Hibernate Bootcamp Training Course

• Hibernate and J2EE - How we got here, why Hibernate, the bigger picture
• Objects and Persistence - Object Relational Mapping
• Hibernate Architecture
• Download, Install and Configure
• First look application

• Understanding Hibernate database connections
• Hibernate mapping documents
• Creating persistent classes
• Mapping collections of objects
• The persistent object lifecycle

• Hibernate Query Language
• Caching objects with Hibernate
• Transactions and Locking
• Hibernate extensions and development toolsets
• Bringing it all together - CDTest Swing-app and CDViewer web-app

Hibernate - Revisited

• Revisit the role Hibernate plays in our applications
• Revisit JPA
  • Entity Manager
• Getting started with a simple Hibernate application
  • Configuration
  • API
  • Mapping a simple class
    • XML vs Annotations
  • Common type mappings
  • Inserting and updating
  • Retrieving persistent objects

Advanced Property and Relationship Mappings

• Mapping advanced Java data types
• Mapping inter-entity relationships
  • One to one, one to many, many to one, many to many
  • Parent - child
  • Collections
  • Bidirectional
  • Cascading Operations
  • Transitive persistence
  • Lazy and eager loading
  • Collections of value objects
    • Modeling a set of simple values
    • Mapping collections of components
• Mapping inheritance
  • Polymorphic support
  • Exploring pros and cons of different strategies
    • Single table
    • Table per subclass
    • Table per concrete class

The Persistance Lifecycle

• Hibernate Object States
  • Transient, Persistent, Detached, Removed
  • Transitions between states
• Persistance Context (Session)
  
  • Lifecycle
  • Acquiring a Session
  • Session per request
  • Session Propagation
  • As Cache
  • Synchronization with the database
  • Flushing
  • Object Identity

Protecting Data

• Transactions in Hibernate
  • Lifecycle
  • Demarcation
  • API
• Optimistic vs. Pessimistic locking
• Versioning
• Integrating with external transaction managers
  • Managed environment

Finding Your Data

• Simple "searching" by ID (Session API)
• Advanced HQL
  • Revisited (syntax and API)
  • Parameters
  • Joins
  • Named queries
  • Functions (e.g. aggregate)
  • Projections (tuples)
• Searching by example
• Native queries
• Criteria API
  • Uses
  • Restrictions
  • Associations
  • Ordering
  • Fetching
• Filters
  • Defining and attaching filters
  • Using filters
  • Mapping filters to a set
  • Collection filters

Tuning Your Code

• Fetching strategies: lazy, eager, batch, sub-query loading
• Caching
  • Second-level Cache
  • Query Caching
  • Data-appropriate caching
  • Cache Providers
  • Cache Configuration
  • Managing caches
• Query Efficiency
• N+1 Select Problem
• Design Considerations
  • Long conversations
  • Session-per-conversation
    • Open Session In View Pattern

Best Practices

• Entity identity: implementing equals() and hashCode()
• Designing your DAO layer
• Troubleshooting problems
• Testing your DAO code
• Logging
• Hibernate Toolset
  • Installing
  • Class Diagram
  • HQL Editor
  • Query Results
  • SQL Preview
• Q&A