PaymentGatewayConfiguration.java

@Configuration
@RibbonClient(name = "payment-gateway", configuration = PaymentGatewayConfiguration.class)
public class PaymentGatewayConfiguration {

    @Bean
    public IPing ribbonPing(IClientConfig config) {
        return new PingUrl();
    }

    @Bean
    public IRule ribbonRule(IClientConfig config) {
        return new RandomRule();
    }

    @Bean
    public ServerList<Server> getServerList() {

    return new ServerList<Server>() {
        @Override
        public List<Server> getInitialListOfServers() {
            return new ArrayList<>();
        }

        @Override
        public List<Server> getUpdatedListOfServers() {
            int totalServers = 10;
            List<Server> serverList = new ArrayList<>();
          
            for (Server server : gatewayConfig.getGatewayURLMap().values()) {
                if (server instanceof GatewayServer) {
                    int count = (int) (((GatewayServer) server).getRatio() * totalServers);
                    while (count-- > 0 && serverList.size() < totalServers) {
                        serverList.add(server);
                    }
                }
            }

            return serverList;
        }
    };
  }
}