Enabling MongoDB replica set

javaConfig.java

@Configuration
@EnableMongoRepositories({"com.foo.repository"})
public class MongoRepositoryConfig{

    @Value("localhost:27017, localhost:27018")
    private ServerAddress[] serverAddressList;

@Bean
    @Override
    public Mongo mongo() throws Exception {
         return new Mongo(Arrays.asList(serverAddressList));
    }

@Bean
    public static CustomEditorConfigurer customEditorConfigurer(){
        CustomEditorConfigurer configurer = new CustomEditorConfigurer();
        configurer.setPropertyEditorRegistrars(
                new PropertyEditorRegistrar[]{new ServerAddressPropertyEditorRegistrar()});
        return configurer;
    }