[SPARK-25395] Replace Spark Optional class with Java Optional

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.4.0
• Component/s: Java API
• Assignee: Unassigned
• Reporter: Mario Molina
• Created: 10/Sep/18 14:46
• Updated: 20/Sep/18 17:30
• Resolved: 10/Sep/18 17:49

Description

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.

Issue Links

• links to: [Github] Pull Request #22383 (mmolimar)
• links to: [Github] Pull Request #22383 (mmolimar)