TorqueBox - Ultrapassando a fronteira entre Java e Ruby

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Além da fronteira entre Java & Ruby

Friday, November 4, 2011

@abstractjJava há 12 anos, Ruby n00b

TorqueBox Contributor

DynJS Contributor

Caelum & ConcreteS


DISCLAIMER


nooooooooooooooo!

Java

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; } } Friday, November 4, 2011

ENTERPRISE


ENTERPRISE

WAR

JAX-RPC

StrutsSpring

JAAS

EJB

JNI

EAR

SOA

JAX-WS

JSF

Java-FX

JNDIRMI

JMX

JAXP

JAXB JDOJAX-RS

JAXRJSTL StAX

JAF

JDOMAWTSwing

JEE

JSE

JCP

JVM JME

NIO JSP

JREPOJO

JavaBean

EJBQLJPQL

NPE


Mas escala né?!


JVM

Scala ClojureJython

DynJSRhino Groovy


RubyMais expressiva que Java

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


DRY


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

JRuby


“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

Rack

Sinatra

Apache/Nginx

Passenger/Thin


Rails

Rack

Sinatra

Apache/Nginx

Passenger/Thin

crond

Jobs

Ruby App


Rails

Rack

Sinatra

Apache/Nginx

Passenger/Thin

crond

JobsResque/

DelayedJob

Tasks

Ruby App


Rails

Rack

Sinatra

Apache/Nginx

Passenger/Thin

crond

JobsResque/

DelayedJob

Tasks

god/monit

Daemons

Ruby App


JBossTomcat


JBossHornetQ


JBossQuartz


JBossClustering


TorqueBox“The power of JBoss with the

expressiveness of Ruby”Jim Crossley - MagicRuby Conference


TorqueBox


InstalaçãoTorqueBox do zero


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


➜ wget http://torquebox.org/builds/LATEST/torquebox-dist-bin.zip➜ unzip torquebox-dist-bin.zip

➜ export TORQUEBOX_HOME=$PWD/torquebox-2.x➜ export JBOSS_HOME=$TORQUEBOX_HOME/jboss➜ export JRUBY_HOME=$TORQUEBOX_HOME/jruby

➜ export PATH=$JRUBY_HOME/bin:$PATH


http://torquebox.org/torquebox-dev.zip




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/rubyconfbr/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_cluster


InfinispanCaching


Invalidation

CacheServer1

CacheServer2


Invalidation

CacheServer1

CacheServer2

NEW

Notificação

CacheDesatualizado


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


Replicated

CacheServer1

CacheServer2

CacheServer2

CacheServer2

Sync

Sync


../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 ); watchDog(context); 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

NoSQL


RAILS APP

Real WorldNobody Cares!

MAINFRAME

Request/Responsext

pub/sub

NoSQL


../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


Services➜ torquebox run --clustered

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


CDIInjeção de dependências


Pra quê?


Javapackage br.com.rubyconf;

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.rubyconf.Beer ) beer.say “Ruby is for Java” end

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


Outras featuresAutenticação + Websockets + XA (2PC)


BackStage


Stomp BoxTorqueBox deployment support


Comunidade

irc.freenode.net #torquebox

http://torquebox.org

http://github.com/torquebox

twitter: @torquebox




https://torquebox.ci.cloudbees.com/

https://torquebox.ci.cloudbees.com/

Creative Commons BY-SA 3.0

Obrigado!@abstractj

http://github.com/abstractj




TorqueBox - Ultrapassando a fronteira entre Java e Ruby

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