Oracle talk 20131213
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Slides of talk at Japan Java Users Group on 2013/12/13 on JEE7. Download source code at http://www.arshal.org/2013/12/talk-at-oracle.html
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Oracle talk 20131213
- 1. www.arshal.org A new wave of JEE & JSF Arshal (@aforarsh)
- 2. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 3. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 4. Before we start ! www.arshal.org
- 5. Before we start ! www.arshal.org
- 6. Before we start ! www.arshal.org
- 7. Before we start ! www.arshal.org
- 8. Before we start ! www.arshal.org
- 9. Before we start ! www.arshal.org
- 10. Before we start ! www.arshal.org
- 11. Before we start ! www.arshal.org
- 12. Before we start ! www.arshal.org
- 13. Before we start ! www.arshal.org
- 14. Before we start ! www.arshal.org
- 15. Before we start ! ❖ www.arshal.org Download code http://bit.ly/18FJHh7 http://www.arshal.org/2013/12/talk-at-oracle.html
- 16. Before we start ! www.arshal.org
- 17. Coming back.. ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 18. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 19. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ Components! ❖ CSRF www.arshal.org
- 20. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ Components! ❖ CSRF www.arshal.org <h:inputText value="#{passthroughBean.age}" p:type="number"/>
- 21. JSF 2.2 ❖ www.arshal.org Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ Components ! ❖ CSRF @FlowScoped(“flow1")! @FlowDefinition! flow.xml
- 22. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ Components! ❖ CSRF www.arshal.org <f:view contracts="#{contractsBean.contract}">
- 23. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ Components! ❖ CSRF www.arshal.org <h:inputFile value="#{fileUploadBean.file}"/>
- 24. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! !❖ ❖ Components! CSRF www.arshal.org
- 25. JSF 2.2 ❖ Pass through attributes! ❖ Flow scoped! ❖ Resource library contracts! ❖ File upload! ❖ www.arshal.org Components! !❖ CSRF <protected-views>! <url-pattern>/jsf/file/index.xhtml</url-pattern>! </protected-views>
- 26. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 27. CDI 1.1 ❖ Bean discovery mode! ❖ Vetoed beans www.arshal.org
- 28. CDI 1.1 ❖ Bean discovery mode! ❖ Vetoed beans www.arshal.org bean-discovery-mode=“all"! bean-discovery-mode=“annotated”! bean-discovery-mode="none"
- 29. CDI 1.1 ❖ Bean discovery mode! ❖ Vetoed beans @Vetoed www.arshal.org
- 30. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 31. Bean Validation 1.1 ❖ Custom constraints! @NotNull(message = "{org.sample.zipcode.cannot_be_null}")! ! public @interface ZipCode { ❖ Method validation public String saveZip(@ZipCode String zip) www.arshal.org
- 32. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 34. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 35. ` ❖ Transactional scoped beans! ❖ ❖ www.arshal.org @TransactionScoped! Transactional methods! ❖ @Transactional(value=Transactional.txType.Required, rollbackOn={SQLException.class, JMSException.class}, dontRollbackOn=SQLWarning.class)
- 36. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 37. EJB 3.2 ❖ Asynchronous bean! ❖ ❖ @Asynchronous! Non persistent timer service! ❖ ❖ www.arshal.org @Schedule(hour="*", minute="*", second="*/5", info = "Every 5 second timer", persistent = false) ! Passivation capable! ❖ @PrePassivate
- 38. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 39. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! • ❖ JSONP! • ❖ Batch Processing www.arshal.org • Non blocking I/O: Check for resource availability before trying for it. while (input.isReady() && (len = input.read(b)) != -1) { String data = new String(b, 0, len); System.out.println("--> " + data) }! Improved security! Async supported @WebServlet(urlPatterns="/async", asyncSupported=true)!
- 40. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org
- 41. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ JSONP! ❖ Batch Processing <persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/ XMLSchema-instance" xsi:schemaLocation=“http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/ persistence/persistence_2_1.xsd"> <persistence-unit name="myPU" transaction-type="JTA"> <properties> <property name=“javax.persistence.schema-generation.database.action" value="drop-and-create"/> <property name=“javax.persistence.schema-generation.create-source" value="script"/> <property name=“javax.persistence.schema-generation.drop-source" value="script"/> <property name=“javax.persistence.schema-generation.create-script-source" value="META-INF/create.sql"/> <property name=“javax.persistence.schema-generation.drop-script-source" value="META-INF/drop.sql"/> <property name=“javax.persistence.sql-load-script-source" value="META-INF/load.sql"/> </properties> </persistence-unit> </persistence> JAX - RS 2.0! ❖ Schema generation! • Expression Language 3.0! ❖ www.arshal.org Bulk update/delete using criteria API • ! • CriteriaBuilder builder = em.getCriteriaBuilder();! CriteriaDelete deleteCriteria = builder.createCriteriaDelete(Student.class); Root<Student> updateRoot = deleteCriteria.from(Student.class); deleteCriteria.where(builder.equal(updateRoot.get(Student_.id), "1234")); Query q = em.createQuery(deleteCriteria); q.executeUpdate(); Unsynchronized persistence contexts @PersistenceContext(synchronization=SynchronizationType.UNSYNCHRONIZED)!
- 42. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Expression Language 3.0! ❖ Web socket 1.1! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org • • • Simplified! Easier resource configuration! JMS resource definition annotations.
- 43. Agenda ❖ JSF 2.2! ❖ CDI 1.1! ❖ Bean validation 1.1! ❖ Interceptors! ❖ JTA 1.2! ❖ EJB 3.2! ❖ Servlet 3.1! ❖ JPA! ❖ JMS 2.0! ❖ Web socket 1.1! ❖ Expression Language 3.0! ❖ JAX - RS 2.0! ❖ JSONP! ❖ Batch Processing www.arshal.org • Lambda expression support
- 44. Q&A ❖ Contact Info! ❖ e-mail: aforarsham@gmail.com! ❖ Twitter: @aforarsh! ❖ Web: www.arshal.org www.arshal.org
- 45. “ Good code is its own best documentation. As you're about to add a comment, ask yourself, "How can I improve the code so that this comment isn't needed?" Improve the code and then document it to make it even clearer.”