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You're reading from Spring 5.0 Cookbook Recipes to build, test, and run Spring applications efficiently

Product type Paperback

Published in Sep 2017

Publisher Packt

ISBN-13 9781787128316

Length 670 pages

Edition 1st Edition

Languages

Java

Tools

Spring

Concepts

Application Development

Author (1):

Sherwin John C. Tragura

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Table of Contents (14) Chapters

Preface

1. Getting Started with Spring FREE CHAPTER

2. Learning Dependency Injection (DI)

3. Implementing MVC Design Patterns

4. Securing Spring MVC Applications

5. Cross-Cutting the MVC

6. Functional Programming

7. Reactive Programming

8. Reactive Web Applications

9. Spring Boot 2.0

10. The Microservices

11. Batch and Message-Driven Processes

12. Other Spring 5 Features

13. Testing Spring 5 Components

Managing DAO transactions

Aspects do not only intercept the service layer but also the data transaction layer. This recipe will give us a concrete scenario when AOP is needed in most DAO transactions. Aspects implemented for the DAO layer are just limited to logging, tracing, and validating tasks due to undesirable effects when transactions become complex.

Getting started

Open ch05 and add an @Aspect that will filter null record(s) from JdbcSimpleInsert and JdbcTemplate.

How to do it...

Our first AOP implementation will be applied for managing DAO transactions. Follow the following procedure to log all the DAO transactions using aspects, advices and Pointcuts:

Before this recipe starts, be sure to have the EmployeeDao and EmployeeDaoImpl inside the packages org.packt.aop.transaction.dao and org.packt.aop.transaction.dao.impl, respectively.
To apply aspects to our DAO transactions, let us create an @Aspect inside the package org.packt.aop.transaction.core that will monitor getEmployees() and getEmployee...