dcapwell commented on code in PR #101:
URL: https://github.com/apache/cassandra-accord/pull/101#discussion_r1664559344


##########
accord-core/src/main/java/accord/coordinate/CoordinatePreAccept.java:
##########
@@ -152,7 +152,12 @@ void onNewEpochTopologyMismatch(TopologyMismatch mismatch)
     void onPreAccepted(Topologies topologies)
     {
         Timestamp executeAt = foldl(oks, (ok, prev) -> 
mergeMax(ok.witnessedAt, prev), Timestamp.NONE);
-        node.withEpoch(executeAt.epoch(), () -> onPreAccepted(topologies, 
executeAt, oks));
+        node.withEpoch(executeAt.epoch(), (ignored, withEpochFailure) -> {

Review Comment:
   another advantage is that you can focus on the happy-path when building the 
chain and only focus on the failure in one place.  With callbacks we keep 
having to focus on both cases in every single block... 



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