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Hibernate is driven by XML configuration files to configure data connectivity and map classes to database tables with which it needs to interact. These XML files contain database connection specifics, connection pooling details, transaction factory settings, as well as references to other XML files that describe tables in the database.
Hibernate provides persistence as a service, rather than as a framework. It integrates flawlessly with various application architectures.
1.Object Persistence.
- Object/Relational Paradigms
- O/R Mismatch
- Object Relational Mapping (ORM)
- Java ORM/Persistent Frameworks
2.Hibernate Architecture .
- Hibernate Architecture and API
- Hibernate Installation/Setup
- Configuration
- Configuration Properties
- Mapping Files
3.Persistent Classes.
- POJOs
- JavaBeans
- Basic Mapping
- Class to Table Mappings
- Property Mapping
- Identifiers
- Generators
- Natural Keys
- Identifier Exposure
- Quoting SQL Tables and Columns
4.Working with Persistent Objects.
- Entity Lifecycle
- Transient State
- Persistent State
- Persistent Object Updates and Automatic Dirty Checking
- Detatched State
- Deleted
- Object Identifiers Revisited
- Merge
5.Components.
- Domain Model
- Entities and Values
- Components
6.Associations.
- Many-to-one
- Bidirectional Many-to-one
- Other Collections
7.Other Associations.
- One-to-one
- Bidirectional One-to-one
- Many-to-many
- Bidirectional Many-to-many
8.Value Type Collections.
- Collections of Value Types
- Collections of Components
- Sorting Collections
9.Inheritance.
- Inheritance Mapping Strategies
- Table per concrete class
- Table per subclass
- Table per hierarchy
- Inheritance Mapping Pros/Cons
- Polymorphism
- Table per concrete class with unions
- Choosing an Inheritance Strategy
10.Transitive Persistence.
- Lazy Loading
- Proxies
- Eager Loading
- What’s a Proxy?
- Detached Objects and Proxies
- Polymorphic Associations Revisited
11.Custom Mapping.
- Custom Mapping Types
- User Type
- Enumerations
12.HQL.
- Hibernate Object Fetching Options
- Hibernate Query
- HQL Parameters
- Named Queries
- Native SQL
13.Criteria.
- Restrictions
- Query By Example
- Scrolling
- Query Hints
- Query Option Pros/Cons
14.Transactions and Concurrency.
- The Java Transaction
- Hibernate Transaction Configuration
- Hibernate Transaction API
- Concurrency
- Isolation Levels
- Optimistic Locking
- Versioning
- Pessimistic Locking
15.Fetching Strategies.
- N+1 Selects
- Join Fetching
- Subselect Fetching
- Batch Fetching
- Queries and Fetching Strategies
- Cartesian product Problem
16.Cache.
- Hibernate Caching Architecture
- First Level Cache
- Second Level Cache
- Cache Concurrency
- Configuring Second Level Cache
17.Annotations.
- Metadata
- Annotations Pros/Cons
- Configuring Hibernate Annotations
- EJB3/JPA Annotations
- Hibernate Annotations