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1 What's New with Java EE 6? John Clingan GlassFish Group Product Manager Harpreet Singh GlassFish Product Marketing Manager 1
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What's New with Java EE 6?
John ClinganGlassFish Group Product Manager
Harpreet SinghGlassFish Product Marketing Manager
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Java EE: Past & Present
JPEJPEProjectProject
J2EE 1.2J2EE 1.2
ServletServlet
JSPJSP
EJBEJB
JMSJMS
RMI/IIOPRMI/IIOP
Enterprise Java Enterprise Java PlatformPlatform
J2EE 1.3J2EE 1.3
CMPCMP
ConnectorConnectorArchitectureArchitecture
RobustnessRobustness
J2EE 1.4J2EE 1.4
WebWebServices Services
Management Management
DeploymentDeployment
Async. Async. ConnectorConnector
Java EE 5Java EE 5
Ease of Ease of Development Development
AnnotationsAnnotations
EJB 3.0EJB 3.0
PersistencePersistence
New and New and Updated Updated Web Services Web Services
Java EE 6
Pruning Extensibility Profiles Ease of Development
EJB Lite RESTful Services Dependency Ejection
Web Profile
WebWebServicesServices
Ease ofEase ofDevelopmentDevelopment
RightsizingRightsizing
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08/.../08 Over 18M DownloadsOver 18M Downloads
since FY'06since FY'06
Active Users
Java EE Adoption
FY 06 FY 07 FY 08 FY 090
2,000,000
4,000,000
6,000,000
8,000,000
10,000,000
12,000,000
Y/ Y D o w nlo a d G r o w t h
Downloads
4
Compatible Java EE 5 Implementations
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Java EE 6 Platform
• Rightsizing> Flexible> Lighter weight
• Extensible> Embrace Open Source
Frameworks
• Productive> Improve on Java EE 5
Goals
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Rightsizing the Platform: Profiles
• Decouple specifications to allow more combinations
• Expand potential licensee ecosystem
• Profiles> Targeted technology bundles> Web Profile
Platform Flexibility
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Rightsizing the Platform
• Fully functional mid-sized profile
• Actively discussed> Expert Group> Industry
• Technologies> Servlet 3.0, EJB Lite 3.1, JPA 2.0, JSP
2.2, EL 1.2, JSTL 1.2, JSF 2.0, JTA 1.1, JSR 45, Common Annotations
Web Profile
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Rightsizing the Platform
• Some technologies optional> Optional in next release> Deleted in subsequent release> Marked in Javadocs
• Pruning list> JAX-RPC> EJB 2.x Entity Beans> JAXR> JSR-85 (Rules based Auth & Audit)
Pruning (Deprecation)
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Rightsizing the Platform
• Embrace open source libraries and frameworks
• Zero-configuration, drag-n-drop web frameworks> Servlets, servlet filters> Framework context listeners
are discovered & registered
• Plugin library jars using Web Fragments
Extensibility
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Ease of Development
• Continue Java EE 5 advancements
• Primary focus: Web Tier
• Multiple areas easier to use: EJB 3.1
• General Principles> Annotation-based programming model> Reduce or eliminate need for
deployment descriptors> Traditional API for advanced users
Extensibility
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Ease of Development
Adding an EJB to a Web Application
BuyBooks.warBuyBooks.war ShoppingCartShoppingCartEJB ClassEJB Class
ShoppingCart.jarShoppingCart.jar
BuyBooks.earBuyBooks.ear
ShoppingCartShoppingCartEJB ClassEJB Class
BuyBooks.warBuyBooks.war
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Ease of Development - Annotations
Servlet in Java EE 5: Create two source files
<!--Deployment descriptor web.xml -->
<web-app>
<servlet><servlet-name>MyServlet
</servlet-name> <servlet-class> com.foo.MyServlet </servlet-class> </servlet> <servlet-mapping> <servlet-name>MyServlet </servlet-name> <url-pattern>/myApp/* </url-pattern> </servlet-mapping> ... </web-app>
/* Code in Java Class */
package com.foo;public class MyServlet extends HttpServlet {public void doGet(HttpServletRequest req,HttpServletResponse res)
{
...
}
...
}
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Ease of Development - Annotations
Java EE 6 Servlet: Single Source file (many cases)
package com.foo;@WebServlet(name=”MyServlet”, urlPattern=”/myApp/*”)public class MyServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
{...
}
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DemoJava EE 6
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Java Enterprise Edition 6
• Most public reviews complete• JSR 330 Recently added
> Revised schedule> Final release in Q4 2009
• GlassFish v3 Preview> Reference Implementation
Status
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Java Enterprise Edition 6
• Annotations for ease of development
• Optional web.xml• Better defaults• Web Framework pluggability• Asynchronous Processing
Servlet 3.0
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Java Enterprise Edition 6
• Useful for Comet, long waits• Must declare
@WebServlet(asyncSupported=true)
• Then CallAsyncContext ctx = ServletRequest.startAsync(req, res)
• AsyncContext can then either:dispatch(String path)start(Runnable action)
• Then paired with complete()
Servlet 3.0 Asynchronous API
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Java Enterprise Edition 6
• Ease-of-use improvements• No-interface view
> Once source file per bean
• EJB inside web applications> No ejb-jar> Use WEB-INF/classes> Shared component environment
• Portable JNDI
EJB 3.1
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Java Enterprise Edition 6
• Singleton beans: @Singleton> Shared state> One instance per bean per JVM> Container/Bean managed security
@ConcurrencyManagement
• Lightweight asynchronicity> Async business methods
@Asynchronous> Methods must return
void or Future <T>
EJB 3.1
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Java Enterprise Edition 6
• Enhanced EJB Timer Service> Cron-like scheduling> Initialization-time timer creation
@Schedule(dayOfWeek=”Mon/Wed”)
• Embeddable EJB Container> Use in JavaSE environments> Bootstrapping API
EJBContainer
EJB 3.1
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Java Enterprise Edition 6
Enterprise Java Beans 3.1 Features
EJB 3.1 Lite EJB 3.1
Local Session Beans PP PP Declarative Security PP PP
Transactions (CMT/BMT) PP PP Interceptors PP PP Security PP PP Message Driven Beans PP RMI/IIOP Interop. & Remote View PP EJB 2.x Backwards Compatability PP Timer Service PP Asynchronous PP
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Java Enterprise Edition 6
• Java Persistence Architecture 2.0> Improve object/relational mapping
• Java Contexts & Dependency Injection (AKA - “Web Beans”)
• Java Server Faces 2.0> AJAX> Simplified component creation
• JAX-RS 1.1 – RESTful services
Additional Features
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GlassFish v3
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Top Features
GlassFish v3
• Java EE 6 support• Developer Productivity• Modular• Extensible• Embeddable• Observable
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Java EE 6 Support
GlassFish v3
• Java EE 6 Reference Implementation
• Downloadable bundles*> Web Profile> Java EE 6
* https://glassfish.dev.java.net/public/downloadsindex.html
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GlassFish v3 Features
• Getting Started> Small download> Fast startup time> Intuitive user interface
• Using GlassFish> Low resource utilization> Command Line Interface> Maven support> Included in Netbeans and GlassFish Tools
Bundle for Eclipse> Rapid iterative development
Developer Productivity
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GlassFish v3 Features
• Modularity/OSGi
• Extensible
• RESTful administration API
• Fine-grained monitoring
Wait, there's more ...
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Flexible AdministrationFlexible Administration
GlassFish v3 Screen Snapshots
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Alternative Languages
GlassFish Enterprise Server v3
• Can deploy as web application• New to GlassFish v3
> Jruby/Jython modules> No web container> Dynamic pooling of JRuby
containers
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DemoUpdate Center
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Roadmap
GlassFish Enterprise Server v3
• GlassFish Enterprise Server v2.1 – Feb 2009
• GlassFish Enterprise Server v3 Prelude – Oct 2009
• GlassFish v3 – Nov 24, 2009*
* http://wiki.glassfish.java.net/Wiki.jsp?page=GlassFishV3Schedule
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Summary
Java EE 6 GlassFish v3
• Right-Sizing• Extensible• Ease of
use/development
• Java EE 6 • Modular• Extensible• Developer
productivity
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Enterprise Subscriptions
Sun GlassFish Enterprise Server
• 24x7x365 Support, Patches• Enterprise Manager• Supported releases
> GlassFish Enterprise Server v2.x> GlassFish Enterprise Server v3
Prelude
• Contact [email protected] to learn more
Sun Software Subscriptions - Paying at the point of value
Source Code• Binary Product• Simple Training• Security Help• Developer/Tools/Tips
Subscription Agreements• Global Phone and Web Support• Issue Escalation Process• Subscription-only Product Features• Traditional Contractual Coverages• Services & Training
Open Source Supported Software
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GlassFish Enterprise Server
Sun software - a simple approach to support
You may use phone or web to contact our experts 24 hours a day, worldwide. Get the experience and issue resolution necessary help to keep your business running!
Ability to escalate bugs to an out of cycle patch or engineering attention; you have visibility into the issue resolution process.
Access to Sun Knowledge Base.Technical support assistance backed by the engineers who wrote &/or
solidified the code.Proactive Sun Alerts and Notifications.Low risk, tested fixes and features for mission critical deployments Access to aggregated content like bugs fixed, docs, latest news,
promotions and tech tips
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GlassFish Enterprise Server
Why Else should I subscribe?
Subscription-Exclusive Features:GlassFish Enterprise Manager - • SNMP Monitoring
• Application Server Tuning
• Alerts (CPU Usage Trends, Memory Alerts, etc.)
GlassFish Update Center - • Delivers GlassFish add-on components, updates & provides mechanism to
enable community contributions.
• Use Update Center to get latest and greatest technology binaries.
• Provides the service, access and installation of updates patches available.
Contractual Coverage: Optional indemnification & Limitation of Liability
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Q&A
