[SPARK-6429] Add to style checker "hashCode and equals should be defined together"

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: Build
• Assignee: Joan Goyeau
• Reporter: Reynold Xin
• Created: 20/Mar/15 07:43
• Updated: 22/Apr/16 11:30
• Resolved: 22/Apr/16 11:24

Description

Otherwise it is dangerous to have equals defined, but not hashCode, leading to weird behavior in hash maps.

Issue Links

• is related to: SPARK-6428 Add to style checker "public method must have explicit type defined"
• links to: [Github] Pull Request #12157 (joan38)