Vert.x

Reactive, event-driven applications on the JVM

Erwin de Gier | Software Architect | Open Source

Demands

Mobile
Multicore
Cloud computing
Interactive & real-time
Responsive
Collaborative
Realtime
Data increase

Trends

Microservices

Scalable

Event driven

“Vert.x is a toolkit for creating reactive applications on the JVM, supporting multiple development languages simultaneously.”

Microservices

Self-contained. Microservices are standalone operations that run without requiring other services. That means each runs on its own. You can scale each up or down and replace a service individually instead of updating the entire monolith given the business need and load. Reusable. Microservices are self-contained so you can reuse them for other applications and functions. We’re talking of reusing already deployed microservices. Independent. Microservices are platform agnostic, which means you can design them independent of infrastructure needs to run anywhere, in any cloud. Microservices: A trend aims at solving software delivery problems, tightly coupled with DevOps, building full stack applications which solve a particular business problems with a lightweight technology

Microservices

Run as standalone JAR file or in vert.x runtime
Support for Java, Ruby, Javascript, Groovy, etc.
Deploy and Undeploy seperate services at runtime
Dropwizard style Metrics

Event driven

Services subscribe to events
Thread is free until an event needs to be handled
Distributed event-bus

Scalable

Architecture

Hello World


public class PublisherVerticle extends AbstractVerticle {

	@Override
	public void start() throws Exception {
	  vertx.setPeriodic(1000, arg -> {
		vertx.eventBus().publish("event", 
		 new JsonObject().put("eventmessage", "hello world"));
	  });
	}
}

Demo

Core API
Vert.x-web
Persistency
Vert.x-unit
Metrics
Shell interaction

“Looking for a Microservices toolkit? Reactive, Scalable and Event Driven? Needs to run on the JVM?”

erwin.de.gier@sogeti.nl

github.com/erwindeg/vertx3-whatsnew

edegier.nl/presentations/vertx-intro