Enterprise Java Development@TOPIC@

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

Copyright © 2019 jim stafford (jim.stafford@jhu.edu)

2019-08-22 07:11 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
54. Getting Started
54.1. Start the Application Server
54.2. Build Solution
54.3. Build Exercise
54.4. Import Exercise into IDE
54.4.1. Exercise Modules
54.4.2. Impl Module Source Tree
54.4.3. EJB Module Source Tree
54.4.4. EAR Module Source and Deployable Artifact Tree
54.4.5. WAR Module Source Tree
54.4.6. RMI IT Test Module Source Tree
54.5. Summary
55. Server-side Persistence Unit
55.1. EJB Persistence Unit
55.2. Imported EJB - WAR Deployment
55.3. Embedded EJB - WAR Deployment
55.4. Summary
56. Remote Interface Issues
56.1. Serializable DTOs
56.2. Provider (Hibernate) Proxy Classes
56.3. Lazy Loading Exception
56.4. Cleansed BO/DTO
56.5. Pre-Loaded Entities
56.6. Separate DTO Classes
56.7. Summary