dcapwell commented on code in PR #87:
URL: https://github.com/apache/cassandra-accord/pull/87#discussion_r1589747479
##########
accord-core/src/test/java/accord/impl/MessageListener.java:
##########
@@ -117,6 +127,18 @@ public void onClientAction(ClientAction action, Node.Id
from, TxnId id, Object m
}
}
+ private Topology previous = null;
+
+ @Override
+ public void onTopologyChange(Topology topology)
+ {
+ if (previous != null)
+ {
+ logger.debug("Topology Change {} -> {}: {}", previous.epoch(),
topology.epoch(), TopologyUtils.diff(previous, topology));
Review Comment:
honestly I can drop the diff... I mostly did it to confirm where things
happened but personally found `ListStore.history` easier as it shows the local
history (including bootstrap) for a single key... I did find the epoch
notification helpful though to know when this changes
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