apurtell commented on a change in pull request #390: HBASE-22623 - Add 
RegionObserver coprocessor hook for preWALAppend
URL: https://github.com/apache/hbase/pull/390#discussion_r311703210
 
 

 ##########
 File path: hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALEdit.java
 ##########
 @@ -48,15 +48,12 @@
  * Used in HBase's transaction log (WAL) to represent a collection of edits 
(Cell/KeyValue objects)
  * that came in as a single transaction. All the edits for a given transaction 
are written out as a
  * single record, in PB format, followed (optionally) by Cells written via the 
WALCellEncoder.
- * <p>This class is LimitedPrivate for CPs to read-only. The {@link #add} 
methods are
 
 Review comment:
   Sorry to ask you to back this out, but discussion on the JIRA ratholed on 
whether or not WALEdit should be immutable or not. We can keep the hook 
signature as proposed, because WALEdit is useful to the coprocessor even if 
read only, and this would allow the discussion on WALEdit to be tabled until 
some future time without consequence to today's need for this change. 

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