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Introduction to EJB 2.0 Using WebSphere and WebSphere Studio Application Developer (WSAD)
Duration: 3 days
Audience Prerequisites
This introoductory course is designed for managers, architects and developers who need a quick and comprehensive introduction to Enterprise JavaBeans technology. Previous experience with Java, database systems and Client-Server architectures would also be very helpful.
  • Architects
  • Designers
  • Consultants
  • Developers
  • Technical managers
Description
Enterprise JavaBeans 2.0 (EJB) provides a fully-scalable, distributed and cross-platform architecture that enables efficient development of enterprise applications, while leveraging existing business resources. Using EJB 2.0, developers may implement business objects in Java and deploy them across a wide range of platforms, databases management systems, middleware and application servers.

The EJB 2.0 technology can be used to access databases, existing applications and computational resources. The EJB 2.0 technology enables the development of portable E-Business applications that may be deployed across a variety of EJB-compliant application servers. The EJB server provides advanced and transparent access to services such as security, resource management, concurrency, transactions and persistence to EJB components.

This three day course covers the issues of designing and implementing EJB-based E-Business applications using IBM's WebSphere application server and WebSphere Studio Application Developer (WSAD).

In this course, the attendees would design and implement EJB components using the Integrated Development Environment (IDE) provided by IBM's WSAD tool. Using this tool, developers may implement, test and debug their EJB applications. The developed EJB components are deployed on IBM's EJB application server WebSphere [EJB 2.0 components will be deployed to WebSphere 5.0 Technology Preview]. The attendees would also be trained in integrating and using WebSphere as part of the WSAD development environment, sharply reducing the time required to develop EJB-based applications.

This course has been specially designed for professionals looking to build large-scale, scalable and robust distributed systems for the enterprise using the EJB technology on IBM's WebSphere application servers.

Objectives
This course teaches a set of advanced skills necessary to implement robust, scalable, reusable EJB-based applications using WebSphere and WebSphere Studio Application Developer (WSAD). This course also provides a comprehensive coverage of issues in the EJB architecture and its supporting APIs. On completion, attendees:
  • Will be able to develop robust and industrial-strength applications using EJB
  • Will be able to develop server side business objects in Java
  • Will be able to design and efficiently develop EJB components using WebSphere Studio Application Developer (WSAD)
  • Will be able to deploy EJB-based applications on IBM's WebSphere application server
  • Will be able to deploy EJB 2.0 applications on IBM's WebSphere 5.0 Technology Preview
  • Would have mastered the EJB architecture
  • Would have mastered the EJB APIs
  • Be able to build Session beans for the enterprise
  • Be able to build Entity beans for the enterprise
  • Be able to build EJB clients that connect to the EJB server
  • Be able to use transactions in a bean
Course Outline
WebSphere Studio Application Developer (WSAD)
  • WSAD IDE Concepts
  • Application Development using WSAD
  • Integration of WebSphere test development environment
  • Development of Enterprise JavaBeans
IBM WebSphere Advanced Edition
  • Deployment of EJB components on WebSphere
  • Deployment Descriptors
  • Naming Service and Java Naming and Directory Interface (JNDI)
  • Security and Access Control List (ACL) specification
Enterprise JavaBeans
  • Component-based enterprise computing
  • EJB Architecture
  • Session and Entity Beans
  • Designing and implementing Enterprise JavaBeans
  • Deploying EJB across the enterprise
Entity Beans
  • Properties of Entity Beans
  • Implementing beans to manage persistence
  • Locating entity beans
  • Using containers to manage persistence
  • Invoking Entity Beans from Session Beans
  • Specifying policies to manage synchronization
EJB 2.0 CMP Model
  • Local interfaces
  • CMP 2.0 persistence model
  • Defining CMP relationships
  • CMP 2.0 deployment descriptors
  • Deploying EJB 2.0 CMP beans to WebSphere 5.0 Technology Preview
 Session Beans
  • Properties of Session Beans
  • Designing and implementing Session Beans
  • Session Bean interface specification
  • Stateless and stateful Session Beans
  • Session Bean life cycles
  • Implementing EJB clients
Message-Driven Beans
  • Asynchronous messaging and EJB
  • Java Message Service overview
  • Implementing Message-Driven Beans
  • Deployment descriptors for Message-Driven Beans
  • Message-Driven Bean life cycles
Transactions
  • Concepts in database transactions
  • Distributed database transactions
  • Java Transaction Services (JTS)
  • Java Transaction API (JTA)
  • Using transactions services in EJB
  • Implementing transaction management beans
Security
  • Concepts in EJB Security
  • Access Control List (ACL)
  • Security Context Propagation
  • Security Modes
  • Integration of EJB Application Servers with enterprise security resources
  • Issues in designing Object Level Security
Resource Management
  • Thread pool Management
  • Connection Pool Management
  • Memory Resource Management
  • Data Caching
  • Bean Activation and Passivation
 
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