WebSphere Training : Developing J2EE Applications using Hibernate and RAD

This training course provides students with the knowledge needed to use the Hibernate Object/Relational Mapping (ORM) framework to implement the persistence layer of J2EE applications

WebSphere Training Audience

Software designers, developers and programmers

WebSphere Training Prerequisites

To succeed fully in this course, students should be able to:

Understand how to program in Java

WebSphere Training Learning Objectives

Upon completion of this course, you should be able to:

Understand the concepts of object/relational mappings
Understand the architecture of Hibernate
Integrate and configure Hibernate in J2EE applications
Create Hibernate mappings
Retrieve and update persistent objects using Hibernate
Use HQL (Hibernate Query Language) and criteria queries
Know when to use database and application transactions
Understand the Hibernate caching architecture
Tune performance of Hibernate operations
Use various Hibernate tools

WebSphere Training Topics

Object/Relational Mapping Concepts
Hibernate Architecture and Configuration
Basic Hibernate Mappings
Manipulating Persistent Objects
Advanced Hibernate Mappings
Transactions and Concurrency
Performance
Hibernate Tools
Design Techniques

WebSphere Training Course duration

3 days

WebSphere Training Course outline

1. Introduction to Hibernate

Topics
What is Hibernate?
Relational Database Technology
Accessing Relational Databases from Java
Domain Models
Comparing Object and Relational Models
Identity Modeling
Granularity of Objects and Tables
Association Modeling
Navigation
Inheritance
What is Object/Relational Mapping?
Advantages of using an ORM Tool
Architecture of Hibernate
Hibernate API
Extension Interfaces
Hibernate Configuration
Hibernate Mappings
Hibernate Properties
Hibernate XML Configuration Files
Non-Managed and Managed Environments
Configuration in a Non-Managed Environment
Configuration in a Managed Environment
Binding SessionFactory to JNDI
A Simple Example
Alternatives to Hibernate
EJB Entity Beans
Hand-Coded Persistence Using JDBC
Object-Oriented Databases
Other ORM Tools

2. Basic Mappings

Topics
Creating the Domain Model
Domain Model
Domain Objects
Hibernate Requirements
Object Identity
Primary Keys
Natural Keys vs. Surrogate Keys
Identifier Property
Identifier Generators
Hibernate Managed Identifiers
Mapping Metadata
Mapping Properties
Property Access Strategies
Derived Properties
Preventing Insert/Update
Using Database Schemas
Quoted SQL Identifiers
Specifying Java Packages
Entity and Value Types
Components
Bi-Directional Components
Other Component Details
Association Mappings
Many-to-One Association
One-to-Many Association
Inheritance Mapping Strategies
Table per Concrete Class
Table per Subclass
Table per Class Hierarchy

3. Manipulating Persistent Objects

Topics
Object States
Transient Objects
Persistent Objects
Detached Objects
Object Identity
Persisting a Transient Object
Retrieving and Updating a Persistent Object
Deleting a Persistent Object
Updating a Detached Object
Transitive Persistence
Using save-update
Differentiating Between Transient and Detached Objects
HQL Queries
Parameter Binding
Pagination
Named Queries
Polymorphic Queries
Restriction
String Comparison
Logical Operators
Ordering the Results
Join Queries
Implicit Joins
Where Clause Joins
Criteria Queries
Polymorphic Criteria Queries
Restricting Criteria Queries
Comparing Strings in Criteria Queries
Using Logical Operators in Criteria Queries
Ordering Results in Criteria Queries
Using Joins in Criteria Queries
Using Dot Notation to Get Component Propertie

4. Advanced Mappings

Topics
One-to-One Associations
Many-to-Many Associations
Polymorphic Associations
Entity vs. Value Types
Built-in Mapping Types
Using Mapping Types
Custom Mapping Types
Collections of Value Types
Set of Value Types
Bag of Value Types
List of Value Types
Map of Value Types
Collections of Components
Sorting Collections

5. Transactions, Concurrency and Performance

Topics
Database Transactions
JDBC and JTA Transactions
Hibernate Transactions
Flushing the Hibernate Session
Isolation Issues
Isolation Levels
Configuring the Isolation Level
Pessimistic Locking
Application Transactions
Application Transaction Isolation
Managed Versioning
Using Existing Properties to Implement Optimistic Locking
Caching
Hibernate Cache Architecture
The First-Level Cache
The Second-Level Cache
Cache Concurrency Strategies
Enabling the Second-Level Cache
Cache Regions
Specifying a Cache Provider
Support for Cache Providers
Explicitly Evicting Objects From the Second-Level Cache
Fetching Strategies
Fetching Strategies in Mappings – Single Point Associations
Fetching Strategies in Mappings –Collections
Fetching Strategies in Mappings –Batches
Explicit Initialization of Lazily Loaded Objects
Fetching Strategies in HQL Queries
Fetching Strategies in Criteria Queries
The N+1 Selects Issue
Report Queries - Projections
Report Queries – Projections
Report Queries – Aggregation
Report Queries – Grouping

6. Tools and Design Techniques

Topics
Generating the Database Schema
Generating the Domain Model
Generating the Database Schema
Using Middlegen
Using XDoclet
The Open Session in View Pattern
Using a Natural Key
Using a Composite Key
Dealing with Database Triggers

Contact Information
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