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NHibernate 4.x Cookbook

You're reading from NHibernate 4.x Cookbook Over 90 incredible and powerful recipes to help you efficiently use NHibernate in your application

Product type Paperback

Published in Jan 2017

Publisher Packt

ISBN-13 9781784396428

Length 448 pages

Edition 2nd Edition

Tools

NHibernate

Concepts

Application Development

Authors (4):

Liljas

Darshan Joshi

Zaytsev

Jason Dentler

View More author details

Table of Contents (11) Chapters

Preface

1. The Configuration and Schema FREE CHAPTER

2. Models and Mappings

3. Sessions and Transactions

4. Queries

5. Improving Performance

6. Testing

7. Data Access Layer

8. Extending NHibernate

9. NHibernate Contribution Projects

Index

Property validation with attributes

NHibernate Validator provides data validation for classes. In this recipe, we will show you how to use NHibernate Validator attributes to validate your entities.

Getting ready

Complete the Eg.Core model and mappings from Chapter 2, Models and Mappings.

How to do it…

Create a new class library project named Eg.AttributeValidation.
Copy the Eg.Core model and mappings from Chapter 2, Models and Mappings to this new project.
Change the namespace and assembly references in the mappings to Eg.AttributeValidation.
Change the namespaces for the entity classes to Eg.AttributeValidation.
Install the NHibernate Validator package using NuGet Package Manager Console by running the following command:
```
Install-Package NHibernate.Validator -Project Eg.AttributeValidation
```

Create a new attribute class named NotNegativeDecimalAttribute with the following code:

[Serializable]
[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
    public class NotNegativeDecimalAttribute...

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Authors (4)

Liljas

Liljas

Gunnar Liljas is a software architect with more than 20 years' experience in developing and designing web-based solutions. His focus has been on data-driven content publishing, not only for the Web, but also for automated and on-demand print publishing. Currently, he spends most of his waking hours at the Swedish CRM supplier Revide, where he uses tools such as NHibernate and Redis to create targeted emails, text messages, and campaign web sites based on massive data sources. He's also one of the lead contributors to the NHibernate open source project. In his spare time, Gunnar sings in two classical choirs and often performs with the renowned Norrkping Symphony Orchestra.

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Darshan Joshi

Darshan Joshi

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Zaytsev

Zaytsev

Alexander Zaytsev discovered his passion for IT when he was a small kid, and since then he has dedicated his life to becoming an excellent software developer. Alexander has many years' experience in the IT field, analyzing, designing, and developing .NET-based enterprise applications, using cutting-edge technologies. He works as an independent consultant in the .NET space, providing technical expertise to all kinds of software development companies. He is an active member of open source and local development communities, and writes a blog at http://alexzaytsev.me. He is one of the main contributors to the NHibernate project, and one of the few people who really know the NHibernate internals. He is adept in Agile software development, and he believes that Agile practices such as test-driven development, pair programming, automated testing, continuous integration, and deployment are the keys to quality software. He lives in Auckland with his wife, Olga, and son, Stepan. In his spare time, he loves spending time with his family, cycling, and doing coding just for fun.

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Jason Dentler

Jason Dentler

Jason Dentler grew up in the small Texas town of Mission Valley. He started tinkering with computers as a kid in the late 1980s, and all these years later, he hasn't stopped. He's worked in a few different industries. Currently, he builds really awesome software in higher education. He's an Eagle Scout and a graduate of the University of Houston – Victoria.

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