@Override
      protected Long initialValue(){
        return getCurrentNotificationId();
      }
Utility class to enable testing of Replv1 compatibility testing.

If event formats/etc change in the future, testing against this allows tests
to determine if they break backward compatibility with Replv1.

Use as a junit TestRule on tests that generate events to test if the events
generated are compatible with replv1.
hcatalog/webhcat/java-client/src/test/java/org/apache/hive/hcatalog/api/repl/ReplicationV1CompatRule.java