EJB 3.1 and GlassFish v3 Prelude

Enterprise JavaBeansTM(EJBTM) 3.1 Kenneth SaksSenior Staff EngineerSUN MicrosystemsEJB 3.1 Specification • Goals> Continued focus on ease-of-use> New features• JSR (Java Specification Request) 318> Part of Java EE 6> Java Persistence API will evolve separately ( JSR 317 )> Public Draft Released October 2008• Caveat – APIs stil subject to change2Ease of Use Improvements • Optional Local Business Interfaces• Simplified Packaging in .war• EJB “Lite” • Portable Global JNDI Names• Simplified Unit Testing3Session Bean with “No-interface” View@Statelesspublic class HelloBean { public String sayHello(String msg) { return “Hello “ + msg; }}// Client of HelloBean no-interface view@EJB HelloBean h;…h.sayHello(“bob”);4Web/EJB Application in JavaTM EE Platform 5 foo.earfoo.earlib/foo_common.jarfoo_web.warWEB-INF/web.xmlcom/acme/Foo.classWEB-INF/classes/ com/acme/FooServlet.classfoo_web.warWEB-INF/classes com/acme/Foo.classORWEB-INF/web.xmlWEB-INF/classes/ com/acme/FooServlet.classfoo_ejb.jarcom/acme/FooBean.classfoo_ejb.jarcom/acme/Foo.classcom/acme/FooBean.class5Web/EJB Application in JavaTM EE Platform 6foo.warWEB-INF/classes/ com/acme/FooServlet.classWEB-INF/classes/ com/acme/FooBean.class6EJB “Lite” vs. Full EJB 3.1 APIEJB Lite Full = Lite + :• Local Session Beans• Message Driven Beans• Annotations / ejb-jar.xml • EJB Web Service • CMT / BMTEndpoints• Declarative Security• RMI-IIOP Interoperability• Interceptors• 2.x / 3.x Remote view• 2.x Local view• Timer Service• CMP / BMP7Portable Global JNDI Names“java:global[/<app-name>]/<module-name>/<bean-name>”// Client in a Java EE container@EJB(mappedName= ”java:global/hello/HelloBean”) Hello hello;// Client in a Java SE environmentHello hello = (Hello) new InitialContext() lookup(“java:global/hello/HelloBean”);8Enhanced Testing Supportpublic class BankTester { public static void main(String[] args) { EJBContainer container = EJBContainer.createEJBContainer(); // Acquire EJB component reference BankBean bank = (BankBean)container.getContext(). lookup(“java:global/bank/BankBean”); testBank(bank); ... container.close(); } 9Example : Embeddable API (cont.) % java -classpath bankClient.jar : bank.jar : javaee.jar : <vendor_rt>.jar com.acme.BankTester 10