java ee technical keynote - javaone india 2011

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Java EE : The Evolution of a Platform

Arun Gupta, Java EE & GlassFish Guyblogs.oracle.com/arungupta, @arungupta

Friday, May 13, 2011

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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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Java EE 6 PlatformDecember 10, 2009


The Core Programming Model Explained

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JPA 2.0 / JTA 1.1

Managed Beans 1.0 EJB 3.1

DI 1.0 / CDI 1.0 / Interceptors 1.1 / JSR 250 1.1Bean

Validation1.0

Servlet 3.0 / EL 2.2

JAX-RS 1.1 JSF 2.0 JSP 2.2JSTL 1.2

Web ContainerExtensions

CDIExtensions


Top 10 Favorite Features in Java EE 6

10. Web Profile09. EJB no interface view08. EJB Timer Service07. EJBContainer API06. JSF standardizing on facelets05. CDI events04. CDI injection (with no Strings involved)03. Optional web.xml02. Servlet and CDI extension points01. EJB packaging in WAR

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http://web.xml

http://web.xml

Java EE 6 Sample Application

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Browser

Database

JPA

JPAJSF EJB/CDI

RESTClient

Jersey ClientAPI

PrimeFaces


Sample tweet :-)

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#Javaone is the best Java conference in the world. #Oracle rocks!


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Future<Java_EE>


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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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Cloud Platform

Application

Virtualization Layer

State Management

JavaService

PersistenceService

QueueingService …


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Cloud Platform

ApplicationCode

ModuleCode

Module Schema Migration QoS InformationSecurityCode

Module …


State Management

JavaService

PersistenceService

QueueingService …


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Cloud Platform

Application Application Application


State Management

JavaService

PersistenceService

QueueingService …


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Cloud Platform

Application Application Application Application Application


State Management

JavaService

PersistenceService

QueueingService …


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Cloud Platform

Managed Environment

Application Application Application


State Management

JavaService

PersistenceService

QueueingService …

Application Application


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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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Modular Applications

j1demo.app

j1demo-web-1.0.3


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j1demo.app

requirestwitter-client-2.3.0

j1demo-web-1.0.3j1demo-persist-1.4.0


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j1demo.app

javaee-web-7.0

requires

twitter-client-2.3.0

j1demo-persist-1.4.0j1demo-web-1.0.3


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j1demo.app

requires

requires

javaee-web-7.0


jax-rs-2.0jpa-2.1



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j1demo.app

javaee-web-7.0

implements


jax-rs-2.0jpa-2.1

…………

gf-appserver-4.0.1



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j1demo.app

gf-appserver-4.0.1

implements

eclipselink-2.1.3

jersey-2.0.5

javaee-web-7.0

implements


jax-rs-2.0jpa-2.1

…………



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j1demo.app

jersey-2.1.1

javaee-web-7.0

twitter-client-2.4.0 jax-rs-2.1

jpa-2.1

…………

gf-appserver-4.0.1eclipselink-2.1.3

j1demo-web-1.0.3

jersey-2.0.5

j1demo-persist-1.4.0


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jersey-2.1.5

javaee-web-7.0


jax-rs-2.1jpa-2.1

…………

gf-appserver-4.1.5eclipselink-2.1.3

jersey-2.1.1

jax-rs-2.1j1demo.app



Java EE 7 Content (so far)

• Filed and voted !– Java EE 7 (JSR 342)– JPA 2.1 (JSR 338)– JAX-RS 2.0 (JSR 339)– Servlet 3.1 (JSR 340)– JSF 2.2 (JSR 344)– EL 3.0 (JSR 341)– JMS 2.0 (JSR 343)– EJB 3.2 (JSR 345)– CDI 1.1 (JSR 346)

• Other– JCache revived (JSR 107)– Concurrency Utilities (236)– MRs: JSR250, JAX-WS 2.3,

JTA 1.2, JSP 2.3, connectors• Yet to be filed

– Bean Validation 1.1– JSR-330 1.1– JSON 1.0

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All Oracle-led JSRs as open projects on java.netPublicly viewable, archived expert group mailing list. JIRA, wiki, ...Ex: http://jpa-spec.java.net


http://jpa-spec.java.net

http://jpa-spec.java.net

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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Java EE 6 Platform

Available Today

http://www.oracle.com/javaee




java ee technical keynote - javaone india 2011

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