Cascading updates hibernate

Cascading can be done and enabled in either ways in hibernate. By using XML mapping file or by using annotations. We need to declare the cascade in the relationship variable in the XML mapping file of our hibernate project. When using annotations you can make use of Cascade annotation and mention CascadeType. If you want to mention multiple Cascade operations, you can do so by specifying them in a comma-separated string.

In this way, cascading makes it easy and automatic to enable the functionality and operations for the referenced objects without writing special lines of code for it. However, you should be careful while using Cascade as this could result in unexpected behavior when not wanted. But they get deleted because setting the cascade to all. So, be careful while using cascading. This is a guide to Cascade in Hibernate. Here we discuss the introduction, examples and cascading in hibernate.

You may also have a look at the following articles to learn more —. Submit Next Question. By signing up, you agree to our Terms of Use and Privacy Policy. Forgot Password? This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. OneToMany; import javax. Table; import org. Cascade; import org.

JoinColumn ;. ManyToOne ;. JoinColumn; import javax. ManyToOne; import javax. SessionFactory ;. Configuration ;. SessionFactory; import org. HashSet ;. Session ;. Transaction ;. Address ;. Applicant ;. HibernateUtil ;. HashSet; import java. I am using hibernate with JPA annotations for relationship mapping. So here is the modified mapping code. Things work fine. With CascadeType. But when I delete the userGroup object. The child object are deleted too.

There is no CascadeType. How do I achieve this. If I remove the CascadeType. JPA only has persist and merge. So, if you want to use cascading on Hibernate-proprietary methods, you'll need to use Hibernate-proprietary annotations. In this case, Cascade. ALL includes CascadeType. The solution is to use all CascadeType. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?