NHibernate 4.x Cookbook · 2nd Edition by Liljas, Gunnar -- Read -- Imperial Library of Trantor

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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

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Customer Feedback Preface

What this book covers What you need for this book Who this book is for Sections

Getting ready How to do it… How it works… There's more… See also

Conventions Reader feedback Customer support

Downloading the example code Downloading the color images of this book Errata Piracy Questions

1. The Configuration and Schema

Introduction Installing NHibernate

Getting ready How to do it... There's more…

Configuring NHibernate with hibernate.cfg.xml

Getting ready How to do it... How it works... There's more...

NHibernate architecture NHibernate properties Dialects and drivers

See also

Configuring NHibernate with App.config or Web.config

Getting ready How to do it… How it works… There's more… See also

Configuring NHibernate with code

Getting ready How to do it… How it works… There's more... See also

Configuring NHibernate with Fluent NHibernate

Getting ready How to do it… How it works… See also

Configuring NHibernate logging

Getting ready How to do it... How it works... There's more...

Using logger to troubleshoot NHibernate Using other log providers

See also

Generating the database

Getting ready How to do it... How it works... There's more... See also

Scripting the database

Getting ready How to do it... How it works... See also

Updating the database

Getting ready How to do it... How it works... See also

Using NHibernate schema tool

Getting ready How to do it... How it works... There's more... See also

2. Models and Mappings

Mapping a class with XML

Getting ready How to do it… How it works… There's more…

What happens to these mappings? Surrogate keys and natural IDs ID generator selection

See also

Creating class hierarchy mappings

Getting ready How to do it… How it works… There's more…

Table per class Table per concrete class

See also

Creating class components

Getting ready How to do it… How it works…

Mapping a one-to-many relationship

Getting ready How to do it… How it works… There's more…

Lazy loading collections Lazy loading proxies Collections

Bags Lists Sets Map

See also

Mapping a many-to-many relationship

Getting ready How to do it… How it works… There's more…

Mapping collections of elements and components

Getting ready How to do it… How it works… There's more…

Setting up a base entity class

How to do it… How it works… There's more… See also

Handling versioning and concurrency

Getting ready How to do it… How it works… There's more… See also

Mapping by code

Getting ready How to do it… How it works… There's more… See also

Mapping by convention

Getting ready How to do it… How it works… There's more…

Creating mappings fluently

Getting ready How to do it… How it works… See also

Bidirectional one-to-many class relationships

How to do it… How it works… There's more…

Mapping enumerations

How to do it… How it works…

Unnecessary updates

See also

Immutable entities

Getting ready How to do it… How it works…

Mapping relations to non-primary keys

Getting ready How to do it… How it works… There's more…

Using lazy properties

Getting ready How to do it… How it works…

Mapping joins

Getting ready How to do it… How it works… There's more…

Using calculated properties

Getting ready How to do it… How it works… There's more…

Using serializable values

Getting ready How to do it… How it works… There's more…

Dynamic components

Getting ready How to do it… How it works… There's more…

Mapping <subselect>

Getting ready How to do it… How it works…

3. Sessions and Transactions

Introduction Setting up session-per-web request

Getting ready

Option 1: Using the companion library Option 2: Manual setup

How to do it… How it works… There's more… See also

Setting up session-per-presenter

How to do it… How it works… There's More… See also

Creating a session ASP.NET MVC action filter

Getting ready How to do it… How it works…

What about Web API?

There's more…

View models

See also

Creating a transaction ASP.NET MVC action filter

Getting ready How to do it… How it works… There's more…

Save entities to the database

Getting ready How to do it… How it works…

Save

Update SaveOrUpdate Persist Using different flush modes

Commit Auto Always Never

Using session.Merge

Getting ready How to do it… How it works… See also

Using session.Refresh

Getting ready How to do it… How it works… There's more… See also

Handle concurrency using session.Lock

Getting ready How to do it… How it works…

None Read Upgrade UpgradeNoWait

There's more… Using dictionaries as entities

Getting ready How to do it... How it works… There's more…

Partially dynamic

Using NHibernate with transaction scope

Getting ready How to do it… How it works… See also

4. Queries

Introduction

Getting ready

Query entities by ID

Getting ready How to do it… How it works…

Session.Get Session.Load The session cache jumps in

Using LINQ to NHibernate

Getting ready How to do it… How it works… There's more… See also

Using CriteriaQueries

Getting ready How to do it… How it works… There's more… See also

Using QueryOver

Getting ready How to do it… How it works… There's more… See also

Using QueryOver projections and aggregates

Getting ready How to do it… How it works… See also

Using the Hibernate Query Language

Getting ready How to do it… How it works… There's more… See also

Using native SQL

Getting ready How to do it… How it works…

Eager loading with LINQ

Getting ready How to do it… How it works… There's more…

Limiting the result set doesn't work Eager loading multiple collections should be avoided Use batching as an alternative solution

See also

Eager loading with Criteria

Getting ready How to do it… How it works…

Eager loading with QueryOver

Getting ready How to do it… How it works…

Eager loading with HQL

Getting ready How to do it… How it works…

Eager loading with SQL

Getting ready How to do it… How it works…

Using named queries

Getting ready How to do it… How it works…

Named SQL queries

There's more… See also

Using detached queries

Getting ready How to do it… How it works… There's more… See also

Using HQL for bulk data changes

Getting ready How to do it… How it works… There's more…

Bulk inserts

See also

Filtering collections

Getting ready How to do it… How it works… There's more…

Using result transformers

How to do it… How it works… There's more…

DistinctRootEntity AliasToEntityMap PassThrough RootEntity ToList AliasToBean AliasToBeanConstructor Creating your own transformer

Extra lazy collections

Getting ready How to do it… How it works… There's more…

5. Improving Performance

Reducing application startup time

Getting ready How to do it… How it works… There's more…

Using MultiCriteria

Getting ready How to do it… How it works… See also

Using MultiQuery

Getting ready How to do it… How it works… See also

Using Futures

Getting ready How to do it... How it works... There's more... See also

Eager loading child collections

Getting ready How to do it... How it works...

Problem 1 – limiting the result set doesn't work Problem 2 – only the queried class' properties can be eager loaded Problem 3 – eager loading multiple collections should be avoided

There's more…

Criteria QueryOver See also

Using stateless sessions

Getting ready How to do it... How it works... There's more...

Using read-only entities

Getting ready How to do it... How it works...

Setting the session to be read-only Setting a query to load entities as read-only Making a specific entity read-only

There's more...

Use the second-level cache

Getting ready How to do it... How it works... There's more...

Entity cache Query cache Update timestamp cache The rules

See also

Configuring the second-level cache with code

Getting ready How to do it... How it works... There's more… See also

Sharding databases for performance

Getting ready How to do it... How it works...

6. Testing

Introduction Using NHibernate Profiler

Getting ready How to do it... How it works... There's more... See also

Profiling NHibernate with Glimpse

Getting ready How to do it... How does it work... See also

Fast testing with the SQLite in-memory database

Getting ready How to do it... How it works... There's more... See also

Preloading data with SQLite

Getting ready How to do it... How it works... There's more... See also

Using Fluent NHibernate persistence testing

Getting ready How to do it... How it works... See also

Using the Ghostbusters test

Getting ready How to do it... How it works... See also

7. Data Access Layer

Introduction Transaction auto-wrapping for the data access layer

Getting ready How to do it… How it works… There's more… See also

Setting up an NHibernate repository

Getting ready How to do it… How it works… There's more… See also

Using named queries in the data access layer

Getting ready How to do it… How it works… See also

Using ICriteria in the data access layer

Getting ready How to do it… How it works… There's more… See also

Using paged queries in the data access layer

Getting ready How to do it… How it works… See also

Using LINQ specifications in the data access layer

Getting ready How to do it… How it works… There's more…

Specification composition

See also

8. Extending NHibernate

Introduction Creating an encrypted string type

How to do it… How it works… There's more… See also

Creating a money type

How to do it… How it works… There's more… See also

Using well-known instance types

How to do it… How it works… See also

Using dependency injection with entities

Getting ready How to do it… How it works… There's more…

Bland passwords need salt

See also

Creating an audit-event listener

How to do it… How it works… There's more… See also

Creation and change stamping of entities

How to do it… How it works… See also

Generating trigger-based auditing

Getting ready How to do it… How it works… See also

Implementing a soft-delete pattern

How to do it… How it works… There's more… See also

Setting Microsoft SQL's Context_Info

Getting ready How to do it… How it works… See also

Using dynamic connection strings

How to do it… How it works… See also

Using custom dialect functions

How to do it… How it works… See also

Using custom functions in LINQ

Getting ready How to do it… How it works… See also

Extending the LINQ provider

Getting ready How to do it… How it works… See also

9. NHibernate Contribution Projects

Introduction Property validation with attributes

Getting ready How to do it… How it works… There's more… See also

Creating validator classes

Getting ready How to do it… How it works… There's more…

See also

Setting up full-text searches

Getting ready How to do it… How it works… There's more…

Auditing data with Envers

Getting ready How to do it… How it works… There's more…

See also

Using NHibernate Spatial

Getting ready How to do it… How it works… There's more…

Geography or geometry? What's this SRID? Spatial data types

Index

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