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You're reading from Spring 5 Design Patterns Master efficient application development with patterns such as proxy, singleton, the template method, and more

Product type Paperback

Published in Oct 2017

Publisher Packt

ISBN-13 9781788299459

Length 396 pages

Edition 1st Edition

Languages

Java

Tools

Spring

Concepts

Application Development

Author (1):

Dinesh Rajput

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Table of Contents (13) Chapters

Preface

1. Getting Started with Spring Framework 5.0 and Design Patterns FREE CHAPTER

2. Overview of GOF Design Patterns - Core Design Patterns

3. Consideration of Structural and Behavioral Patterns

4. Wiring Beans using the Dependency Injection Pattern

5. Understanding the Bean Life Cycle and Used Patterns

6. Spring Aspect Oriented Programming with Proxy and Decorator pattern

7. Accessing a Database with Spring and JDBC Template Patterns

8. Accessing Database with Spring ORM and Transactions Implementing Patterns

9. Improving Application Performance Using Caching Patterns

10. Implementing the MVC Pattern in a Web Application using Spring

11. Implementing Reactive Design Patterns

12. Implementing Concurrency Patterns

The data access object pattern

The data access object (DAO) pattern is a very popular design pattern for the persistent layer in a J2EE application. It separates the business logic layer and persistence layer. The DAO pattern is based on the encapsulation and abstraction object-oriented principles. The context for using the DAO pattern is to access and persist data depending on the underlying vendor implementation and type of storage, such as object-oriented database, flat files, relational databases, and so on. Using the DAO pattern, you can create a DAO interface, and implement this DAO interface to abstract and encapsulate all access to the data source. This DAO implementation manages the database's resources like connections with the data source.

The DAO interfaces are very generic to all the underlying data source mechanisms, and don't need to change for any changes in the low-level persistence technologies. This pattern allows you to adopt any different data access technologies without...