vertx-service-proxy code example

Example 1: vertx-service-proxy

package io.vertx.howtos.ebservice;

import io.vertx.core.AbstractVerticle;
import io.vertx.core.Future;
import io.vertx.core.Promise;
import io.vertx.howtos.ebservice.beers.BarmanService;

public class DrunkVerticle extends AbstractVerticle {

  @Override
  public void start(Promise<Void> startPromise) {
    BarmanService barmanService = BarmanService.createProxy(vertx, "beers.services.myapplication"); // (1)

    barmanService.giveMeARandomBeer("homer", b1 -> { // (2)
      if (b1.failed()) { // (3)
        System.err.println("Cannot get my first beer!");
        startPromise.fail(b1.cause());
        return;
      }
      System.out.println("My first beer is a " + b1.result() + " and it costs " + b1.result().getPrice() + "€"); // (4)
      vertx.setTimer(1500, l ->
        barmanService.giveMeARandomBeer("homer", b2 -> { // (5)
          if (b2.failed()) {
            System.out.println("Cannot get my second beer!");
            startPromise.fail(b2.cause());
            return;
          }
          System.out.println("My second beer is a " + b2.result() + " and it costs " + b2.result().getPrice() + "€"); // (6)
          barmanService.getMyBill("homer", billAr -> {
            System.out.println("My bill with the bar is " + billAr.result()); // (7)
            barmanService.payMyBill("homer"); // (8)
            startPromise.complete();
          });
        })
      );
    });

  }
}

Example 2: vertx-service-proxy

package io.vertx.howtos.ebservice;

import io.vertx.core.AbstractVerticle;
import io.vertx.ext.web.client.WebClient;
import io.vertx.howtos.ebservice.beers.BarmanService;
import io.vertx.howtos.ebservice.beers.impl.BarmanServiceImpl;
import io.vertx.serviceproxy.ServiceBinder;

public class BarmanVerticle extends AbstractVerticle {

  @Override
  public void start() {
    BarmanService service = new BarmanServiceImpl(WebClient.create(vertx)); // (1)

    new ServiceBinder(vertx) // (2)
      .setAddress("beers.services.myapplication") // (3)
      .register(BarmanService.class, service); // (4)
  }
}