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Learning NHibernate 4

You're reading from   Learning NHibernate 4 Explore the full potential of NHibernate to build robust data access code

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Product type Paperback
Published in Jul 2015
Publisher Packt
ISBN-13 9781784393564
Length 402 pages
Edition 1st Edition
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Author (1):
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Suhas H Chatekar Suhas H Chatekar
Author Profile Icon Suhas H Chatekar
Suhas H Chatekar
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Table of Contents (13) Chapters Close

Preface 1. Introduction to NHibernate FREE CHAPTER 2. Let's Build a Simple Application 3. Let's Tell NHibernate About Our Database 4. NHibernate Warm-up 5. Let's Store Some Data into the Database 6. Let's Retrieve Some Data from the Database 7. Optimizing the Data Access Layer 8. Using NHibernate in a Real-world Application 9. Advanced Data Access Patterns 10. Working with Legacy Database 11. A Whirlwind Tour of Other NHibernate Features Index

Specification pattern


Specification pattern is a reusable and object-oriented way of applying business rules on domain entities. The primary use of specification pattern is to select subset of entities from a larger collection of entities based on some rules. An important characteristic of specification pattern is combining multiple rules by chaining them together.

Specification pattern was in existence before ORMs and other data access patterns had set their feet in the development community. The original form of specification pattern dealt with in-memory collections of entities. The pattern was then adopted to work with ORMs such as NHibernate as people started seeing the benefits that specification pattern could bring about. We would first discuss specification pattern in its original form. That would give us a good understanding of the pattern. We would then modify the implementation to make it fit with NHibernate.

Specification pattern in its original form

Let's look into an example of...

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