belliottsmith commented on code in PR #7:
URL: https://github.com/apache/cassandra-accord/pull/7#discussion_r1013056250
##########
accord-core/src/main/java/accord/primitives/ProgressToken.java:
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@@ -0,0 +1,72 @@
+package accord.primitives;
+
+import accord.coordinate.Outcome;
+import accord.local.Status;
+import accord.local.Status.Durability;
+
+import javax.annotation.Nonnull;
+
+/**
+ * A representation of activity on a command, so that peers may monitor a
command to ensure it is making progress
+ */
+public class ProgressToken implements Comparable<ProgressToken>, Outcome
+{
+ public static final ProgressToken NONE = new
ProgressToken(Durability.NotDurable, Status.NotWitnessed, Ballot.ZERO, false);
Review Comment:
Sort of. Except that once you have any state whatsoever you inherently have
a ballot associated with it, so I'm not sure it is even meaningful to say "no
value" for a ballot?
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