/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
 *
 * 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 org.hibernate.envers.test.integration.cache;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.integration.onetoone.bidirectional.BiRefEdEntity;
import org.hibernate.envers.test.integration.onetoone.bidirectional.BiRefIngEntity;
import org.junit.Test;

import javax.persistence.EntityManager;

/**
 * @author Adam Warski (adam at warski dot org)
 */
@SuppressWarnings({"ObjectEquality"})
public class OneToOneCache extends AbstractEntityTest {
    private Integer ed1_id;
    private Integer ed2_id;

    private Integer ing1_id;

    public void configure(Ejb3Configuration cfg) {
        cfg.addAnnotatedClass(BiRefEdEntity.class);
        cfg.addAnnotatedClass(BiRefIngEntity.class);
    }

    @Test
    @Priority(10)
    public void initData() {
        BiRefEdEntity ed1 = new BiRefEdEntity(1, "data_ed_1");
        BiRefEdEntity ed2 = new BiRefEdEntity(2, "data_ed_2");

        BiRefIngEntity ing1 = new BiRefIngEntity(3, "data_ing_1");

        // Revision 1
        EntityManager em = getEntityManager();
        em.getTransaction().begin();

        ing1.setReference(ed1);

        em.persist(ed1);
        em.persist(ed2);

        em.persist(ing1);

        em.getTransaction().commit();

        // Revision 2
        em.getTransaction().begin();

        ing1 = em.find(BiRefIngEntity.class, ing1.getId());
        ed2 = em.find(BiRefEdEntity.class, ed2.getId());

        ing1.setReference(ed2);

        em.getTransaction().commit();

        //

        ed1_id = ed1.getId();
        ed2_id = ed2.getId();

        ing1_id = ing1.getId();
    }

    @Test
    public void testCacheReferenceAccessAfterFindRev1() {
        BiRefEdEntity ed1_rev1 = getAuditReader().find(BiRefEdEntity.class, ed1_id, 1);
        BiRefIngEntity ing1_rev1 = getAuditReader().find(BiRefIngEntity.class, ing1_id, 1);

        assert ing1_rev1.getReference() == ed1_rev1;
    }

    @Test
    public void testCacheReferenceAccessAfterFindRev2() {
        BiRefEdEntity ed2_rev2 = getAuditReader().find(BiRefEdEntity.class, ed2_id, 2);
        BiRefIngEntity ing1_rev2 = getAuditReader().find(BiRefIngEntity.class, ing1_id, 2);

        assert ing1_rev2.getReference() == ed2_rev2;
    }
}