[ARROW-7259] [Java] Support subfield encoder use different hasher

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: Java
• Labels: pull-request-available
• Assignee: Ji Liu
• Reporter: Ji Liu
• Created: 26/Nov/19 06:48
• Updated: 11/Jan/20 04:31
• Resolved: 11/Jan/20 04:31

Description

Currently ListSubFieldEncoder/StructSubFieldEncoder use default hasher for calculating hashCode.

This issue enables them to use different hasher or even user-defined hasher for their own use cases just like DictionaryEncoder does.

Issue Links

• links to: GitHub Pull Request #5899