Enterprise Java Development@TOPIC@

Part IX. Implementing JPA-based EJBs and Remote Interfaces Lab

Copyright © 2015 jim stafford (jim.stafford@jhu.edu)

2015-11-18 02:58 EST

Abstract

This exercise demonstrates how to integrate JPA-based solutions into the EJB tier and how to address many of the issues that can be encountered when introducing server-side technology -- specifically the remote interface with the client.

Table of Contents

Purpose
1. Goals
2. Objectives
60. Getting Started
60.1. Start the Application Server
60.2. Build Solution
60.3. Build Exercise
60.4. Import Exercise into IDE
60.5. Summary
61. Server-side Persistence Unit
61.1. EJB Persistence Unit
61.2. Imported EJB - WAR Deployment
61.3. Embedded EJB - WAR Deployment
61.4. Summary
62. Remote Interface Issues
62.1. Serializable DTOs
62.2. Provider (Hibernate) Proxy Classes
62.3. Lazy Loading Exception
62.4. Cleansed BO/DTO
62.5. Pre-Loaded Entities
62.6. Separate DTO Classes
62.7. Summary