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Middleware Middleware Java 2 Enterprise Edition Enterprise Java Beans.

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Presentation on theme: "Middleware Middleware Java 2 Enterprise Edition Enterprise Java Beans."— Presentation transcript:

1 Middleware Middleware Java 2 Enterprise Edition Enterprise Java Beans

2 Java 2 Enterprise Edition

3 J2EE - Arquitectura

4

5 J2EE – Dinamic Content

6 J2EE Container / Component Container es el auto Componente es el chofer Container es la plataforma Componente es la aplicacion

7 J2EE Enterprise Java Beans Overview server-side software component An enterprise bean is a server-side software component that can be deployed in a distributed multitier environment. one or more Java objects An enterprise bean can compose one or more Java objects because a component may be more than just a simple object. clients of the bean deal with a single exposed component interface Regardless of an enterprise bean’s composition, the clients of the bean deal with a single exposed component interface. This interface, as well as the enterprise bean itself, must conform to the EJB specification. beans expose a few required methods The specification requires that your beans expose a few required methods

8 J2EE - EJB

9 Tipos Session (verbos) Stateless Statefull Entity (sustantivos) Bean Managed Persistence Container Managed Persistence Message Driven Message Oriented Middleware (MOM)

10 J2EE - EJB Development Process Server Client El container resuelve la mayoria de las tareas complejas propias del desarrollo en ambientes distribuidos

11 J2EE - EJB Server Development 1.Interface Development 1.Implementar Interfaces Standard EJB 2.Implementar Interfaces Especificas de la Aplicacion 3.Crear Interfaces Remotas para Clientes 4.Crear Interfaces Home para Clientes 2.Compile 3.Deployment 1.Configurar Module Deployment Descriptors 2.Package EJB en EJB JAR 3.Configurar Application Deployment Descriptor 4.Package EJB Modules en J2EE EAR Application 5.Deploy

12 J2EE - EJB

13 Client Development 1.Verificacion de Standard Client Library 2.Generacion de EJB Client Interface 3.Implementacion Client 4.Compile 5.Configurar Descriptors 6.Package Client App en JAR 7.Lanzar J2EE Client App


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