:06:06Z
APEXCORE-577 Add visitor API to examine the DAG.
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