cs544.exercise03_1.AppOwner.java Source code

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Here is the source code for cs544.exercise03_1.AppOwner.java

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package cs544.exercise03_1;

import java.util.Date;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

public class AppOwner {

    private static final SessionFactory sessionFactory;
    private static final ServiceRegistry serviceRegistry;

    static {
        Configuration configuration = new Configuration();
        configuration.configure();
        serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
        sessionFactory = configuration.buildSessionFactory(serviceRegistry);
    }

    public static void main(String[] args) {
        // Hibernate placeholders
        Session session = null;
        Transaction tx = null;

        try {
            session = sessionFactory.openSession();
            tx = session.beginTransaction();

            // Create new instance of Object and set values in it
            Owner owner = new Owner("Masudur Rahman", "Fairfield, IA");
            session.persist(owner);

            Owner owner2 = new Owner("Fahim Muntasir", "Dhaka, BD");

            session.persist(owner2);
            tx.commit();

        } catch (HibernateException e) {
            if (tx != null) {
                System.err.println("Rolling back: " + e.getMessage());
                tx.rollback();
            }
        } finally {
            if (session != null) {
                session.close();
            }
        }

        //retrieve book list from db
        try {
            session = sessionFactory.openSession();
            tx = session.beginTransaction();

            // retieve all books
            @SuppressWarnings("unchecked")
            List<Owner> ownerList = session.createQuery("from Owner").list();
            for (Owner owner : ownerList) {
                System.out.println("name= " + owner.getName() + ", address= " + owner.getAddress());
            }
            tx.commit();

        } catch (HibernateException e) {
            if (tx != null) {
                System.err.println("Rolling back: " + e.getMessage());
                tx.rollback();
            }
        } finally {
            if (session != null) {
                session.close();
            }
        }

    }

}