Chapter JPA outline

Use Case / Requirements

• Data storage backend

• Requirement Statements

As a User I should be able to Add/Change/Delete a Conference

As a User I should be able to Add/Change/Delete a Session
  to Conferences

As a User I should be able to Add/Change/Delete a Attachment
 to Sessions and Conferences

As a User I should be able to Add/Change/Delete a Venue
  (and attch to Conference and Session)

• Domain model

  • Conference

    • Session

  • User

  • Attchment

  • Venue

    • Room

Background

• Java Persistence

  • What is JPA

  • How does JPA work

  • How do we map data

  • What is the EntityManager

    • Concept

    • Usage

  • What is the Provider

    • Hibernate / EclipseLink / OpenJPA

    • How do we configure the Provider

      • persistence.xml

Implementation

• JPA, EJB, Transactional

  • JPA Entities stored in a EntityManager behind a Transactional EJB

Requirement Test Scenarios

Overview

• Store data

• Retrieve data

• Delete data

• Transaction handling

  • Commit

  • Rollback

  • Advanced coverage from Test Perspective in Chapter 06

Setup

• Arquillian Persistence Extension

  • CED/pom.xml dependencyManagement arquillian-persistence-impl

  • CED/CED/pom.xml dependency arquillian-persistence-impl

  • persistence.xml / datasource scanned by APE

  • arquillian.xml extension persistence

Domain Conference

Store

As a User I should be able to add a Conference
As a User I should be able to add a Session

• Setup dataset

• Setup expected output

• Create Conference Domain Model

• Create Conference Repository 'create'

Update

As a User I should be able to change a Conference
As a User I should be able to change a Session

• Setup dataset

• Setup expected output

• Create Conference Repository 'update'

Remove

As a User I should be able to remove a Conference
As a User I should be able to remove a Session

• Setup dataset

• Setup expected output

• Create Conference Repository 'delete'

Domain User

• Not explained, only code

• See Conference

Domain Venue

• Not explained, only code.

• See Conference

Domain Attachment

• Not explained, only code.

• See Conference