GossipDigest.java

public class GossipDigest implements Comparable<GossipDigest> {
    
    final InetAddressAndPort endpoint;
    final int generation; // generation stays the same when server is running and grows every time the node is started 
    final int maxVersion; // maximum version number is the biggest version number in EndPointState for this endpoint

    GossipDigest(InetAddressAndPort ep, int gen, int version){
        endpoint = ep;
        generation = gen;
        maxVersion = version;
    }

    public int compareTo(GossipDigest gDigest){
        if (generation != gDigest.generation)
            return (generation - gDigest.generation);
        return (maxVersion - gDigest.maxVersion);
    }
}