/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.jpa.test.orphan.onetomany;
import java.util.List;
import javax.persistence.EntityManager;
import org.junit.Test;
import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.testing.FailureExpected;
import org.hibernate.testing.TestForIssue;
import static org.junit.Assert.assertEquals;
/**
* @author Gail Badner
*/
public class DeleteOneToManyOrphansTest extends BaseEntityManagerFunctionalTestCase {
private void createData() {
EntityManager entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
Feature newFeature = new Feature();
newFeature.setName("Feature 1");
entityManager.persist( newFeature );
Product product = new Product();
newFeature.setProduct( product );
product.getFeatures().add( newFeature );
entityManager.persist( product );
entityManager.getTransaction().commit();
entityManager.clear();
}
private void cleanupData() {
EntityManager entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
entityManager.createQuery( "delete Feature" ).executeUpdate();
entityManager.createQuery( "delete Product" ).executeUpdate();
entityManager.getTransaction().commit();
entityManager.close();
}
@Test
@TestForIssue( jiraKey = "HHH-9568")
@FailureExpected( jiraKey = "HHH-9568" )
public void testOrphanedWhileManaged() {
createData();
EntityManager entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
List results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 1, results.size() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
Product product = ( Product ) results.get( 0 );
assertEquals( 1, product.getFeatures().size() );
product.getFeatures().clear();
entityManager.getTransaction().commit();
entityManager.close();
entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
product = entityManager.find( Product.class, product.getId() );
assertEquals( 0, product.getFeatures().size() );
results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 0, results.size() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
entityManager.getTransaction().commit();
entityManager.close();
cleanupData();
}
@Test
@TestForIssue( jiraKey = "HHH-9568")
@FailureExpected( jiraKey = "HHH-9568" )
public void testOrphanedWhileManagedMergeOwner() {
createData();
EntityManager entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
List results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 1, results.size() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
Product product = ( Product ) results.get( 0 );
assertEquals( 1, product.getFeatures().size() );
product.getFeatures().clear();
entityManager.merge( product );
entityManager.getTransaction().commit();
entityManager.close();
entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
product = entityManager.find( Product.class, product.getId() );
assertEquals( 0, product.getFeatures().size() );
results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 0, results.size() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
entityManager.getTransaction().commit();
entityManager.close();
cleanupData();
}
@Test
@TestForIssue( jiraKey = "HHH-9568")
@FailureExpected( jiraKey = "HHH-9568" )
public void testReplacedWhileManaged() {
createData();
EntityManager entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
List results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 1, results.size() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
Product product = ( Product ) results.get( 0 );
assertEquals( 1, product.getFeatures().size() );
// Replace with a new Feature instance
product.getFeatures().remove( 0 );
Feature featureNew = new Feature();
featureNew.setName( "Feature 2" );
featureNew.setProduct( product );
product.getFeatures().add( featureNew );
entityManager.persist( featureNew );
entityManager.getTransaction().commit();
entityManager.close();
entityManager = getOrCreateEntityManager();
entityManager.getTransaction().begin();
results = entityManager.createQuery( "from Feature" ).getResultList();
assertEquals( 1, results.size() );
Feature featureQueried = (Feature) results.get( 0 );
assertEquals( featureNew.getId(), featureQueried.getId() );
results = entityManager.createQuery( "from Product" ).getResultList();
assertEquals( 1, results.size() );
Product productQueried = (Product) results.get( 0 );
assertEquals( 1, productQueried.getFeatures().size() );
assertEquals( featureQueried, productQueried.getFeatures().get( 0 ) );
entityManager.getTransaction().commit();
entityManager.close();
cleanupData();
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[]{
Product.class,
Feature.class
};
}
}