com.agilejerry.orm.AnnotationsIllustrationTest.java Source code

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Here is the source code for com.agilejerry.orm.AnnotationsIllustrationTest.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package com.agilejerry.orm;

import java.util.Date;
import java.util.List;

import junit.framework.TestCase;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.agilejerry.orm.model.Event;

/**
 * Illustrates the use of Hibernate native APIs.  The code here is unchanged from the {@code basic} example, the
 * only difference being the use of annotations to supply the metadata instead of Hibernate mapping files.
 *
 * @author Steve Ebersole
 */
public class AnnotationsIllustrationTest {
    private SessionFactory sessionFactory;

    @Before
    public void setUp() throws Exception {
        // A SessionFactory is set up once for an application
        sessionFactory = new Configuration().configure() // configures settings from hibernate.cfg.xml
                .buildSessionFactory();
    }

    @After
    public void tearDown() throws Exception {
        if (sessionFactory != null) {
            sessionFactory.close();
        }
    }

    @Test
    public void testBasicUsage() {
        // create a couple of events...
        Session session = sessionFactory.openSession();
        session.beginTransaction();
        Event evantA = new Event("Our very first event!", new Date());
        session.save(evantA);
        Event evantB = new Event("A follow up event", new Date());
        session.save(evantB);
        session.getTransaction().commit();
        session.close();

        // now lets pull events from the database and list them
        session = sessionFactory.openSession();
        session.beginTransaction();
        List result = session.createQuery("from Event").list();
        for (Event event : (List<Event>) result) {
            System.out.println("Event (" + event.getDate() + ") : " + event.getTitle());
        }
        session.getTransaction().commit();
        session.close();

        //remove the added records
        session = sessionFactory.openSession();
        session.beginTransaction();
        session.delete(evantA);
        session.delete(evantB);
        session.getTransaction().commit();
        session.close();
    }
}