Video and slides synchronized, mp3 and slide download available at http://bit.ly/ZVLJ4I. Jeff Brown discusses how Grails enables polyglot web development, with a focus on Scala and Clojure, and explains what it takes to add support for new languages. Filmed at qconsf.com. Jeff Brown is a Senior Software Engineer with SpringSource and a core member of the Grails development team. Jeff has been involved in designing and building object oriented systems for over 15 years. Jeff's areas of expertise include web development with Groovy & Grails, Java and agile development.

1. Polyglot Web Development
With Grails 2
QCon SF 2012
Jeff Brown
Grails Core Developer
SpringSource
jbrown@vmware.com
@jeffscottbrown

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Watch the video with slide
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http://www.infoq.com/presentations
/Polyglot-Grails-2

3. Presented at QCon San Francisco
www.qconsf.com
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Strategy
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change and innovation in your teams
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Highlights
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4. Polyglot?
“In
the
context
of
compu/ng,
a
polyglot
is
a
computer
program
or
script
wri9en
in
a
valid
form
of
mul/ple
programming
languages,
which
performs
the
same
opera/ons
or
output
independently
of
the
programming
language
used
to
compile
or
interpret
it.”
h"p://en.wikipedia.org/wiki/Polyglot_(compu:ng)

5. Languages On The JVM
Java
Groovy
Clojure
Scala
JRuby
Etc...The
Polyglot
Man
-­‐
Orange,
1969
Miró,
Joan
(1893-­‐1983)

6. Grails?
Full Stack Web Flatform
build system down to ORM etc...
Leverages Proven Staples
Spring, Hibernate, etc...
Extensible Plugin System

7. Best Of Breed
Spring
Hibernate
Groovy
Sitemesh
Tomcat
Java
Spring
Hibernate
Quartz
Java
Sitemesh
Groovy

8. The Grails Stack
The Java Virtual Machine
Groovy
Java
Enterprise
Edition (JEE)
Spring Hibernate SiteMesh
Grails
The Java Language
The Java Development
Kit (JDK)

9. Two Great Tastes...
“Hey! You Got Your
Clojure In My Grails!”
“Hey! You Got Your
Grails In My Clojure!”

10. Count The Languages...

11. Java Math Helper

12. Groovy Math Helper

13. Clojure Math Helper

14. Back To The Peanut Butter
Who Gets The Credit?
Grails?
Groovy?
Clojure?
Java?
The JVM?

15. In Action...
Demo Time
explore a simple polyglot app
a look under the hood

16. Q & A
Thank You!