WA1319 EJB Programming with Rational Application Developer (RAD) v6.0 Training and Courseware

WA1319 EJB Programming with Rational Application Developer (RAD) v6.0 Training and Courseware Course Outline

1. Introduction to Rational Application Developer 6
	Eclipse Platform The WebSphere Studio Product Family Rational Web Developer Rational Application Developer Key Features in RAD v6.0 WebSphere Studio Application Developer Integration Edition WebSphere Studio Enterprise Developer Views, Perspective and Editor Areas Basic Operations with RAD Views and Perspectives The Java Perspective The Debug Perspective Navigator View Package Explorer Outline View Task and Problems View Build and Validation Import and Export Project Project Interchange Feature Code Completion, Templates and Snippets Searching Setup Compiler Class Path JRE Switching Refactoring Changing Class Name Changing Method Name Changing Variable Name Generalizing a Variable Moving a Class to a Different Package Extracting Code to a Method Pull-up and Push-down Methods Migrating Workspace from WSAD v5.x Migrating J2EE Applications J2EE Migration Wizard Summary

2. J2EE Overview
	Introduction Why Do We Need J2EE? J2EE Components J2EE Technologies Useful J2SE Technologies Application Artifacts J2EE Architecture J2EE 1.4 Version Levels J2EE Software Packaging Deployment Descriptor Enterprise Archive (EAR) Web Modules and WAR EJB Modules Building Module Dependency Objectives Project Explorer Servers View The J2EE Perspective The Web Perspective RAD Project Structure Create an Enterprise Application Setup Utility JAR Create an EJB Project Create a Web Project Setup Dependent JAR Files Create Server Instance and Server Configuration Configure Server Instance Add an Enterprise Application Project to the Test Server Start and Stop the Server Test a Servlet Debug a servlet Test a JSP Debug a JSP Automatic Code Reloading

3. Enterprise JavaBean (EJB) Overview
	Objectives Needs for EJB Distributed Computing Distributed Transaction Distributed Security What are EJBs? Main Characteristics of EJBs EJB Remote Method Call EJB Architecture Components EJB Client EJB JAR File EJB Server EJB Container EJB Container - Persistence EJB Container - Transaction Enterprise Java Beans Session Beans Entity Beans EJB Classes and Interfaces Basic Components of Entity and Session Beans EJB Home Interface An EJB Home Interface Example EJBHome Object EJB Remote Interface Remote Interface Example EJB Local Home Interface EJB Local Interface Remote EJB Objects Local EJB Objects EJB Implementation Class Remote v. Local EJBs EJB Application Development Deploying Enterprise Beans Major Components of Deployed EJBs Summary

4. Session Bean
	Objectives Session Beans Stateless Session Bean Stateful Session Bean Components of Session Beans Home Interfaces Remote interface Local interface Service Endpoint Interface (SEI) The Session Bean Class ejbCreate() Method Business Methods A Simple Stateless Session Bean Example A Simple Stateful Session Bean Example Registering Artifacts in ejb-jar.xml Session Context EJB Context EJB Context Session Bean Lifecycle Lifecycle - Stateless Lifecycle - Stateful Lifecycle Stateful Lifecycle - Stateful Concurrency Issues Invoking Session Beans from Client Application Looking Up a Home Object EJB Reference Create an EJB Object Calling Business Methods IBM RAD for EJB Development Developing a Session Bean using RAD EJB Project in RAD Create an EJB project Examine the EJB project Create a Session Bean Code methods Promote methods to interfaces Deploying EJBs EJB Deployment Descriptor EJB Deployment Descriptor EJB Deployment Descriptor EJB Deployment Descriptor Generating Deployed Code Run on server JNDI Explorer Test the home interface Test the component interface Exporting EJB JAR EJB JAR File Structure

5. Entity Bean
	Objectives Entity Beans Persistence Entity Bean Components Container Container Container Primary Key Class A Primary Key Class Example (Remote) Home Interface (Remote) Home Interface (Remote) Home Interface Local Home Interface Remote Interface Local Interface Entity Bean Class Entity Instance Entity Object Lifecycle Bean Instance Lifecycle Bean Instance Lifecycle Bean Instance Lifecycle Bean Managed Persistence Container Managed Persistence Writing BMP Bean Writing BMP Bean Writing BMP Bean Writing BMP Bean A BMP Bean Example A BMP Bean Example A BMP Bean Example Writing a CMP Bean Indicating Persistent Fields Writing a CMP Bean Writing a CMP Bean Example Bean Class Deployment Descriptor Settings Writing finder methods EJB Query Language EJBQL: Simple examples EJBQL: SELECT clause EJBQL: SELECT clause EJBQL: FROM clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: WHERE clause EJBQL: Watch out! Using EJBQL in a CMP bean Business Methods EntityContext Writing CMP Beans Defining and Mapping CMP Fields Developing Entity Beans in RAD Adding a CMP Entity EJB Adding a CMP Entity EJB Adding a CMP Entity EJB EJB Deployment Descriptor Adding a CMP Entity EJB Add an EJBQL query Add an EJBQL query Add an EJBQL query Add an EJBQL query Import Database Schema Creating a database mapping Choosing a backend Choosing a mapping type Specifying the mapping EJB Relationships EJB 2.0 Relationships WebSphere Extensions

6. Message-Driven Beans
	Objectives The Trouble with RMI/IIOP Messaging to the Rescue Messaging Features Message-Oriented Middleware Messaging Domains Publish/Subscribe Point-to-Point Java Message Service JMS Programming: Overview JMS Programming: Overview The JMS Interfaces JMS Programming: Example JMS Programming: Example JMS Programming: Example Integrating JMS and EJB Message-Driven Beans Are Different From Other EJBs Message-Driven Beans Cannot Talk to Their Clients Message-Driven Beans are Stateless Durable Subscription Message-Driven Bean Interfaces javax.ejb.MessageDrivenBean javax.jms.MessageListener javax.jms.Message Lifecycle Example: Message Counter Class MessageCounter Class MessageCounter Class MessageCounter Working With Messages Processing the Message Deployment Descriptor Entry Binding the Queue or Topic Transactions Security Load Balancing Clustering and Topics Clustering and Queues A Few Tips Poison Messages How the Programmer Can Avoid Poison Messages How the System Administrator Can Avoid Poison Messages Building a Response Potential Problems A Simple Alternative Type Checking and Messages Testing Message-Driven Beans Summary References

7. EJB Transaction
	Transaction Management Object Transaction EJB Transaction Basics Transaction Propagation Client Managed Transaction Bean Managed Transaction Container Managed Transaction Transaction Outcome Vetoing a Transaction Vetoing a Transaction Transaction Isolation Isolation Level

8. EJB Exception
	Objectives Use of Exception Exception Types System Exception System Exception Application Exception Bean Class Container Client Standard Exceptions Local EJBs Summary

9. J2EE Security
	Security Functionality What Can You Secure in J2EE? Challenge Mechanism Basic Challenge Client Certificates Form-based Authentication User Registry J2EE Authorization Model Protecting Web Resources Protecting EJB Methods EJB Delegation Policies Delegation Scenario Defining Roles at Application Level Goals of the EJB Security Specification Setting Method Permission Defining Roles Specify Accessible Methods for a Role Disable Security Check Excludes List Security Identity (Delegation Policy) Programmatic EJB Security Role Reference Setting WebSphere Security Configure Global Security Standalone Application Server Network Deployment Enable Global Security Configure LTPA Authentication Mechanism Configure Local OS Registry Configure the LDAP User Registry Assign Administrative Rights Protect the Application First Extra Installation Steps Map Security Roles to Users/Groups Select Users for a Security Role Run-As Unprotected Methods

10. EJB Timer Service
	Container Managed Timer Service EJB Timer Service Interaction between Timer Service and EJB Timer Service API The TimerService Interface Creating a Timer Getting All Timers The TimedObject Interface The Timer Interface Example Of A TimerBean Timer and Transaction Limitations of EJB Timer Service

11. Business and Integration Tier Patterns
	Objectives Business Delegate Pattern How it works Data Transfer Object Pattern DTO Example (Output) DTO Example (Input) Role of DTO in MVC Access Beans Types of Access Beans Data Class Access Bean Data Class Programming Model Access Bean Constructor Generating Access Beans Generating a Data Class Generating an EJB Factory Using EJB Factory and Data Class Deleting the Access Bean Value Object Pattern Multiple Value Objects Best Practice derive EJB from the Value Object Composite Entity Pattern An example Class Diagram How the client interacts Value Object Assembler Value List Handler How does it work? How does it work - continued Design Considerations Service Locator Data Access Object (DAO) DAO Implementation Guidelines Service Activator MDB- Integrating JMS and EJB Message-Driven Beans Are Different From Other EJBs Message-Driven Beans are Stateless Message-Driven Bean Interfaces Example: Message Counter Class MessageCounter Class MessageCounter Class MessageCounter Processing the Message Deployment Descriptor Entry Summary

12. Other EJB Patterns
	Objectives Session Fa ade Session Fa ade Pattern Session Fa ade Session Fa ade Session Facade Miscellaneous Details Message Fa ade Pattern Message Fa ade Message Fa ade Message Fa ade Message fa ade pattern shortcomings Version Number pattern Version Number Pattern Sequence Blocks Stored Procedures for Autogenerated Keys Fast Lane Pattern Summary

13. Basic Administration
	Topics Administration Mechanism Administration Roles Administration Roles Administration Clients A Look at the Console Creating a Profile wasprofile command (Command line) Managing an Application Server Enable Server Process Restart Sample inittab contents Basic Application Server Configuration Configure the JVM Web Container Transport Chain Configure Transport Chain Configure Session Management Configure an EJB Container Preparing to Host Applications Resource Scope and Variables Configure a Virtual Host Configure a JDBC Provider Select JDBC Provider Type JDBC Provider Options Data Source WebSphere Data Source Creating a Data Source Configuring a Data Source Mail Providers Launching the Administrative Console The Administrative Console Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Installing an Enterprise Application into WebSphere Application Server Saving the Master Configuration Configuring the Web Server plugin WebSphere Applications on the file system What is the Plugin? What is the Plugin Configuration? Generating the Plugin Configuration Use the Plugin Configuration View the Plugin Configuration The Plugin Summary

Appendix A. EJB Inheritance
	The Need For EJB Inheritance EJB Inheritance Characteristics of a Child EJB Table Mappings Single Table Mapping Root/Leaf Table Mapping Guidelines and Limitations ibm-ejb-jar-ext.xmi Creating EJB Inheritance Mapping To RDB: Parent Mapping To RDB: Child

WA1319 EJB Programming with Rational Application Developer (RAD) v6.0 Training and Courseware Course Outline

1. Introduction to Rational Application Developer 6

2. J2EE Overview

3. Enterprise JavaBean (EJB) Overview

4. Session Bean

5. Entity Bean

6. Message-Driven Beans

7. EJB Transaction

8. EJB Exception

9. J2EE Security

10. EJB Timer Service

11. Business and Integration Tier Patterns

12. Other EJB Patterns

13. Basic Administration

Appendix A. EJB Inheritance