Instructor-led training

Fast Track to Hibernate 3.x Training in Sparks, Nevada

Hibernate is a 3 day open source object/relational (OR) persistence and query service for Java.

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What you'll learn

Hibernate is a 3 day open source object/relational (OR) persistence and query service for Java. Hibernate lets you develop persistent classes following common Java idioms - including association, inheritance, polymorphism, composition and the Java collections framework. The Hibernate Query Language, designed as a minimal object-oriented extension to SQL, provides an elegant bridge between the object and relational worlds. Hibernate also allows you to express queries using native SQL or Java-based Criteria and Example queries. JBoss has integrated Hibernate into its JEMS (Java Enterprise Middleware System) product line. The Java Persistence API (EJB 3) specification derives a great deal of its architecture from Hibernate, and the Hibernate annotations are compatible with the Java Persistence annotations. This promises to make Hibernate an even more important technology.

Prerequisites

Intermediate knowledge of Java programming and a basic understanding of relational databases are recommended.

Course Outline

Introduction to Hibernate

Issues with Persistence layers and Object-Relational Mapping (ORM)

Hibernate Overview and Benefits

Hibernate architecture overview

Configuring Hibernate

hibernate.cfg.xml file, Connection properties, Database dialect

SessionFactory, Configuration, and Session

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: hibernate.show_sql, log4j Overview and configuration for Hibernate

Updates and Queries

Inserting, Updating, and Deleting 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

Mapping Entities with JPA 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

Caching

Understand caching advantages and behavior

The persistence context as first level cache

The Second Level Cache

Entity and Collection Caching

Integration Considerations

Data Access Objects

Integrating Hibernate and Java Web Apps

Open Session in View Pattern

Hibernate / EJB-JPA Integration

Additional Topics

Components and Multi-Table Mapping

equals() and hashCode()

Design Considerations

Hibernate Toolset

Hibernate and Spring Integration

Spring Introduction

Dependency Injection Overview

Spring's Hibernate Support

Spring Transaction Management

Training locations

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