/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009, Red Hat, Inc. and/or its affiliates 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 org.hibernate.test.resulttransformer;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.ScrollableResults;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.testing.junit.functional.FunctionalTestCase;
import org.hibernate.transform.ResultTransformer;
/**
* @author Sharath Reddy
*
*/
public class ResultTransformerTest extends FunctionalTestCase {
public ResultTransformerTest(String string) {
super(string);
}
/**
* HHH-3694 ResultTransformer not used when scroll() is used on a named SQLQuery
*/
public void testResultTransformerIsAppliedToScrollableResults() throws Exception
{
Session s = openSession();
Transaction tx = s.beginTransaction();
PartnerA a = new PartnerA();
a.setName("Partner A");
PartnerB b = new PartnerB();
b.setName("Partner B");
Contract obj1 = new Contract();
obj1.setName("Contract");
obj1.setA(a);
obj1.setB(b);
s.save(a);
s.save(b);
s.save(obj1);
tx.commit();
s.close();
s = openSession();
Query q = s.getNamedQuery(Contract.class.getName() + ".testQuery");
q.setFetchSize(100);
q.setResultTransformer(new ResultTransformer() {
private static final long serialVersionUID = -5815434828170704822L;
public Object transformTuple(Object[] arg0, String[] arg1)
{
// return only the PartnerA object from the query
return arg0[1];
}
@SuppressWarnings("unchecked")
public List transformList(List arg0)
{
return arg0;
}
});
ScrollableResults sr = q.scroll();
sr.first();
Object[] row = sr.get();
assertEquals(1, row.length);
Object obj = row[0];
assertTrue(obj instanceof PartnerA);
PartnerA obj2 = (PartnerA) obj;
assertEquals("Partner A", obj2.getName());
s.close();
}
public String[] getMappings() {
return new String[] { "resulttransformer/Contract.hbm.xml" };
}
}