sample circuit breaker with vertx

VertxHystrixSample.java

import com.soundcloud.prometheus.hystrix.HystrixPrometheusMetricsPublisher;
import com.vcc.bigdata.micro.cmd.FailCommand;

import io.vertx.circuitbreaker.CircuitBreaker;
import io.vertx.circuitbreaker.CircuitBreakerOptions;
import io.vertx.circuitbreaker.HystrixMetricHandler;
import io.vertx.core.AbstractVerticle;
import io.vertx.core.http.HttpServer;
import io.vertx.core.http.HttpServerOptions;
import io.vertx.ext.web.Router;

public class VertxHystrixSample extends AbstractVerticle {
    public int counter = 0;

    @Override
    public void start() throws Exception {
	HttpServerOptions serverOtions = new HttpServerOptions();
	HystrixPrometheusMetricsPublisher.register("test");

	// create curcuit breaker
	Router route = Router.router(vertx);
	

	route.route("/metrics").handler(HystrixMetricHandler.create(vertx));

	route.route("/cmd").handler(hdl -> {
  
      //execute some hystrix command
	    FailCommand cmd = new FailCommand(0.6);
	    String result = cmd.execute();
	    hdl.response().end(result);
	});

	HttpServer server = vertx.createHttpServer(serverOtions)
		.requestHandler(route::accept);

	server.listen(8000);
	System.out.println("Server is started!");
    }
}