Courses — About Objects, Inc.
JPA Programming with the Hibernate® ORM
Course Outline
1. Introduction to the Hibernate ORM
- What is Hibernate?
- What is Object-Relational Mapping?
- Advantages of an ORM
- Strengths and weaknesses
- Hibernate vs. competing ORMs
- History of Hibernate
- Future Direction
2. Java Persistence Architecture (JPA)
- EJB 3.0 and the JPA Specification
- Hibernate JPA Conformance
- Java Persistence Providers
- Annotations
- Hibernate EntityManager
- Why Does JPA Matter?
3. Overview of Facilities
- Mapping Strategies
- Horizontal, vertical, union
- Object Support
- In-memory objects and caching
- Object states (persistent, detached, transient)
- Object-based CRUD operations
- Object Identity
- Unique key generation
- Managing Concurrency
- Transactions
- Locking strategies
- Managing Relationships
- Cascading
- Maintaining referential integrity
- Filters and Interceptors
- Validator
- Query Support
- Performance Optimization
- Lazy fetching
- Second-level cache
4. Getting Started
- Required JARs
- Mapping files
- hibernate.cfg.xml
- Dialect
- Connection pooling
- Sessions and transactions
5. O-R Mapping
- Models
- Object Model
- Data Model
- Mapping between representations
- Data conversions
- Potential impedance mismatches
- Comparison with JDBC
- Examples
- JavaBeans
- Tables and mappings
6. O-R Mapping with Hibernate
- Hibernate Mapping Model
- HBM files
- Using XDoclet
- Using Annotations
7. Mapping Object Graphs
- Object Identity
- Identifiers and primary keys
- Compound keys
- Generating unique ids
- Properties
- Locking Strategies
- Pessimistic
- Optimistic
- When to use pessimistic locks
- Optimistic Locking Techniques
- Snapshots
- Version property
- Timestamp property
8. Relationships
- Inheritance
- Cardinality
- To-one
- To-many
- Inverse relationships
- Collections
- Bi-directional
- Sorted
- Indexed
9. Datatypes
- Built-in Types
- Custom Types
- Creating a custom type
- Mapping custom types to the DB
- Dependent objects
- Fine-grained Queries
- Hibernate Query Language
- Parameter substitution
- Performance considerations
- Fetching across relationships
- Inner and outer joins
- Subqueries
- Aggregates and expressions
- Native SQL Queries
- Specifying what to bring back
- Getting objects from native SQL
- Criteria Queries
- Query by example
- Building criteria queries
10. Advanced Queries
- Grouping Results
- Ordering Results
- Polymorphic Queries
- More Queries
- Named Queries
- Custom SQL for Loading, Updating, Deleting and Creating
- Performance Tips
11. Concurrency and Transactions
- Unit of Work Concept
- Application Transactions
- Environment & Transactions
- Non-Managed Environment
- JTA Environment
- Fully Managed Environment
- Session Beans and Hibernate
12. Testing Hibernate Code and Meta-Data
- DBUnit
- TestNG