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Open Source Enterprise Java Development
Duration:   5 Days
Audience Prerequisites

This course is designed for professionals who have at least one year of experience with programming in Java who also have some familiarity with Java Enterprise development.

  • Architects
  • Designers
  • Consultants
  • Developers
  • Technical managers

Description
In the Java/JEE development arena, some of the best known names are open source technologies and tools . This five-day course is devoted to these popular tools and technologies and covers the full lifecycle of enterprise Java development: from data persistence tier to presentation tier.

This course is a hands-on course. More than 60% of the time will be spent on labs.
Objectives

This course aims to teach a set of advanced skills necessary to implement robust, scalable, reusable e-business objects and enterprise applications using the some popular frameworks and open source tools. As part of this course, attendees will implement a comprehensive E-Business application that integrates various components. The application will be built using a multi-tiered architecture. The business tier will be implemented using EJB, and the presentation tier Servlets and JSP. We will also see some other frameworks like Struts 2 and Hibernate. On completion, attendees would be able to:

  • Use Hibernate to write data persistence layer
  • Develop Enterprise JavaBeans (EJB) using JBoss
  • Implement Web tier with Struts 2
  • Learn to build with Ant
  • Add loggings to your application using Log4J
  • Test with JUnit
  • Building Web Services
Course Outline

Ant - The Build Tool

  • Overview of Ant
  • Anatomy of an Ant build file
  • Using properties to control tasks
  • Compiling, packaging, and executing Java code
  • Calling other Ant script

Logging with Log4J

  • Overview of Log4J concepts
  • Configuring and using Log4J

Setting Up MySQL and Connector/J

  • Overview of MySQL
  • Overview of Connector/J

Overview of Hibernate

  • Overview of Hibernate architecture
  • Configuring Hibernate
  • Setting up and running your first Hibernate application

O/R Mapping

  • Overview of the mapping file
  • The id element and primary key
  • Id generation methods
  • Composite id
  • Hibernate data types
  • Custom value types
  • Mapping for collections and associations
  • Mapping for rich associations
  • Component mapping
  • Inheritance mapping

Manipulating and Querying Persistent Data

  • Persistent classes
  • Loading an object
  • Find methods
  • The Query interface
  • Performing CRUD operations
  • Criteria Queries
  • Using native SQL query
  • Using lifecycle and interceptor callbacks
  • Transactions and concurrency

The Hibernate Query Language (HQL)

  • The select clause
  • The from clause
  • The where clause
  • Expressions
  • Aggregate functions
  • Sorting, grouping, etc.
  • Subqueries

Java Persistence API (JPA)

  • Overview of Java Persitense API for EJB 3.0
  • Entity class and O/R mappings
  • Overview of packing and deploying entities

Java Persistence Query Language (JPQL)

  • Overview of EJB 3.0 query language
  • Writing portable queries based on Entities
  • Building native queries for performance
  • Building custom finders
  • Polymorphism
  • Automatic storage of query results in POJOs

EJB Development with JBoss

  • Overview of JBoss
  • Administering JBoss Server
  • JBoss-specific EJB deployment descriptors
  • Developing Entity Beans with JBoss
  • Developing Session Beans with JBoss
  • Providing Web Service Endpoints
  • Deploying EJB to JBoss

Struts 2 Framework Overview

  • How does Struts 2 work
  • A Struts 2 example
  • Convention over Configuration

Struts 2 Action and Results

  • What is an Action
  • Action Execution
  • The Value Stack
  • Results
  • Validators

Struts 2 Tags

  • OGNL
  • Themes and Skins
  • Ajax Support

Testing Enterprise Applications with JUnit

  • How does JUnit work
  • Writing test cases and test suites
 
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