But if we are going to integrate the hibernate application with spring, we don't need to create the hibernate. We can provide all the information in the applicationContext. The Spring framework provides HibernateTemplate class, so you don't need to follow so many steps like create Configuration, BuildSessionFactory, Session, beginning and committing transaction etc. In this example, we are going to integrate the hibernate application with spring. Let's see the directory structure of spring and hibernate example. In this example, we are using the Oracle as the database, but you may use any database.
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We saw how to use Hibernate in standalone Java applications and in web applications in the earlier chapter and in this chapter, we will discuss how to integrate hibernate with Spring Framework. We all know Spring and hibernate both are popular frameworks and so a lot can be achieved using both together. There are multiple ways we can use to integrate Spring with hibernate.
Lets discuss the approaches one by one. As its name suggests, this factory bean is responsible to create the hibernate session factories. If we are using hibernate4 then org. LocalSessionFactoryBean and for hibernate3 use org. In case you are using Hibernate4 with annotated entity beans then use annotatedClasses property to map annotated classes.
This is subclass of LocalSessionFactoryBean class and is used for Annotation based hibernate entities hibernate version 3. Note- LocalSessionFactoryBean and AnnotationSessionFactoryBean classes are innermost classes and other two approaches are dependent on any one these approaches. Depending on the hibernate version we can use.
Hibernate template class depends on session factory so we need to define a session factory and provide its reference using sessionFactory property. We can directly pass the session factory object or can pass hibernate template class as well in the subclasses of HibernateDoaSupport. Subclasses can call getHibernateTemplate method to get the hibernate template which will be either explicitly passed hibernate template or the one created based on provided session factory.
Create an application as we did in chapter 5 of this tutorial. LocalSessionFactoryBean In case you are using Hibernate4 with annotated entity beans then use annotatedClasses property to map annotated classes. HibernateTemplate Hibernate template class depends on session factory so we need to define a session factory and provide its reference using sessionFactory property. Create beans. Create BookDao Class package com. List; import org. Session; import org. SessionFactory; import org. ApplicationContext; import org.
ClassPathXmlApplicationContext; import com. Book; import com. Create Test Program import java. Create BookDao class package com. Like us on Facebook Wideskills.
Spring Hibernate Integration Tutorial
Comment In this tutorial, you will see how to integrate Spring and Hibernate. I assume you are comfortable with both. At the end of this example, you will learn to create a form through which you can add a user and list all the existing users, as shown below. The most important part of the example is the spring bean configuration. Here is the spring bean configuration file.
Spring Hibernate Integration Example Tutorial (Spring 4 + Hibernate 3 and Hibernate 4)
The tutorial is a part of the Java Certification Training Course. It is a mechanism to connect to the database and execute SQL queries. The database-related logic has to be placed in separate classes called DAO classes. Spring provides org. It abstracts the Database Resource Allocation Logic. JDBC throws java. Nervous about your next interview?