Get Reactive

Responsive Resilient Elastic Message Driven

asynchronous message-passing – loose couple location transparency Non-blocking – only consume resources while active

Vert.x – Reactive ToolkitAvi Saidian @HPE

Overview

Created by Tim Fox (VMWare) at 2011 Joined the Eclipse Foundation at 2013 June 24 2015 released version 3.0 October 8 – 3.1 is out

Reactive Frameworks

ReactiveX - http://reactivex.io/ Typesafe Akka Dropwizard Vertx Netflix OSS Others…

Key Features

Polyglot Java Javascript Ruby Groovy

Key Features

Verticles Basic execution unit Actor like model Always run in the same thread Can have many instances Classloader isolated Communicate over messaging BUS

Demo

Hello Polyglot JS:

Key Features

Event Bus Point To Point Publish/Subscribe Request/Reply Pass Strings, Buffer,

Primitives and JSON Support Custom

Types (codec)

Key Features

Ecosystem Lightweight vert.x core Web Data access (mongodb, redis, JDBS) Security (basic auth, jdbc auth, jwt, shiro) Reactive (based on RxJava)

Code ExamplesMy server code:

Code ExamplesMy JDBC code:

New In Vert.x 3.1

Vertx-sync - perform async operations in a synchronous way, but without blocking kernel threads.

Vertx-stomp - implementation of a Simple (or Streaming) Text Orientated Messaging Protocol

Vertx-shell - a command line interface for the Vert.x runtime

Next Release 3.2 – end of 2015.

Demo Time

High Availability Server Load Balancing RealTime event bus

Live Vertx Project

Mobile Apps Sentiment Analysis (MASA) Project: Async Collection Of Data

Get Comments Detect Language Persistency

Async Processing of Comments Sentiment Score Classify Informative Score Persistency

2 Data Flows

Start

Crawler

Get

Data

Identify Language

PersistSen

timent Score

Classify

Informative Scor

e

Update

Questions?

References

http://vertx.io/docs/ http://vertx.io/blog/ Source:

https://github.com/eclipse/vert.x https://github.com/vert-x3/vertx-examples/ https://github.com/vert-x3/

http://www.infoq.com/articles/vertx-3-tim-fox

Backup: Vert.x on Docker

There are vertx containers on Docker HUB: Vertx/vertx3 Vertx-exec