Why I Love TorqueBox (And Why You Will Too)

Why I Love T (And Why You Will Too) Ben BrowningCreative Commons BY-SA 3.0 JRubyConf 2011

Ben Browning•TorqueBox Core Contributor•Red Hat Senior Engineer•Writes Java So You Don’t Have To•@bbrowning

TorqueBox Team

What Is TorqueBox?

What Is TorqueBox? +

TorqueBox Application ServerSinatra Rails Rack Tasks Procs Jobs Daemons Web Messaging Scheduling Services JBoss AS Clustering Load Balancing HA

TorqueBox AS•applications & Rack Rails, Sinatra,

TorqueBox AS•applications & Rack Rails, Sinatra,•More than just web •Messaging •Jobs •Services •Caching

TorqueBox ASNo XML and no Java

TorqueBox ASNo XML and no Java (unless youwant to)

TorqueBox Versions•JBoss AS6 Releases based on 1.x Stable•on JBoss AS7 Releases based 2.x Incremental•We’ll concentrate on 2.x

Installation & Usagegem install torquebox-server*torquebox deploy ~/my_ruby_apptorquebox run*http://bit.ly/tb_gem

Develop As UsualEdit your application code,refresh your browser, and seeyour changes reflected.

The UnusualWhat Makes TorqueBox Different?

Backgroundable

Regular Classclass Something def foo end def bar endend

Blocking Invocationssomething = Something.newsomething.foosomething.bar

Backgroundableclass Something include TorqueBox::Messaging::Backgroundable def foo end def bar endend

Non-Blocking Invocationssomething = Something.newsomething.background.foosomething.background.bar

See The Futuresomething = Something.newfuture = something.background.foo

See The Futurefuture.started?future.complete?future.error?future.result

See The Futureclass Something def foo ... count += 1 future.status = count ... endend

See The Future# on the client sidefuture.status_changed?future.status # => 42

Messaging

Message Processorsapp/models/print_handler.rbinclude TorqueBox::Messagingclass PrintHandler < MessageProcessor def on_message(body) puts "Processing #{body} of #{message}" endend

Message Processorsconfig/torquebox.ymlmessaging: /queues/receipts: PrintHandler: concurrency: 5

Scheduled Jobs

Scheduled Jobsapp/jobs/newsletter_sender.rbclass NewsletterSender def run() subscriptions = Subscription.ﬁnd(:all) subscriptions.each do |e| send_newsletter(e) end end end

Scheduled Jobsconfig/torquebox.ymljobs: monthly_newsletter: description: ﬁrst of month job: NewsletterSender cron: ‘0 0 0 1 * ?’

Services

Servicesapp/services/time_machine.rbclass TimeMachine def initialize(opts) @queue = Queue.new(opts[queue]) end def start Thread.new { run } end def stop @done = true endend

Servicesapp/services/time_machine.rbclass TimeMachine def run until @done @queue.publish(Time.now) sleep(1) end endend

Servicesconfig/torquebox.ymlservices: TimeMachine: queue: /queue/morris_day

Caching

Rails Caching config/application.rbmodule MyApp class Application < Rails::Application ... conﬁg.cache_store = :torque_box_store endend

Explicit Cachinginclude ActiveSupport::CachemyCache = TorqueBoxStore.new(:name => MyCache, :mode => :replicated, :sync => true)

Why I Love TorqueBox

Batteries Included

Clusteringtorquebox run --clustered

Better Java Integration•side Java and Ruby side-by- Deploy•Java and Ruby applications Shared web sessions between•CDI, objectsJava components - Injection of bound to JNDI, etc•consume in Ruby and vice-versa Send JMS messages in Java to

Why You’ll Love TorqueBox

OpenThe entire TorqueBox communityis open, not just our code.Get involved and make adifference.

Corporate BackingRed Hat pays a team of developers towork on TorqueBox full-time.Confidence that when the time comes,someone will be there to help with yourquestions.

Resources•http://torquebox.org•https://github.com/torquebox•#torquebox on FreeNode•@torquebox on Twitter

Questions? Don’t Be ShyImage Attributions:Mailboxes - http://www.flickr.com/photos/joanet/5094833752/Now and Laters - http://www.flickr.com/photos/jcorduroy/3725077603/Hand Calendar - http://www.flickr.com/photos/joelanman/366190064/Cruise Ship Staff - http://www.flickr.com/photos/maethlin/2547037443/Self Storage - http://www.flickr.com/photos/64588532@N02/5882291769/

http://torquebox.org	3546
http://www.jboss.org	779
http://thinkingconcurrently.com	495
http://planet.jboss.org	155
http://lanyrd.com	49
http://abtasty.com	17
http://staging.torquebox.org	15
http://localhost:4242	8
http://twitter.com	6
http://www.hanrss.com	5
https://twitter.com	3
http://planet-stg.jboss.org	1
http://207.46.192.232	1
http://torquebox.dev	1
http://translate.googleusercontent.com	1
http://localhost	1

Why I Love TorqueBox (And Why You Will Too)

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