GitHub user khalidhuseynov reopened a pull request:
https://github.com/apache/zeppelin/pull/1722
[HOTFIX] substitute null check for the refactored Revision class
### What is this PR for?
This is to fix minor bug introduced by #1697
### What type of PR is it?
Bug Fix
### Todos
* [x] - substitute null check
### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-1776
### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/khalidhuseynov/incubator-zeppelin
bugfix/revision-EMPTY
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1722.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 #1722
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commit 95501b760ef3d7d0c29c25b849720bf9b856b8d2
Author: Khalid Huseynov <khalid...@gmail.com>
Date: 2016-12-02T12:37:25Z
fix null -> EMPTY
commit 13178aee18c0a4aed1dda0c72750e08c9ed9f53c
Author: Khalid Huseynov <khalid...@gmail.com>
Date: 2016-12-03T12:30:56Z
add isEmpty()
commit 0408c9a3159f7e130e524f74d8fbbbca4acffc41
Author: Khalid Huseynov <khalid...@gmail.com>
Date: 2016-12-03T16:30:43Z
refactor
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