Training

Topics

What you will learn

Audience

Prerequisites

Duration

1. Java Enterprise Edition (EE) Overview

• Objectives
• Introduction to Java Platform
• Java Community Process (JCP)
• Introduction to Java EE
• Why Move to Java EE
• Java EE - New and Enhanced Features
• Java EE Software Packaging
• Java EE Technologies
• Summary

2. Java EE Tools in Eclipse WTP

• Objectives
• Eclipse Platform
• Eclipse Workspace
• Perspectives, Views & Editors
• Basic Operations with Eclipse Views and Perspectives
• The Java Perspective
• The Debug Perspective
• Navigator View
• Package Explorer
• Outline View
• Problems View
• Eclipse Preferences
• Build and Validation
• Code Completion, Templates and Snippets
• Searching
• Configure Compiler Class Path
• JRE Switching
• Eclipse WTP
• Java EE Perspectives
• Project Explorer View
• Servers View
• JPA Tools

3. Entities and Java Persistence API

• Objectives
• Data Persistence
• Java Persistence API
• Entities
• Session Beans Vs Entities
• Entities
• Persisting and Retrieving Data
• Accessing Entities
• EntityManager & Persistence Unit
• Persistence Context
• Entities - Example
• persistence.xml Hibernate Provider
• persistence.xml Open JPA Provider
• persistence.xml - Toplink
• Entity Instance Lifecycle
• Creating EntityManager in Session EJB
• Creating EntityManager in a Plain Java Class
• Working With the EntityManager Interface
• Transaction Basics
• Entity Lifecycle
• When is an Entity Managed or Detached?
• Implementing the CRUD Pattern
• Accessing Entities Using Stateless Session Beans
• Inserting Data
• Retrieving Data
• Updating Data
• Deleting Data
• Merging Entities
• Life-Cycle Callbacks
• Example: Internal callback
• External Callback Class
• Listener Class - Example
• Synchronizing with Databases
• Entity Lookup
• JPAQL (JPA Query Language)
• Summary

4. JPA Usage Scenarios

• Objectives
• Obtaining an Entity Manager
• Application-Managed Entity Managers
• Using JPA With EJBs
• Benefits of JPA With EJBs
• Using JPA With JSF
• Using JPA With Servlets
• Using JPA With Java SE
• Packaging Persistence Units
• Summary

5. Enterprise JavaBeans (EJBs) Overview

• Objectives
• Need for EJBs
• 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 Container
• EJB Server
• Enterprise JavaBeans
• Session Beans
• Entity Beans
• Java Persistence API - Entities
• Message-Driven Beans (MDBs)
• EJB Specification
• Summary

6. Java Persistence Query Language (JPA QL)

• Objectives
• JPA Query Language
• Basic JPAQL Syntax
• Simple SELECT Examples
• Example of Using JPAQL
• The SELECT clause
• Reading Data from Code
• The WHERE Clause
• Example Using JPAQL from Session EJB
• Named Query
• Multiple Named Queries
• Bulk Updates
• Bulk Delete
• Running Native SQL Query
• Native SELECT Query
• Native SQL Delete and Insert
• Named Native Query
• Summary

7. Entity Relationship

• Objectives
• Relationship Between Entities
• Anatomy of a Relationship
• Foreign Key
• Example Schema
• One-to-One Unidirectional
• Creating Entity Instances
• Traversing the Relationship
• The Cascade Behavior
• One-to-One Bidirectional
• Traversing the Relationship
• One-To-Many and Many-To-One
• Many-to-One Unidirectional
• Creating Entity Instances
• Traversing the Relationship
• Modeling One-to-Many
• Creating Entity Instances
• Traversing the Relationship
• Many-to-Many
• Modeling Many-to-Many
• Creating Entity Instances
• Traversing Relationship
• Unidirectional One-to-Many
• Modeling Unidirectional One-to-Many
• Creating Entity Instances
• Traversing the Relationship
• Relationship in JPA QL
• Fetching Optimizations
• Lazy vs. Eager Initialization
• Lazy Initialization
• Problems with Lazy Initialization
• Fetch Join Query
• Summary

8. Entity Inheritance

• Objectives
• Inheritance
• Inheritance Example
• Inheritance and Entities
• Inheritance Strategies
• Inheritance Strategy 1: Single Table Per Class Hierarchy
• Single Table Per Class Hierarchy
• Table Structure: Single Table Per Class Hierarchy
• Pros and Cons
• Strategy 2: Table Per Concrete Class
• Table Per Concrete Class
• Table Per Concrete Class: JBoss Warning
• Table Per Concrete Class
• Table Structure: Table Per Concrete Class
• Table Per Concrete Class: Pros and Cons
• Strategy 3: Joined Subclasses
• Joined Subclasses
• Table Structure: Joined Subclasses
• Joined Subclasses: Pros and Cons
• Which Approach To Use?
• Summary

9. Transactions

• Objectives
• Need for Transactions
• Transactions
• ACID Properties
• Transaction Components
• Distributed Transactions
• Distributed Transaction Components - Two Phase Commit
• Java Transaction API (JTA)
• Object Transaction
• EJB Transaction Basics
• Transaction Propagation
• Transaction Outcome
• Container Managed Transaction
• Container Managed Transaction Settings
• Interacting with Container Managed Transactions
• Container Managed Transaction - Example
• Transaction Attributes Support
• Bean Managed Transaction
• Bean Managed Transaction - Example
• Client Managed Transaction
• Transaction Isolation
• Isolation Level
• Summary

10. JPA Design Patterns

• Objectives
• Data Transfer Object (DTO) Pattern
• JPA Entity as DTO
• Problem With JPA Entity as DTO
• Version Number pattern
• JPA and Version Number Pattern
• Primary Key Generation
• JPA and Primary Key Generation
• Fast Lane Pattern
• JPA and Fast Lane Pattern
• Summary