Skip to Content
Java 9 Dependency Injection
book

Java 9 Dependency Injection

by Nilang Patel, Krunal Patel
April 2018
Intermediate to advanced content levelIntermediate to advanced
246 pages
6h 11m
English
Packt Publishing
Content preview from Java 9 Dependency Injection

Using setter/field injection over constructor injection

This is probably the most easy and straightforward option. In circular dependency, if constructor injection creates a circular reference, you can defer the DI in the setter method. This allows Spring to load a bean context without any issues. The updated code would be as follows:

@Component("employee")public class Employee {  private HRService hrService;  @Autowired  public void setHrService(HRService hrService) {    this.hrService = hrService;    System.out.println(" HRService dependency is set ");  }}@Component("hrService")public class HRService {  private CommonUtilService commonUtilService;  @Autowired  public void setCommonUtilService(CommonUtilService commonUtilService) { this.commonUtilService ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Pro CDI 2 in Java EE 8: An In-Depth Guide to Context and Dependency Injection

Pro CDI 2 in Java EE 8: An In-Depth Guide to Context and Dependency Injection

Jan Beernink, Arjan Tijms
Dependency Injection

Dependency Injection

Dhananjay Prasanna

Publisher Resources

ISBN: 9781788296250Supplemental Content