TorqueBox - When Java meets Ruby

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When Java meets Ruby

Thursday, December 8, 11

@abstractjJava há 12 anos, Ruby n00bTorqueBox ContributorDynJS ContributorCaelum & ConcreteS

DISCLAIMER

nooooooooooooooo!

927 JSRS!

Expressiva?

import java.util.Calendar; public class Beer { private Long beerId; private String description; private Calendar createdAt; public Long getBeerId() { return beerId; } public void setBeerId(Long beerId) { this.beerId = beerId; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public Calendar getCreatedAt() { return createdAt; } public void setCreatedAt(Calendar createdAt) { this.createdAt = createdAt; } } Thursday, December 8, 11

ENTERPRISE

ENTERPRISEWAR

JAX-RPC

StrutsSpring

JAX-WS

Java-FX

JNDIRMI

JAXB JDOJAX-RS

JAXR JSTL StAX

JDOMAWTSwing

JVM JME

NIO JSP

JREPOJO

JavaBean

EJBQLJPQL

Mas escala né?!

Scala ClojureJython

DynJSRhino Groovy

RubyMais expressiva que Java

class Beer attr_accessor :beer_id, :description, :created_at end

“It is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.” - Abraham Maslow

JRubyJava + Ruby

require 'java' pdf = com.itextpdf.text.Document.new para = com.itextpdf.text.Paragraph.new 'Brought to you by JRuby' file = java.io.FileOutputStream.new 'pdf_demo.pdf' com.itextpdf.text.pdf.PdfWriter.get_instance pdf, file pdf.open pdf.add para pdf.close

“You get true multithreading that can use all your computer’s cores from one process, plus a virtual machine that’s been tuned for a decade and a half.”

Using JRuby - Bringing Ruby to Java

Server Side

Ruby AppRails

Sinatra

Apache/Nginx

Passenger/Thin

Sinatra

Apache/Nginx

Passenger/Thin

Ruby App

Sinatra

Apache/Nginx

Passenger/Thin

JobsResque/

DelayedJob

Ruby App

Sinatra

Apache/Nginx

Passenger/Thin

JobsResque/

DelayedJob

god/monit

Daemons

Ruby App

JBossTomcat

JBossHornetQ

JBossQuartz

JBossClustering

AS 7Redução do footprint de memória

Class loader modularQueda no tempo de startup

EE6 compliant

TorqueBox“The power of JBoss with the

expressiveness of Ruby”Jim Crossley - MagicRuby Conference

TorqueBox

InstalaçãoTorqueBox do zero

Pré-requisitos➜ java -versionjava version "1.6.0_07"Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

➜ jruby -S gem install torquebox torquebox-capistrano-support

➜ wget http://repository-torquebox.forge.cloudbees.com/release/org/torquebox/torquebox-dist/2.0.0.beta1/torquebox-dist-2.0.0.beta1-bin.zip➜ unzip torquebox-dist-2.0.0.beta1-bin.zip

➜ export TORQUEBOX_HOME=$PWD/torquebox-dist-2.0.0.beta1➜ export JBOSS_HOME=$TORQUEBOX_HOME/jboss➜ export JRUBY_HOME=$TORQUEBOX_HOME/jruby

➜ export PATH=$JRUBY_HOME/bin:$PATH

Rails rails new beer -m $TORQUEBOX_HOME/share/rails/template.rb

EstruturaDiretórios do TorqueBox

Rake tasksrake torquebox:deployrake torquebox:undeployrake torquebox:run

DeploymentMake knobs, not WAR!

beer-knob.yml application: root: /Users/Bruno/javaonebrasil/beer environment: development

Aplicação

Gemfile

source "http://torquebox.org/2x/builds/584/gem-repo" source 'http://rubygems.org' gem 'rails', '3.1.1' gem 'activerecord-jdbcsqlite3-adapter' gem 'jruby-openssl' gem 'json' gem 'jquery-rails'

gem "torquebox-rake-support", "2.x.incremental.584" gem "torquebox", "2.x.incremental.584"

WebRack, Sinatra, Rails

Cachingclass BeersController < ApplicationController caches_action :most_popular, :expires_in => 30.seconds def most_popular @popular_beers = Beer.most_popular(:limit => 25) end end

Clustering➜ torquebox run --clustered

class TorqueBoxCommand < Thor TASK_ORDER = %w(deploy undeploy start cli env help) map "run" => "start" desc "run", "Run TorqueBox" method_option :clustered, :type => :boolean, :desc => "Run TorqueBox in clustered mode" def start setup_environment TorqueBox::DeployUtils.run_server(:clustered => options.clustered, :max_threads => options['max-threads'], :bind_address => options['bind-address']) endend

Internals

Cache distribuído!

mod_clusterhttpd-based load balancer

InfinispanCaching

InvalidationCache

Server1Cache

Server2

InvalidationCache

Server1Cache

Server2

Notificação

CacheDesatualizado

../config/application.rbmodule Beer class Application < Rails::Application config.cache_store = :torque_box_store end end

ReplicatedCache

Server1

CacheServer2

../config/application.rbmodule Beer class Application < Rails::Application config.cache_store = :torque_box_store, {:mode => replicated, :sync =>false} end end

SchedulingAgendamento de Jobs

Internalspublic class RubyJobProxy implements Job { @Override public void execute(JobExecutionContext context) throws JobExecutionException { Ruby ruby = null; try { ruby = this.runtimePool.borrowRuntime( resolver.getComponentName() ); JobComponent job = (JobComponent)resolver.resolve( ruby ); job.run(); } catch (Exception e) { throw new JobExecutionException( e ); } finally { if (ruby != null) { this.runtimePool.returnRuntime( ruby ); } } }

../app/jobsclass JobDemo def initialize #Codigo de inicializacao end def run # O que você quer executar end end

../config/torquebox.ymljobs: sync_agenda: job: JobDemo cron: '0 0 12 * * ?'end

MensageriaJava Messaging Service + HornetQ

O Ministério da Saúde adverte:

NOSQL COMO MENSAGERIA PODE

TRAZER DANOS A SUA SAÚDE E A DE SEUS FAMILIARES

RAILS APP

GreenfieldREST + NoSQL

SINATRA APP

Request/Responsext

pub/sub

RAILS APP

Real WorldNobody Cares!

MAINFRAME

Request/Responsext

pub/sub

../config/torquebox.yml/topics/beerTopic/queues/queueBeer:

Tasksclass EmailerTask < TorqueBox::Messaging::Task def send_welcome(payload) to = "#{payload[:name]} <#{payload[:address]}>" # send welcome email to the user end end

Tasksclass UserController < ApplicationController def register user = User.new(params[:user]) EmailerTask.async(:send_welcome, :address => user.email, :name => user.name) end end

Processorsinclude TorqueBox::Messaging class PrintHandler < MessageProcessor def on_message(body) puts "Processing #{body} of #{message}" end def configure(opts) @color = opts['color'] end end

Queuesinclude TorqueBox req = Messaging::Queue.new '/queues/questions' res = Messaging::Queue.new '/queues/answers' Thread.new do req.publish "What time is it?" puts res.receive( :timeout => 1000 ) end

Future

class EmailerTask def send_welcome(payload) to = "#{payload[:name]} <#{payload[:address]}>" # long running task end end

Future

class EmailerTask

include TorqueBox::Messaging::Backgroundable always_background :send_welcome

def send_welcome(payload) to = "#{payload[:name]} <#{payload[:address]}>" # long running task end end

Future

future = @emailTask.send_welcome(:send_welcome)

future.started? future.complete? future.error?

future.resultfuture.result(10000)

Future

Services

class BeerService def initialize @queue = Messaging::Queue.new(“beer”) end def start @queue.publish “Testing” end def stop # O que fazer quando o serviço receber um stop end end

Services

Singleton Services

Server1 Server2

Clustered

BeerService BeerService

Singleton Services

Server1 Server2

Clustered

BeerService BeerService

Services➜ torquebox run --clustered

../config/torquebox.ymlservices: BeerService: singleton: true end

CDIInjeção de dependências

Pra quê?

Javapackage br.com.javaonebrasil;

public class Beer { //gets e sets public void say(String message) { // Execução do método }}

Deploy do jar na aplicaçãoapp/models/views/controllers/lib/beer.jar

Rubyclass BeerController < ApplicationController

include TorqueBox::Injectors

def create beer = inject(br.com.javaonebrasil.Beer ) beer.say “Ruby is for Java” end

JNDIclass MyService include TorqueBox::Injectors def initialize opts={} @factory = inject("java:comp/env/jdbc/myDB") end end

Destinationsclass MyService include TorqueBox::Injectors def initialize opts={} @inbound = inject("/topic/beerpub") @outbound = inject("/queue/beer") end end

Transactions

Rails Application

Queue Database Infinispan

XA Distributed, multi resource transaction

XA (2PC)HornetQ ✔

TorqueBox + ActiveRecord ✔Infinispan ✔

Outras featuresAutenticação + Websockets

BackStage

Stomp BoxTorqueBox deployment support

What’s next?

Polyglot

QueueQueue

Immutant

TorqueBox

Getting started

Installing TorqueBox 2.0 http://vimeo.com/33299335

Comunidade

irc.freenode.net #torquebox http://torquebox.orghttp://github.com/torqueboxtwitter: @torquebox

Creative Commons BY-SA 3.0

Obrigado!@abstractj

http://github.com/abstractj

TorqueBox - When Java meets Ruby

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