[HDDS-5292] Introduce the WritableContainerInterface to SCM

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Component/s: SCM
• Labels: pull-request-available
• Target Version/s: 1.2.0
• Assignee: Stephen O'Donnell
• Reporter: Stephen O'Donnell
• Created: 02/Jun/21 16:39
• Updated: 04/Jun/21 15:53
• Resolved: 04/Jun/21 15:53

Description

When implementing EC, we need to allocate blocks to containers on EC pipelines as well as Ratis pipelines (the current code path). The class `BlockManager.allocateBlock(...)` currently does this work.

To allow EC implementation to progress more smoothly, I would like to have BlockManager user a new interface to obtain a container for a block, namely the WritableContainerProvider interface.

This change is just a refactor to add the interface. Existing functionality is unchanged.

Issue Links

• links to: GitHub Pull Request #2300