Introduction to Hibernate training

Course Number: HIB-100
GSA/Previous Course Number: 229
Duration: 3 days
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Hibernate Training Overview

Hibernate^® (http://www.hibernate.org) is a high-performance object/relational persistence and query service. In this class, experienced Java developers learn how to put the Hibernate engine to work within their applications.

Location and Pricing

Most Accelebrate courses are taught on-site at our clients' locations worldwide for groups of 3 or more attendees and are customized to their specific needs. Please visit our client list to see organizations for whom we have recently delivered training. These courses can also be delivered as live, private online classes for groups that are geographically dispersed or wish to save on the instructor's or students' travel expenses. To receive a customized proposal and price quote private training at your site or online, please contact us.

In addition, some courses are available as live, online classes for individuals. To see a schedule of online courses, please visit http://www.accelebrate.com/online_training/java.htm.

Hibernate Training Prerequisites

All attendees must have at least one year of full-time Java™ development experience and an excellent understanding of relational databases and SQL.

Hands-on/Lecture Ratio

This class is 70% hands-on, 30% lecture, with the longest lecture segments lasting for 20 minutes.

Hibernate Training Materials

All attendees receive a copy of Apress' Beginning Hibernate: From Novice to Professional and related courseware.

Software Needed on Each Student PC

Java SE SDK
The Hibernate persistence engine
Ant
MySQL
Java IDE of your choice (We will advise on specific versions of the software required based on your standard development and production environments.)

Hibernate Training Objectives

Understand the benefits of Hibernate
Understand the Hibernate architecture
Create Hibernate based applications
Understand and use Hibernate mapping to map persistent objects to the database
Understand and work with collections & associations

Value and Entity Types
Bidrectional and unidirectional
1-1, 1-N, N-N

Use Hibernate's versioning support
Map inheritance hierarchies using Hibernate
Work with Hibernate queries, HQL, and Criteria
Performance tune your Hibernate applications
Understand Hibernate transaction support
Understand the relationship between Hibernate and Java Persistence / EJB 3
Use the new Hibernate annotations to do OR mapping

Hibernate Training Outline

Introduction to Hibernate

Issues with Persistence layers and Object-Relational Mapping (ORM)
Hibernate Overview and Benefits
Hibernate architecture overview
POJO (Plain Old Java Object) Based Mapping

Getting started with Hibernate quickly

Overview of the Hibernate distribution
Configuring Hibernate

hibernate.cfg.xml file
SessionFactory configuration
Connection properties, Database dialect
Configuration class, Session Interface

"Hello World" Program for Hibernate
Mapping a Class

Persistent Entity Class, Hibernate Mapping
File, Mapping the Entity Class
Primary keys: Id property, Generated Id

Hibernate Type System
Working with sessions and Persistent Objects
Logging - log4j Overview and configuration for Hibernate

Querying

Inserting and Updating Entities
HQL - Hibernate Query Language Overview
The Query Interface
Creating and working with queries
Named Queries, Projection Queries, Aggregate Queries

The Persistence Lifecycle

Transaction Overview and Transactions in Hibernate
Hibernate Transaction API (in Managed and Non-managed Environments)
The lifecycle of managed objects
Persistent, transient, and detached objects
The Persistence (Session) Context (Lifespan, Relation to Managed Objects, Propagation)
Contextual Sessions
Synchronization to the Database
The Session as cache

Optimistic Locking / Versioning

Detached Objects and Optimistic Locking
Versioning overview and Using Versioning
Locking Objects

Relationships

Object Relationship Overview
Mapping Collections of Value Objects
Entity Relationships: 1-N, N-1, N-N, 1-1
Mapping Entity Relationships
Uni and Bi-directional Relationships
The Relationship "inverse"
Cascading Over Relationships
Queries Across Relationships (Lazy and Eager)

Inheritance Mapping

Entity Inheritance with Hibernate
Table-per-class mapping
Table per Subclass mapping
Table per Concrete Class mapping

Additional Querying Capabilities

Projection Queries, Aggregate queries
Bulk updates and deletes
Native SQL Queries
Query Filters

The Criteria API

Overview of the Criteria API
Working Querying with the Criteria API
Query by Example

Hibernate and Java Persistence / EJB 3

Overview of Java Persistence / EJB 3
Relationship between Java Persistence and Hibernate
Overview of Annotations
Mapping Entities with Hibernate Annotations
The EntityManager, Persistence Context and Persistence Unit
Working with Transactions - EntityTransaction, Managed, and Unmanaged Environments
Inserts and Updates
JPQL - Java Persistence Query Language
Versioning
Relationships

Advanced Topics

Components and Multi-Table Mapping
equals() and hashCode()
Caching and Efficiency
Design Considerations

Conclusion

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