GitHub user mmolimar opened a pull request:
https://github.com/apache/spark/pull/22383
[SPARK-25395][JavaAPI] Removing Optional Spark Java API
## What changes were proposed in this pull request?
Previous Spark versions didn't require Java 8 and an ``Optional`` Spark
Java API had to be implemented to support optional values.
Since Spark 2.4 uses Java 8, the ``Optional`` Spark Java API should be
removed so that Spark uses the original Java API.
## How was this patch tested?
``OptionalSuite`` class was removed to test Spark Java API ``Optional``
class (this class as well).
Notice that the ``get`` method in the Spark Java API ``Optional`` class
throws a ``NullPointerException`` when the value is not set whereas the native
Java API ``java.util.Optional`` throws a ``NoSuchElementException``.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mmolimar/spark SPARK-25395
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22383.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 #22383
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commit 4daf0ece245a2dc640be217cf4ad481ea430f996
Author: Mario Molina <mmolimar@...>
Date: 2018-09-10T14:48:13Z
Removing Optional Spark Java API
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