1. The Configuration and Schema
by Jason Dentler, Alexander Zaytsev, Gunnar Liljas
NHibernate 4.x Cookbook - Second Edition
- NHibernate 4.x Cookbook Second Edition
- Table of Contents
- NHibernate 4.x Cookbook Second Edition
- Credits
- About the Authors
- About the Reviewer
- www.PacktPub.com
- Customer Feedback
- Preface
- 1. The Configuration and Schema
- Introduction
- Installing NHibernate
- Configuring NHibernate with hibernate.cfg.xml
- Configuring NHibernate with App.config or Web.config
- Configuring NHibernate with code
- Configuring NHibernate with Fluent NHibernate
- Configuring NHibernate logging
- Generating the database
- Scripting the database
- Updating the database
- Using NHibernate schema tool
- 2. Models and Mappings
- Mapping a class with XML
- Creating class hierarchy mappings
- Creating class components
- Mapping a one-to-many relationship
- Mapping a many-to-many relationship
- Mapping collections of elements and components
- Setting up a base entity class
- Handling versioning and concurrency
- Mapping by code
- Mapping by convention
- Creating mappings fluently
- Bidirectional one-to-many class relationships
- Mapping enumerations
- Immutable entities
- Mapping relations to non-primary keys
- Using lazy properties
- Mapping joins
- Using calculated properties
- Using serializable values
- Dynamic components
- Mapping <subselect>
- 3. Sessions and Transactions
- Introduction
- Setting up session-per-web request
- Setting up session-per-presenter
- Creating a session ASP.NET MVC action filter
- Creating a transaction ASP.NET MVC action filter
- Save entities to the database
- Using session.Merge
- Using session.Refresh
- Handle concurrency using session.Lock
- There's more…
- Using dictionaries as entities
- Using NHibernate with transaction scope
- 4. Queries
- Introduction
- Query entities by ID
- Using LINQ to NHibernate
- Using CriteriaQueries
- Using QueryOver
- Using QueryOver projections and aggregates
- Using the Hibernate Query Language
- Using native SQL
- Eager loading with LINQ
- Eager loading with Criteria
- Eager loading with QueryOver
- Eager loading with HQL
- Eager loading with SQL
- Using named queries
- Using detached queries
- Using HQL for bulk data changes
- Filtering collections
- Using result transformers
- Extra lazy collections
- 5. Improving Performance
- 6. Testing
- 7. Data Access Layer
- 8. Extending NHibernate
- Introduction
- Creating an encrypted string type
- Creating a money type
- Using well-known instance types
- Using dependency injection with entities
- Creating an audit-event listener
- Creation and change stamping of entities
- Generating trigger-based auditing
- Implementing a soft-delete pattern
- Setting Microsoft SQL's Context_Info
- Using dynamic connection strings
- Using custom dialect functions
- Using custom functions in LINQ
- Extending the LINQ provider
- 9. NHibernate Contribution Projects
- Index
In this chapter, we will cover the following recipes:
- Installing NHibernate
- Configuring NHibernate with hibernate.cfg.xml
- Configuring NHibernate with App.config or Web.config
- Configuring NHibernate with code
- Configuring NHibernate with Fluent NHibernate
- Configuring NHibernate logging
- Generating the database
- Scripting the database
- Updating the database
- Using NHibernate schema tool
NHibernate is a popular, mature, open source Object-Relational Mapper (ORM) based on Java's Hibernate project. ORMs, such as LINQ to SQL, Entity Framework, and NHibernate, translate between the database's relational model of tables, columns, and keys to the application's object model of classes and properties.
The NHibernate homepage, http://nhibernate.info, contains blog posts, the complete reference documentation, and a bug tracker. Support is available through the very active nhusers Google group at http://groups.google.com/group/nhusers. The NHibernate source code is hosted on GitHub at http://github.com/nhibernate/nhibernate-core. Precompiled binaries of NHibernate releases are also available on SourceForge and through NuGet at http://nuget.org/packages/NHibernate.
NHibernate provides an incredible number of configuration options and settings. The recipes in this chapter demonstrate several methods for configuring NHibernate and generating the necessary database schema.
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