The document outlines the evolution of the Java EE platform, including past, present, and future directions. It discusses Java EE 6 features like the core programming model, top 10 favorite features, and sample applications. It also discusses the future of Java EE for the cloud, including tighter requirements for resource management, common APIs, and modularity through explicit dependencies and versioning between application modules.

1. <Insert Picture Here>
Java EE : The Evolution of a Platform
Arun Gupta, Java EE & GlassFish Guy
blogs.oracle.com/arungupta, @arungupta
Friday, May 13, 2011

2. The following is intended to outline our general product
direction. It is intended for information purposes only,
and may not be incorporated into any contract. It is
not a commitment to deliver any material, code, or
functionality, and should not be relied upon in making
purchasing decisions.
The development, release, and timing of any features
or functionality described for Oracle’s products remains
at the sole discretion of Oracle.
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3. Java EE 6 Platform
December 10, 2009
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4. The Core Programming Model Explained
Web Container JSP 2.2
Extensions JAX-RS 1.1 JSF 2.0 JSTL 1.2
CDI
Extensions
Servlet 3.0 / EL 2.2
Bean
DI 1.0 / CDI 1.0 / Interceptors 1.1 / JSR 250 1.1 Validation
1.0
Managed Beans 1.0 EJB 3.1
JPA 2.0 / JTA 1.1
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5. Top 10 Favorite Features in Java EE 6
10. Web Profile
09. EJB no interface view
08. EJB Timer Service
07. EJBContainer API
06. JSF standardizing on facelets
05. CDI events
04. CDI injection (with no Strings involved)
03. Optional web.xml
02. Servlet and CDI extension points
01. EJB packaging in WAR
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6. Java EE 6 Sample Application
PrimeFaces
Browser JSF EJB/CDI JPA
Database
REST JPA
Client
Jersey Client
API
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7. Sample tweet :-)
#Javaone is the best Java conference
in the world. #Oracle rocks!
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8. Future<Java_EE>
<Insert Picture Here>
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9. Java EE for the Cloud
• Tighter requirements for resource and state management
• Better isolation between applications
• Potential standard APIs for NRDBMS, caching, other
• Common management and monitoring interfaces
• Better packaging
• Evolution, not revolution
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10. Cloud Platform
Application
Java Persistence Queueing
…
Service Service Service
State Management
Virtualization Layer
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11. Cloud Platform
Application
Code Code Code QoS
Schema Migration Security …
Module Module Module Information
Java Persistence Queueing
…
Service Service Service
State Management
Virtualization Layer
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12. Cloud Platform
Application Application Application
Java Persistence Queueing
…
Service Service Service
State Management
Virtualization Layer
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13. Cloud Platform
Application Application Application Application Application
Java Persistence Queueing
…
Service Service Service
State Management
Virtualization Layer
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14. Cloud Platform
Managed Environment
Application Application Application Application Application
Java Persistence Queueing
…
Service Service Service
State Management
Virtualization Layer
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15. Modularity
• Build on Java SE 8 work
• Applications made of modules
• Dependencies are explicit
• Versioning is built-in
• Classloaders straightened out
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16. Modular Applications
j1demo.app
j1demo-web-1.0.3
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17. Modular Applications
j1demo.app
twitter-client-2.3.0
j1demo-web-1.0.3 requires
j1demo-persist-1.4.0
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18. Modular Applications
j1demo.app
twitter-client-2.3.0
j1demo-web-1.0.3
j1demo-persist-1.4.0
requires
javaee-web-7.0
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19. Modular Applications
j1demo.app
twitter-client-2.3.0
j1demo-web-1.0.3
j1demo-persist-1.4.0 requires
requires
javaee-web-7.0 jpa-2.1 jax-rs-2.0
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20. Modular Applications
j1demo.app
twitter-client-2.3.0
j1demo-web-1.0.3
j1demo-persist-1.4.0
javaee-web-7.0 jpa-2.1 jax-rs-2.0
implements
gf-appserver-4.0.1
…
…
……
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21. Modular Applications
j1demo.app
twitter-client-2.3.0
j1demo-web-1.0.3
j1demo-persist-1.4.0
javaee-web-7.0 jpa-2.1 jax-rs-2.0
implements
gf-appserver-4.0.1 implements
eclipselink-2.1.3
…
…
…… jersey-2.0.5
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22. Modular Applications
j1demo.app
twitter-client-2.4.0 jax-rs-2.1
j1demo-web-1.0.3
j1demo-persist-1.4.0 jersey-2.1.1
javaee-web-7.0 jpa-2.1
gf-appserver-4.0.1
eclipselink-2.1.3
…
…
…… jersey-2.0.5
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23. Modular Applications
j1demo.app
twitter-client-2.4.0 jax-rs-2.1
j1demo-web-1.0.3
j1demo-persist-1.4.0 jersey-2.1.1
javaee-web-7.0 jpa-2.1 jax-rs-2.1
gf-appserver-4.1.5
eclipselink-2.1.3
…
…
…… jersey-2.1.5
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24. Java EE 7 Content (so far)
• Filed and voted ! • Other
– Java EE 7 (JSR 342) – JCache revived (JSR 107)
– JPA 2.1 (JSR 338) – Concurrency Utilities (236)
– JAX-RS 2.0 (JSR 339) – MRs: JSR250, JAX-WS 2.3,
– Servlet 3.1 (JSR 340) JTA 1.2, JSP 2.3, connectors
– JSF 2.2 (JSR 344) • Yet to be filed
– EL 3.0 (JSR 341) – Bean Validation 1.1
– JMS 2.0 (JSR 343) – JSR-330 1.1
– EJB 3.2 (JSR 345) – JSON 1.0
– CDI 1.1 (JSR 346)
All Oracle-led JSRs as open projects on java.net
Publicly viewable, archived expert group mailing list. JIRA, wiki, ...
Ex: http://jpa-spec.java.net
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25. Java EE 7 - When?
• Late 2012
• Date-driven release
– (anything not ready will be deferred to Java EE 8)
• Participate !
– Expert Groups still forming, consider joining
– JCP membership free for individuals
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26. Java EE 6 Platform
Available Today
http://www.oracle.com/javaee
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