elasticsearch transportclient

@Configuration
public class ESConfiguration {

    private TransportClient client;

    @Bean
    public TransportClient esTransportClient() throws UnknownHostException {

        Settings settings = Settings.builder()
                .put("client.transport.nodes_sampler_interval", "5s")
                .put("client.transport.sniff", false)
                .put("transport.tcp.compress", true)
                .put("cluster.name", "elasticsearch")
                .build();

        client = new PreBuiltTransportClient(settings);

        client.addTransportAddress(new InetSocketTransportAddress(InetAddress.getLocalHost(), 9300));

        return client;
    }
}