import javax.persistence.*;
@Entity
@Table(name = "students")
public class Student {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "student_id")
private Integer studentId;
@Column(name = "name")
private String name;
@Column(name = "age")
private Integer age;
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/mydb</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">password</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<property name="hcr.enabled">true</property>
<property name="hcr.connection.url">jdbc:mysql://localhost:3306/mydb_backup</property>
<property name="hcr.connection.username">root</property>
<property name="hcr.connection.password">password</property>
</session-factory>
</hibernate-configuration>
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class Main {
public static void main(String[] args) {
Configuration configuration = new Configuration().configure();
SessionFactory sessionFactory = configuration.buildSessionFactory();
Session session = sessionFactory.openSession();
session.beginTransaction();
Student student = new Student();
student.setAge(20);
session.save(student);
session.getTransaction().commit();
session.close();
sessionFactory.close();
}
}
