[CASSANDRA-18192] Accord - refactor transaction state storage

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 5.x
• Component/s: Accord
• Epic Link: CEP-15: Accord Beta
• Change Category: Code Clarity
• Complexity: Normal
• Platform: All

Source Control Link

https://github.com/apache/cassandra/commit/3374d91c4a86bb7a77e65e67c6c45d074512fbc4

Test and Documentation Plan

new tests

• Assignee: Blake Eggleston
• Reporter: Blake Eggleston

Authors

Blake Eggleston

Reviewers

Benedict Elliott Smith, David Capwell

• Created: 24/Jan/23 17:50
• Updated: 09/Mar/23 00:00
• Resolved: 09/Mar/23 00:00

Description

Refactor accord state to be immutable with explicit transitions between each state. This should also address the occasional errors encountered during field updates

Issue Links

• blocks: CASSANDRA-18196 Initial Merge of Accord Feature Branch to Trunk