wonook commented on a change in pull request #187: [NEMO-324] Distinguish
Beam's run and waitUntilFinish methods
URL: https://github.com/apache/incubator-nemo/pull/187#discussion_r326251485
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File path: client/src/main/java/org/apache/nemo/client/JobLauncher.java
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@@ -259,7 +262,9 @@ public static void launchDAG(final IRDAG dag,
LOG.info("Launching DAG...");
serializedDAG =
Base64.getEncoder().encodeToString(SerializationUtils.serialize(dag));
- jobDoneLatch = new CountDownLatch(1);
+ if (jobDoneLatch == null || jobDoneLatch.getCount() == 0) {
Review comment:
Before, it just simply re-initialized the jobDoneLatch no matter what. I
wanted to double-check that it was initialized only when it was necessary.
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