JRuby in The Enterprise

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Leonardo Borges

Code on github: https://github.com/leonardoborges/railssummit09

Technologie

JRuby in the Enterprise
Leonardo Borges

Sunday, October 4, 2009

Who am I?
• Consultant at ThoughtWorks Australia
(former developer at HotelSearch.com)
• Open source contributions
- Rails
- JRuby
- rcov_plugin
- readable_test_names_runner
• Blogger
• www.leonardoborges.com
• First time speaker

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?
• Ruby?

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?
• Ruby?
• Rails?

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?
• Ruby?
• Rails?
• Java?

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?
• Ruby?
• Rails?
• Java?
• JRuby?

JRuby in the Enterprise
Sunday, October 4, 2009

Who are you?
• Ruby?
• Rails?
• Java?
• JRuby?

Why are you here?

JRuby in the Enterprise
Sunday, October 4, 2009

Why JRuby?

• Better threading support • Leverage the knowledge
• Improved performance of an existing team
• Java integration (with a • Reuse existing logic
vast array of libraries) • Testing
• Active community
• Full Ruby 1.9 support on
the way

JRuby in the Enterprise
Sunday, October 4, 2009

...but before we get dirty
Java integration: Ruby meets swing

JRuby in the Enterprise
Sunday, October 4, 2009

JavaRuby meets swing
Integration
frame = javax.swing.JFrame.new("Hello Rails Summit 2009!")
frame.setDefaultCloseOperation(javax.swing.JFrame::EXIT_ON_CLOSE)
frame.setSize(java.awt.Dimension.new(200,200))
label = javax.swing.JLabel.new("JRuby rocks!")
frame.getContentPane.add(label, java.awt.BorderLayout::CENTER)
frame.setVisible(true)

JRuby in the Enterprise
Sunday, October 4, 2009

JavaRuby meets swing
Integration
frame = javax.swing.JFrame.new("Hello Rails Summit 2009!")
frame.default_close_operation = javax.swing.JFrame::EXIT_ON_CLOSE
frame.size = java.awt.Dimension.new(200,200)
label = javax.swing.JLabel.new("JRuby rocks!")
frame.content_pane.add(label, java.awt.BorderLayout::CENTER)
frame.visible = true

JRuby in the Enterprise
Sunday, October 4, 2009

Case Study
Introducing JTasks

JRuby in the Enterprise
Sunday, October 4, 2009

Extending the Case Study
listing tasks with JRuby

JRuby in the Enterprise
Sunday, October 4, 2009

What’s next?
JRuby 1.4 RC1 is out...
• 1.8.7 compatible
• Improved 1.9 Compatibility
• Java method selection and Coercion API
• Ruby2Java in the core API
• and more...

JRuby in the Enterprise
Sunday, October 4, 2009

Conclusion

JRuby in the Enterprise
Sunday, October 4, 2009

Q&A

JRuby in the Enterprise
Sunday, October 4, 2009

References
• www.engineyard.com/blog
• www.jruby.org
• www.leonardoborges.com
• github.com/leonardoborges/readable_test_names_runner

Slides / Source code
• http://github.com/leonardoborges/railssummit09

JRuby in the Enterprise
Sunday, October 4, 2009

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JRuby in The Enterprise

1. JRuby in the Enterprise Leonardo Borges Sunday, October 4, 2009

2. JRuby in the Enterprise Leonardo Borges Sunday, October 4, 2009

3. Who am I? • Consultant at ThoughtWorks Australia (former developer at HotelSearch.com) • Open source contributions - Rails - JRuby - rcov_plugin - readable_test_names_runner • Blogger • www.leonardoborges.com • First time speaker JRuby in the Enterprise Sunday, October 4, 2009

4. Who are you? JRuby in the Enterprise Sunday, October 4, 2009

5. Who are you? • Ruby? JRuby in the Enterprise Sunday, October 4, 2009

6. Who are you? • Ruby? • Rails? JRuby in the Enterprise Sunday, October 4, 2009

7. Who are you? • Ruby? • Rails? • Java? JRuby in the Enterprise Sunday, October 4, 2009

8. Who are you? • Ruby? • Rails? • Java? • JRuby? JRuby in the Enterprise Sunday, October 4, 2009

9. Who are you? • Ruby? • Rails? • Java? • JRuby? Why are you here? JRuby in the Enterprise Sunday, October 4, 2009

10. Why JRuby? • Better threading support • Leverage the knowledge • Improved performance of an existing team • Java integration (with a • Reuse existing logic vast array of libraries) • Testing • Active community • Full Ruby 1.9 support on the way JRuby in the Enterprise Sunday, October 4, 2009

11. ...but before we get dirty Java integration: Ruby meets swing JRuby in the Enterprise Sunday, October 4, 2009

12. JavaRuby meets swing Integration frame = javax.swing.JFrame.new("Hello Rails Summit 2009!") frame.setDefaultCloseOperation(javax.swing.JFrame::EXIT_ON_CLOSE) frame.setSize(java.awt.Dimension.new(200,200)) label = javax.swing.JLabel.new("JRuby rocks!") frame.getContentPane.add(label, java.awt.BorderLayout::CENTER) frame.setVisible(true) JRuby in the Enterprise Sunday, October 4, 2009

13. JavaRuby meets swing Integration frame = javax.swing.JFrame.new("Hello Rails Summit 2009!") frame.default_close_operation = javax.swing.JFrame::EXIT_ON_CLOSE frame.size = java.awt.Dimension.new(200,200) label = javax.swing.JLabel.new("JRuby rocks!") frame.content_pane.add(label, java.awt.BorderLayout::CENTER) frame.visible = true JRuby in the Enterprise Sunday, October 4, 2009

14. Case Study Introducing JTasks JRuby in the Enterprise Sunday, October 4, 2009

15. Extending the Case Study listing tasks with JRuby JRuby in the Enterprise Sunday, October 4, 2009

16. What’s next? JRuby 1.4 RC1 is out... • 1.8.7 compatible • Improved 1.9 Compatibility • Java method selection and Coercion API • Ruby2Java in the core API • and more... JRuby in the Enterprise Sunday, October 4, 2009

17. Conclusion JRuby in the Enterprise Sunday, October 4, 2009

18. Q&A JRuby in the Enterprise Sunday, October 4, 2009

19. References • www.engineyard.com/blog • www.jruby.org • www.leonardoborges.com • github.com/leonardoborges/readable_test_names_runner Slides / Source code • http://github.com/leonardoborges/railssummit09 JRuby in the Enterprise Sunday, October 4, 2009

JRuby in The Enterprise

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