design patterns

Chain of Command Design Pattern

Do Factory is a very good website for design patterns, including diagrams and nice code samples.

 

A very nice design which not many uses is the Chain of Responsibility. Here's a link to a theoretical description of Chain of Responsibility pattern. A more real life example for a potential use can be found in this article, which demonstrates its use when implementing a validation chain.

Itsu Tamam 23/08/2009 - 10:47
C#, design patterns, Object Oriented, OOD, OOP
Increase code reuse and enhance performance

The authors describe base domain entities, behavior in the domain model, and more-advanced features of a generic DAO. They also share strategies for enhancing data-retrieval performance with the domain model.

yanai 18/05/2008 - 21:32
design patterns, Hibernate, Resource
Strategies and best practices for modern ORM

Although many developers use object-relational mapping (ORM) tools for their applications' persistence tier, some are confused about how to use them and duplicate code unnecessarily. The authors' experience constructing many persistence tiers has given them a clear understanding of persistence patterns and best practices. The first part of this two-part article covers the basics of a consistent, concise domain model and persistence tier.

yanai 18/05/2008 - 21:30
design patterns, Hibernate, Resource
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