example01.java

来自「java游戏核心源代码 对于喜欢java游戏的可以看看 和有帮助的」· Java 代码 · 共 78 行

import contacts.ContactInfo;
import contacts.PhoneNumber;
import net.sf.hibernate.Session;
import net.sf.hibernate.SessionFactory;
import net.sf.hibernate.cfg.Configuration;
import net.sf.hibernate.tool.hbm2ddl.SchemaUpdate;

public class Example01 {

    public static void main(String[] args) throws Exception {

        // load configuration
        Configuration config = new Configuration();
        config.configure();

        // update database schema if required
        new SchemaUpdate(config).execute(true);

        // open a session
        SessionFactory sessionFactory = config.buildSessionFactory();
        Session session = sessionFactory.openSession();

        // create a contact
        ContactInfo contact = new ContactInfo();
        contact.setFirstName("Bart");
        contact.setLastName("Simpson");

        PhoneNumber phone = new PhoneNumber();
        phone.setCountryCode("999");
        phone.setAreaCode("666");
        phone.setNumber("6969");

        contact.setPhone(phone);

        System.out.println("add contact to database...");
        try {
            session.save(contact);

            session.flush();
            session.connection().commit();
        } catch (Exception e) {
            session.connection().rollback();
        }

        System.out.println("contact:" + contact);

        // update details of contact
        contact.setLastName("Williamson");
        contact.getPhone().setNumber("7777");

        System.out.println("update the database with new details...");
        try {
            session.update(contact);

            session.flush();
            session.connection().commit();
        }
        catch(Exception e) {
            session.connection().rollback();
        }

        System.out.println("delete contact from database...");
        try {
            session.delete(contact);

            session.flush();
            session.connection().commit();
        } catch (Exception e) {
            session.connection().rollback();
        }

        // close the session
        session.close();
        sessionFactory.close();

    }
}