[Book Cover]

Enterprise JavaBeans by Example, 1/e

Henri Jubin
Jurgen Friedrichs
Jalapeno Team

Published August, 1999 by Prentice Hall PTR (ECS Professional)

Copyright 2000, 256 pp.
Paper
ISBN 0-13-022475-8
$49.99


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 [Sample Chapter]
[Preface]





If you already know Java, this book gives you all the information, insight, and resources you need to begin building tomorrow's Enterprise JavaBeans applications-today!

  • Start building enterprise applications with JavaBeans--now!
  • Build a full, working enterprise application with Enterprise JavaBeans step-by-step
  • EJB concepts and hands-on development--fully integrated in one book
  • Security, persistence, transactions, servlets, JavaServer pages, JNDI, and more
  • Build a real-world Enterprise JavaBeans application start-to-finish!
  • Integrate Enterprise JavaBeans into your existing client/server architectures
  • IBM multi-tier "develop once, deploy anywhere" techniques that work!
  • Master Enterprise JavaBeans development hands-on, with state-of-the-art IBM tools
  • Covers the entire Enterprise JavaBeans architecture and API
IBM's Jalape-o Team of Enterprise JavaBeans experts begin by presenting a detailed overview of Enterprise JavaBeans' goals, challenges, and component architecture. Understand how containers and servers work, compare session and entity Beans, and learn how clients view Enterprise JavaBeans. Discover how to leverage Java's powerful security features in your Enterprise JavaBeans, master persistence and transaction management techniques, and much more. Then, learn how how to integrate today's latest and hottest Java technologies into your enterprise applications, including JNDI, servlets, and JavaServer pages.

Finally, build a robust, powerful application with Enterprise JavaBeans step-by-step, from requirements analysis through coding, all the way through deploying JAR files and web pages! Sharing Technical Expertise from Around the World This book and other IBM Redbooks are products of IBM's International Technical Support Organization, where worldwide specialists work alongside you to harness IBM technologies. IBM Redbooks make the answers to your most pressing technical questions easily and immediately accessible. For more information: http://www.redbooks.ibm.com/redbooks
@ CD-ROM Included
@ CD-ROM contains all the source code for the examples used in this book.

Author Bio

HENRI JUBIN is a leader of the Jalape-o Team of JavaBeans engineers at the IBM International Technical Support Organization (ITSO), Austin Center.

JURGEN FRIEDRICHS is a project leader in the OO/AD group at the IBM International Technical Support Organization (ITSO), Austin Center.



    1. Why Enterprise JavaBeans?

      The Need for Enterprise JavaBeans. Building Applications from Components. So, What Is a Component? What Are Server Components? What Does the Component Environment Provide? How Do We Get Plug-and-Play Assembly? What's the Market Acceptance of Component-Based Development? The Multitier Paradigm. Partitioning Applications. What Is the Value of Multitier Applications? The Enterprise JavaBeans Component Model. The Enterprise Java Beans. The Server and Container: The Execution Engine. Packaging and Deployment.

    2. EJB Architecture Elements.

      EJB Architecture Elements — A First Glance. Understanding Enterprise JavaBeans. Session Enterprise JavaBeans. Entity Enterprise JavaBeans. Comparison of Entity and Session Beans. Creating and Removing Beans. The Client's View of an EJB. The Remote Interface. The Home Interface. EJB Containers. Wrapping the Beans. Life-Cycle Managemen. Maintaining Persistence. Controlling Transactions. Serializing Method Calls. Naming. Resource Management. Bean Runtime Context Information. The EJB Server Environment. EJB Server Responsibilities. Tools Support.

    3. Distribution Support and Services.

      Overview. Distribution Through RMI. Client/Server Communication. Interoperability with Pure Java Applications Through Remote Method Invocation. Interoperability with Non-Java Applications.

    4. Security.

      Security Features of the Java Language. Java VM Security Features. JDK 1.0.x Security. JDK 1.1.x Security. JDK 1.2 Security. Enterprise JavaBeans Security. Security and Serialization Objects. Security Outside the Java Environment. Summary.

    5. Persistence.

      Bean-Managed Persistence. Container-Managed Persistence.

    6. Transaction Management.

      Overview. Transactions. Transaction Processing. Distributed Transaction Processing. EJB Support for Transactions. EJB Transaction Management. Java Transaction API. Distributed Transaction Processing. Declarative Transaction Management. Transaction Demarcation. Transaction Isolation.

    7. Development and Deployment.

      Roles in the Development and Deployment Phase. Enterprise JavaBean Provider. Deployer. Application Assembler. Server Provider. Container Provider. System Administrator. Stages in Developing and Deploying. The EJB Jar File. Deploying Enterprise Java Beans.

    8. The Future of Enterprise JavaBeans.

      Wish List for Enterprise JavaBeans. Experts' Predictions About Enterprise JavaBeans. Where Will EJB Go? On the Horizon.

    9. Technology.

      Java Database Connectivity (JDBC). Loading a JDBC Driver. Connecting to Databases. Executing SQL Statements. JDBC Example. Java Transactions. Java Naming and Directory Interface (JNDI). The Naming Interface. The Directory Interface. JNDI Example. Remote Method Invocation (RMI). Some RMI Highlights. How RMI Works. Servlets. Servlet Architecture. Writing Servlets. JavaServer Pages. Access to JavaServer Pages. JavaServer Pages Syntax. JavaServer Pages Scripting-Centric Tags. JavaServer Pages Component-Centric Tags. JavaServer Pages Example.

    10. Putting the Theory to Work.

      Introducing the Situation. Analyzing the Problem Domain. Describing the Problem. Modeling the Requirements, Using Use Cases. The Object Model Analysis. Designing the System. The Design Object Model. Some Object Interaction Diagrams. Phasing the Development. Sample 1 — Creating a SimpleCustomer Session Bean. Relationship to the Overall Scenario. SimpleCustomer Architecture. Prerequisites for Our Sample. Creating the EJBatWork Project in VisualAge for Java. Creating the SimpleCustomer EJB. A Simple Client for the SimpleCustomer EJB. EJB Server for SimpleCustomer EJB. Running the Simple Client for the SimpleCustomer EJB. Conclusion. Sample 2 — Creating the Product and Customer Session EJBs. Relationship to the Scenario. Sample 2 Structure — How It Works. Overview of the Code for This Sample. Creating the Code from Scratch. Loading the Sample Code from the CD-ROM. Creating the EJB-to-Database Mappings. Testing the Beans Within VAJ. Conclusion. Notes and Guidelines. Sample 3 — Creating the Ordering System. Henri's Ordering Overall System Structure. The HTML Layer of the System. System Notes. Restoring the System from the CD-ROM. Deploying the Jar Files and Setting Up the Web Pages.

    Appendix A: Products.

      Introduction. WebSphere Application Server + IBM Enterprise Java Server. IBM VisualAge for Java Enterprise. IBM Universal Database. Expanded Data Type Support. Online Analytical Processing (OLAP) and Optimization Features. Support for Java. Administering Databases over the Web. Multimedia Object Support with DB2 Extenders. Improved System Monitoring Support for DB2 Connect. Improved Scalability and Performance. Ease of Use. Security Enhancements. Additional Support for Communicating with Host Databases.

    Appendix B: Installation of VisualAge for Java Enterprise.

      Installing VisualAge for Java Enterprise. Installing VisualAge for Java Enterprise Update. Setting Up the Enterprise JavaBeans Development Environment. Setting Up the JSP/Servlet Development Environment. Loading the Samples Developed with VisualAge for Java from the CD.

    Appendix C: Installation of IBM WebSphere and Enterprise Java Server.

      Installing the IBM Enterprise Java Server. Starting the Server. Stopping the Server. Updating the Server Configuration Files. Deploying Jar Files. Stage 3: Loading the EJS Jar File. Running Clients. Important Notes Regarding IBM EJS Deployment Tool. List of Abbreviations.

    Index.

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