@Override
        public void initialize(final Cluster cluster, final Collection<Host> hosts) {
            this.availableHosts.addAll(hosts);
            this.index.set(new Random().nextInt(Math.max(hosts.size(), 1)));
        }
A simple round-robin strategy that simply selects the next host in the {@link Cluster} to send the
{@link RequestMessage} to.
gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/LoadBalancingStrategy.java