GitHub user yew1eb opened a pull request:
https://github.com/apache/flink/pull/4519
[FLINK-7415][Cassandra Connector] Add comments for `BatchExample.java`
## What is the purpose of the change
Help beginners follow it with less confusion.
## Brief change log
- Add comments for cassandra batch-test class `BatchExample.java`
## Verifying this change
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yew1eb/flink FLINK-7415
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4519.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 #4519
commit 62fbc338f5049bebd5b770f66938b9394677dbe9
Author: yew1eb
Date: 2017-08-10T15:28:00Z
add comments for BatchExample.java
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