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Hibernate.orgCommunity Documentation

HIBERNATE - Relational Persistence for Idiomatic Java

Hibernate Reference Documentation

3.6.10.Final

Legal Notice

February 8, 2012


Preface
1. Tutorial
1.1. Part 1 - The first Hibernate Application
1.1.1. Setup
1.1.2. The first class
1.1.3. The mapping file
1.1.4. Hibernate configuration
1.1.5. Building with Maven
1.1.6. Startup and helpers
1.1.7. Loading and storing objects
1.2. Part 2 - Mapping associations
1.2.1. Mapping the Person class
1.2.2. A unidirectional Set-based association
1.2.3. Working the association
1.2.4. Collection of values
1.2.5. Bi-directional associations
1.2.6. Working bi-directional links
1.3. Part 3 - The EventManager web application
1.3.1. Writing the basic servlet
1.3.2. Processing and rendering
1.3.3. Deploying and testing
1.4. Summary
2. Architecture
2.1. Overview
2.1.1. Minimal architecture
2.1.2. Comprehensive architecture
2.1.3. Basic APIs
2.2. JMX Integration
2.3. Contextual sessions
3. Configuration
3.1. Programmatic configuration
3.2. Obtaining a SessionFactory
3.3. JDBC connections
3.4. Optional configuration properties
3.4.1. SQL Dialects
3.4.2. Outer Join Fetching
3.4.3. Binary Streams
3.4.4. Second-level and query cache
3.4.5. Query Language Substitution
3.4.6. Hibernate statistics
3.5. Logging
3.6. Implementing a NamingStrategy
3.7. Implementing a PersisterClassProvider
3.8. XML configuration file
3.9. Java EE Application Server integration
3.9.1. Transaction strategy configuration
3.9.2. JNDI-bound SessionFactory
3.9.3. Current Session context management with JTA
3.9.4. JMX deployment
4. Persistent Classes
4.1. A simple POJO example
4.1.1. Implement a no-argument constructor
4.1.2. Provide an identifier property
4.1.3. Prefer non-final classes (semi-optional)
4.1.4. Declare accessors and mutators for persistent fields (optional)
4.2. Implementing inheritance
4.3. Implementing equals() and hashCode()
4.4. Dynamic models
4.5. Tuplizers
4.6. EntityNameResolvers
5. Basic O/R Mapping
5.1. Mapping declaration
5.1.1. Entity
5.1.2. Identifiers
5.1.3. Optimistic locking properties (optional)
5.1.4. Property
5.1.5. Embedded objects (aka components)
5.1.6. Inheritance strategy
5.1.7. Mapping one to one and one to many associations
5.1.8. Natural-id
5.1.9. Any
5.1.10. Properties
5.1.11. Some hbm.xml specificities
5.2. Hibernate types
5.2.1. Entities and values
5.2.2. Basic value types
5.2.3. Custom value types
5.3. Mapping a class more than once
5.4. SQL quoted identifiers
5.5. Generated properties
5.6. Column transformers: read and write expressions
5.7. Auxiliary database objects
6. Types
6.1. Value types
6.1.1. Basic value types
6.1.2. Composite types
6.1.3. Collection types
6.2. Entity types
6.3. Significance of type categories
6.4. Custom types
6.4.1. Custom types using org.hibernate.type.Type
6.4.2. Custom types using org.hibernate.usertype.UserType
6.4.3. Custom types using org.hibernate.usertype.CompositeUserType
6.5. Type registry
7. Collection mapping
7.1. Persistent collections
7.2. How to map collections
7.2.1. Collection foreign keys
7.2.2. Indexed collections
7.2.3. Collections of basic types and embeddable objects
7.3. Advanced collection mappings
7.3.1. Sorted collections
7.3.2. Bidirectional associations
7.3.3. Bidirectional associations with indexed collections
7.3.4. Ternary associations
7.3.5. Using an <idbag>
7.4. Collection examples
8. Association Mappings
8.1. Introduction
8.2. Unidirectional associations
8.2.1. Many-to-one
8.2.2. One-to-one
8.2.3. One-to-many
8.3. Unidirectional associations with join tables
8.3.1. One-to-many
8.3.2. Many-to-one
8.3.3. One-to-one
8.3.4. Many-to-many
8.4. Bidirectional associations
8.4.1. one-to-many / many-to-one
8.4.2. One-to-one
8.5. Bidirectional associations with join tables
8.5.1. one-to-many / many-to-one
8.5.2. one to one
8.5.3. Many-to-many
8.6. More complex association mappings
9. Component Mapping
9.1. Dependent objects
9.2. Collections of dependent objects
9.3. Components as Map indices
9.4. Components as composite identifiers
9.5. Dynamic components
10. Inheritance mapping
10.1. The three strategies
10.1.1. Table per class hierarchy
10.1.2. Table per subclass
10.1.3. Table per subclass: using a discriminator
10.1.4. Mixing table per class hierarchy with table per subclass
10.1.5. Table per concrete class
10.1.6. Table per concrete class using implicit polymorphism
10.1.7. Mixing implicit polymorphism with other inheritance mappings
10.2. Limitations
11. Working with objects
11.1. Hibernate object states
11.2. Making objects persistent
11.3. Loading an object
11.4. Querying
11.4.1. Executing queries
11.4.2. Filtering collections
11.4.3. Criteria queries
11.4.4. Queries in native SQL
11.5. Modifying persistent objects
11.6. Modifying detached objects
11.7. Automatic state detection
11.8. Deleting persistent objects
11.9. Replicating object between two different datastores
11.10. Flushing the Session
11.11. Transitive persistence
11.12. Using metadata
12. Read-only entities
12.1. Making persistent entities read-only
12.1.1. Entities of immutable classes
12.1.2. Loading persistent entities as read-only
12.1.3. Loading read-only entities from an HQL query/criteria
12.1.4. Making a persistent entity read-only
12.2. Read-only affect on property type
12.2.1. Simple properties
12.2.2. Unidirectional associations
12.2.3. Bidirectional associations
13. Transactions and Concurrency
13.1. Session and transaction scopes
13.1.1. Unit of work
13.1.2. Long conversations
13.1.3. Considering object identity
13.1.4. Common issues
13.2. Database transaction demarcation
13.2.1. Non-managed environment
13.2.2. Using JTA
13.2.3. Exception handling
13.2.4. Transaction timeout
13.3. Optimistic concurrency control
13.3.1. Application version checking
13.3.2. Extended session and automatic versioning
13.3.3. Detached objects and automatic versioning
13.3.4. Customizing automatic versioning
13.4. Pessimistic locking
13.5. Connection release modes
14. Interceptors and events
14.1. Interceptors
14.2. Event system
14.3. Hibernate declarative security
15. Batch processing
15.1. Batch inserts
15.2. Batch updates
15.3. The StatelessSession interface
15.4. DML-style operations
16. HQL: The Hibernate Query Language
16.1. Case Sensitivity
16.2. The from clause
16.3. Associations and joins
16.4. Forms of join syntax
16.5. Referring to identifier property
16.6. The select clause
16.7. Aggregate functions
16.8. Polymorphic queries
16.9. The where clause
16.10. Expressions
16.11. The order by clause
16.12. The group by clause
16.13. Subqueries
16.14. HQL examples
16.15. Bulk update and delete
16.16. Tips & Tricks
16.17. Components
16.18. Row value constructor syntax
17. Criteria Queries
17.1. Creating a Criteria instance
17.2. Narrowing the result set
17.3. Ordering the results
17.4. Associations
17.5. Dynamic association fetching
17.6. Example queries
17.7. Projections, aggregation and grouping
17.8. Detached queries and subqueries
17.9. Queries by natural identifier
18. Native SQL
18.1. Using a SQLQuery
18.1.1. Scalar queries
18.1.2. Entity queries
18.1.3. Handling associations and collections
18.1.4. Returning multiple entities
18.1.5. Returning non-managed entities
18.1.6. Handling inheritance
18.1.7. Parameters
18.2. Named SQL queries
18.2.1. Using return-property to explicitly specify column/alias names
18.2.2. Using stored procedures for querying
18.3. Custom SQL for create, update and delete
18.4. Custom SQL for loading
19. Filtering data
19.1. Hibernate filters
20. XML Mapping
20.1. Working with XML data
20.1.1. Specifying XML and class mapping together
20.1.2. Specifying only an XML mapping
20.2. XML mapping metadata
20.3. Manipulating XML data
21. Improving performance
21.1. Fetching strategies
21.1.1. Working with lazy associations
21.1.2. Tuning fetch strategies
21.1.3. Single-ended association proxies
21.1.4. Initializing collections and proxies
21.1.5. Using batch fetching
21.1.6. Using subselect fetching
21.1.7. Fetch profiles
21.1.8. Using lazy property fetching
21.2. The Second Level Cache
21.2.1. Cache mappings
21.2.2. Strategy: read only
21.2.3. Strategy: read/write
21.2.4. Strategy: nonstrict read/write
21.2.5. Strategy: transactional
21.2.6. Cache-provider/concurrency-strategy compatibility
21.3. Managing the caches
21.4. The Query Cache
21.4.1. Enabling query caching
21.4.2. Query cache regions
21.5. Understanding Collection performance
21.5.1. Taxonomy
21.5.2. Lists, maps, idbags and sets are the most efficient collections to update
21.5.3. Bags and lists are the most efficient inverse collections
21.5.4. One shot delete
21.6. Monitoring performance
21.6.1. Monitoring a SessionFactory
21.6.2. Metrics
22. Toolset Guide
22.1. Automatic schema generation
22.1.1. Customizing the schema
22.1.2. Running the tool
22.1.3. Properties
22.1.4. Using Ant
22.1.5. Incremental schema updates
22.1.6. Using Ant for incremental schema updates
22.1.7. Schema validation
22.1.8. Using Ant for schema validation
23. Additional modules
23.1. Bean Validation
23.1.1. Adding Bean Validation
23.1.2. Configuration
23.1.3. Catching violations
23.1.4. Database schema
23.2. Hibernate Search
23.2.1. Description
23.2.2. Integration with Hibernate Annotations
24. Example: Parent/Child
24.1. A note about collections
24.2. Bidirectional one-to-many
24.3. Cascading life cycle
24.4. Cascades and unsaved-value
24.5. Conclusion
25. Example: Weblog Application
25.1. Persistent Classes
25.2. Hibernate Mappings
25.3. Hibernate Code
26. Example: Various Mappings
26.1. Employer/Employee
26.2. Author/Work
26.3. Customer/Order/Product
26.4. Miscellaneous example mappings
26.4.1. "Typed" one-to-one association
26.4.2. Composite key example
26.4.3. Many-to-many with shared composite key attribute
26.4.4. Content based discrimination
26.4.5. Associations on alternate keys
27. Best Practices
28. Database Portability Considerations
28.1. Portability Basics
28.2. Dialect
28.3. Dialect resolution
28.4. Identifier generation
28.5. Database functions
28.6. Type mappings
References