presto-cassandra/src/main/java/io/prestosql/plugin/cassandra/TokenRing.java/TokenRing/createForPartitioner
class TokenRing:    static Optional<TokenRing> createForPartitioner(String partitioner)
    {
        requireNonNull(partitioner, "partitioner is null");
        switch (partitioner) {
            case "org.apache.cassandra.dht.Murmur3Partitioner":
                return Optional.of(Murmur3PartitionerTokenRing.INSTANCE);
            case "org.apache.cassandra.dht.RandomPartitioner":
                return Optional.of(RandomPartitionerTokenRing.INSTANCE);
            default:
                return Optional.empty();
        }
    }