import java.io.Serializable;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.event.SaveOrUpdateEvent;
import org.hibernate.event.def.DefaultSaveOrUpdateEventListener;
public class Main {
public static void main(String[] args) throws Exception {
HibernateUtil hibernateUtil = new HibernateUtil();
hibernateUtil
.executeSQLCommand("create table Product(id int, name varchar, description varchar, price decimal(6,2), supplierid int)");
hibernateUtil.executeSQLCommand("create table Supplier (id int , name varchar)");
hibernateUtil
.executeSQLCommand("create table Software(id int, name varchar, description varchar, price decimal(6,2), supplierid int, version varchar)");
hibernateUtil.getConfiguration().setListener("save-update", new MySaveOrUpdateEventListener());
Session session = hibernateUtil.getConfiguration().buildSessionFactory().openSession();
Supplier superCorp = new Supplier();
superCorp.setName("Supplier1");
session.save(superCorp);
Supplier megaInc = new Supplier();
megaInc.setName("Supplier2");
session.save(megaInc);
Product mouse = new Product("Product1", "first product", 20.0);
mouse.setSupplier(superCorp);
superCorp.getProducts().add(mouse);
session.flush();
Product mouse2 = new Product("Product2", "second product", 22.0);
mouse2.setSupplier(superCorp);
superCorp.getProducts().add(mouse2);
Product keyboard = new Product("Product3", "third product", 30.0);
keyboard.setSupplier(megaInc);
megaInc.getProducts().add(keyboard);
Software webBrowser = new Software("Web Browser", "new browser", 75.0, "2.0");
webBrowser.setSupplier(superCorp);
superCorp.getProducts().add(webBrowser);
Software email = new Software("Email", "email client", 49.99, "4.1 Edition");
email.setSupplier(megaInc);
megaInc.getProducts().add(email);
session.flush();
session.close();
hibernateUtil.checkData("select * from Product");
hibernateUtil.checkData("select * from Software");
hibernateUtil.checkData("select * from Supplier");
}
}
class MySaveOrUpdateEventListener extends DefaultSaveOrUpdateEventListener {
public void onSaveOrUpdate(SaveOrUpdateEvent event) {
System.out.println(event.getEntity());
super.onSaveOrUpdate(event);
}
}
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