Periodic.java

package io.vertx.example.rxjava.scheduler.timer;

import io.vertx.example.util.Runner;
import io.vertx.rxjava.core.AbstractVerticle;
import rx.Observable;
import rx.Scheduler;

import java.util.concurrent.TimeUnit;

/*
 * @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
 */
public class Periodic extends AbstractVerticle {

  // Convenience method so you can run it in your IDE
  public static void main(String[] args) {
    Runner.runExample(Periodic.class);
  }

  @Override
  public void start() throws Exception {

    //
    Scheduler scheduler = io.vertx.rxjava.core.RxHelper.scheduler(vertx);

    // Create a periodic event stream using Vertx scheduler
    Observable<Long> o = Observable.
        timer(0, 1000, TimeUnit.MILLISECONDS, scheduler);

    o.subscribe(item -> {
      System.out.println("Got item " + item);
    });
  }
}