Fast vert.x sender

Sender.java

import org.vertx.java.core.Handler;
import org.vertx.java.core.VoidHandler;
import org.vertx.java.core.eventbus.Message;
import org.vertx.java.platform.Verticle;

public class Sender extends Verticle {

  public void start() {
    send(0);
  }

  private void send(final int count) {
    vertx.eventBus().publish("news-feed", "more news! [" + count + "]");
    if (count < 10000000) {
      vertx.runOnContext(new VoidHandler() {
        @Override
        public void handle() {
           send(count + 1);
        }
      });
    }
  }
}