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Spring Roo and the Cloud

Spring Roo and the Cloud. Shekhar Gulati. Hi, my name is...Shekhar Gulati. Work for Xebia India Spring enthusiast (these days  ) Blogger and Writer(JavaLobby and Developer.com) sgulati@xebia.com Twitter : shekhargulati. Agenda. Introducing Roo Demo for Unbelievers Under the Hood

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Spring Roo and the Cloud

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  1. Spring Roo and the Cloud Shekhar Gulati

  2. Hi, my name is...Shekhar Gulati • Work for Xebia India • Spring enthusiast (these days ) • Blogger and Writer(JavaLobby and Developer.com) • sgulati@xebia.com • Twitter : shekhargulati

  3. Agenda • Introducing Roo • Demo for Unbelievers • Under the Hood • Capability areas (lots of demo) • Cloud Support • Removing Roo • Conclusion and Q&A

  4. Spring’s Mission • #J2EE or JavaEE should be easier to use

  5. Mission Accomplished ! • Now What?

  6. Spring Roo Development Tool

  7. Spring Roo Mission • Roo's mission is to • fundamentally and sustainably • improve Java developer • productivity without • compromising engineering • integrity or flexibility

  8. What is Roo? • Rapid Development Tool for Spring • Development time only • No Runtime • No Negative Performance Impact • No Memory Overhead • No Roo Deployment • Uses Best of Breed • Spring 3, Spring Security, Spring MVC / Web Flow • Junit, Log4J, Maven, AspectJ, Eclipse

  9. Why should we use Roo? • Easy Configuration • Great Learning Tool • Spring Best Practices • Restful Web Services, JPA persistence, Security, Integration tests, Selenium test cases, JMS • Standards • Bean validation, Dependency Injection • Powerful Features • GWT, SOLR, DBRE, NoSQL, Spring Integration (coming soon)

  10. Demo for Unbelievers • Demo # 1 – A Simple Web Application

  11. Features Covered • Project management • Persistence • Entity support • Field Management • JUnit testing • Spring MVC Controllers, Selenium testing • Logging

  12. Under the Hood • Implementation Overview • Code Generation

  13. Implementation Overview

  14. Code Generation Approach • Passive Generation • Active Generation • Roo is a Hybrid code generation

  15. Active Generation

  16. Demo # 2 Let’s Secure the app

  17. Demo # 3 Speaker should get an Email

  18. Demo # 4 Application speak Dutch

  19. Demo # 5 How social is your app?

  20. Demo # 6 Have an Existing Database

  21. Cloud Support

  22. # Demo 7 – Moving to Cloud • Changes to make • persistence setup (Google App Engine) • gwt set up • add aspects for key generation • Remove constraints (unique) • do mvn gwt:compile gae:deploy

  23. Issues on Google App Engine • Spring MVC app does not work • Relationships do not work • Integration tests do not work (ROO-1711) • Constraints do not work • Enum does not work

  24. Removing Roo from app • Use AJDT's "push-in refactoring" feature • This moves the Roo .aj content into normal .java files • Remove @Roo* annotations from .java files • Regular expression (\n.*Roo.*\n) find/replace in eclipse • Remove Roo's annotation JAR from your POM • dependency remove command

  25. Features Not Covered • JMS support • JSON support • SOLR support (Search) • Spring Web Flow • Add-on creation

  26. Future Sneak Peak • Spring Integration support • Better Google App Engine support • More view technologies support • NoSQL support • Ne04j

  27. Resources & Links • Home http://www.springsource.org/roo/ • Forum http://forum.springsource.org • Issues http://jira.springframework.org/browse/ROO • Twitter @SpringRoo • Twitter #roo hash key • https://github.com/shekhargulati/spring-roo-playground

  28. Conclusion and Q & A • Roo delivers serious productivity gains for Java • Popular, mature libraries you already know • Easy to learn and use • No runtime, no lock-in, no risk • ITDs separate clearly generated from non-generated code • Questions?

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