Book Image

Spring 5 Design Patterns

By : Dinesh Rajput
Book Image

Spring 5 Design Patterns

By: Dinesh Rajput

Overview of this book

Design patterns help speed up the development process by offering well tested and proven solutions to common problems. These patterns coupled with the Spring framework offer tremendous improvements in the development process. The book begins with an overview of Spring Framework 5.0 and design patterns. You will understand the Dependency Injection pattern, which is the main principle behind the decoupling process that Spring performs, thus making it easier to manage your code. You will learn how GoF patterns can be used in Application Design. You will then learn to use Proxy patterns in Aspect Oriented Programming and remoting. Moving on, you will understand the JDBC template patterns and their use in abstracting database access. Then, you will be introduced to MVC patterns to build Reactive web applications. Finally, you will move on to more advanced topics such as Reactive streams and Concurrency. At the end of this book, you will be well equipped to develop efficient enterprise applications using Spring 5 with common design patterns
Table of Contents (20 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface

Best practices for Spring ORM and transaction module in an application


The following are the practices that we have to follow in the design and development of an application:

Avoid using Spring's HibernateTemplate helper class in the DAO implementation, and use SessionFactory and EntityManager in your application. Because of the contextual session capability of Hibernate, use SessionFactory directly in your DAOs. Additionally, use getCurrentSession() method to access the transactional current session in order to perform persistence operations in the application. Please refer to the following code:

    @Repository 
    public class HibernateAccountRepository implements 
    AccountRepository { 
      SessionFactory sessionFactory; 
      public HibernateAccountRepository(SessionFactory 
      sessionFactory) { 
        super(); 
        this.sessionFactory = sessionFactory; 
      } 
     //... 
   } 

In your application, always use the @Repository annotation for data access objects or repositories...