Instructor-led training

Fast Track to EJB 3.0 (JEE 5 level) for License on the JBossApplication Server Training in Dumas, Texas

The Enterprise JavaBeans 3.0 specification is a deep overhaul of the EJB specification that is intended to improve the EJB architecture by reducing its complexity from the developer's point of view.

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What you'll learn

The Enterprise JavaBeans 3.0 specification is a deep overhaul of the EJB specification that is intended to improve the EJB architecture by reducing its complexity from the developer's point of view. It leverages annotations (introduced in Java 5) and Object-Relational Mapping (ORM) technologies to eliminate the dependence on complex EJB APIs, allow POJO (Plain Old Java Object) based development, and provide an effective technology for creating distributed, transactional components, and for mapping relational data to an object schema. This course provides thorough coverage of the EJB3 technology - presented in a clear and effective manner. It starts with the basic concepts and APIs of EJB and then continues on with complex topics such as message driven beans and transactions. New concepts such as the use of annotations and the use of Dependency Injection to initialize references are covered in depth. The course also includes a solid introduction to developing persistent entities using the Java Persistence API (JPA).

Prerequisites

One year of Java programming experience (or equivalent) is preferred. Knowledge of relational databases and JDBC is strongly recommended.

Course Outline

Introduction

Overview of EJB and Java Persistence API (JPA)

Goals of EJB, EJB in the Java EE architecture

EJB 3.0 Overview

Session Beans, Persistent Entities, Message Driven Beans

Lab: JBoss AS Server setup and introduction

Session Beans

Session Bean Overview

Services provided, Stateless and Stateful Beans

Defining a Session Bean - EJB 3 Annotations

The Bean Implementation, Remote and Local Business Interface

Packaging and Deployment

ejb-jar file, Deployment Descriptors in EJB 3

EAR file

The EJB Container

Lab: Creating a Stateless Session Bean

JNDI Overview

Distributed Naming and Lookup

Context and InitialContext

Using JNDI

Writing an EJB 3 Client

Client View of a Session Bean

PortableRemoteObject and Casting

Running the Client

Lab: Creating an EJB Client

Additional Capabilities

Resources and Dependency Injection

EJB referencing another EJB

Referencing Resources, Environment Entries

Connection Factories (DataSource and others)

Lab: Using Dependency Injection

Lab: Creating and Using Environment Entries

Session Bean Lifecycle and Interceptors

Stateless Session Bean Lifecycle

Business Method Interceptors, InvocationContext, Lifecycle Callback Interceptors, Interceptor Classes

Lab: Working with Interceptors

Stateful Session Beans

Overview

Defining, Client Relationship

Lifecycle, Activation, Passivation

Lab: Stateful Session Beans

Timer Service

Overview and usage

Message-Driven Beans

Overview of Messaging Systems

Messaging, Loose Coupling

Pub/Sub, Point2Point

Overview of JMS API

Overview and Structure

ConnectionFactory and Destination

JMS Producer and Consumer Client example

JMS Messages

Message-Driven Beans (MDB)

Overview and Goals

@MessageDriven and MDB example

Configuring with activationConfig

State Diagram and Interceptors

Lab: Message Driven Beans

Transactions and Security

Overview of Transactions and Transactional Systems

ACID, Transaction Managers, Resource Managers

Transactions in EJB 3

Declarative Transaction Management

Transaction Attributes and Transactional Scope

Transaction Scenarios and Bean-Managed Tx

Lab: Working with Transactions

Security

Java EE Security Overview (Role-based)

@RolesAllowed, @PermitAll

Programmatic Security

Lab: Integrating EJB and Java EE Security

Exceptions

Exception Overview

Checked and Unchecked Exceptions

Exceptions in EJB 3

Application Exceptions, System Exceptions

EJB 3 Best Practices

When to Use, Coarse-Grained Business Interfaces, Session Façade, Transaction Guidelines, Clustering

Introduction to Java Persistence API (JPA)

Overview

Persistence Layers, Object-Relational Mapping (ORM), JDBC

JPA Overview

Mapping with JPA

Entities and @Entity, ids and @Id,

Generated Id Values

Basic Mapping Types

Lab: Mapping an Entity Class

EntityManager

Persisting to the DB, the EntityManager,

Persistence Units and Configuration

Injecting an EntityManager

Retrieving Persistent Entities

Lab: Using the EnityManager to persist and find an Entity

Updates and Queries

Inserting and Updating

Transient, Persistent, Detached, Removed

Persisting new Entities, Updating a Persistent Instance

Lab: Inserting and Updating an Entity

Querying and JPQL

Object Based Queries, Select statements, WHERE clause

Named Queries

Lab: Creating and Using JPQL Queries

Versioning and Optimistic Locking

Detached Instances

Versioning and Optimistic Locking in EJB

[Optional] Session 9: Overview of Entity Relationships

Object Relationships Overview

Mapping Overview (1-1, 1-N, N-1, N-N)

Unidirectional and Bidirectional

Owner, Invoice and Join Columns

Lazy and Eager Loading, and Cascading

Inheritance Mapping Overview

[Optional] Session 10: Additional JPA Capabilities

Versioning Overview

Queries - Projection, Aggregate, Bulk Update/Delete

Embedded Objects

EJB 3 and Java SE

Training locations

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