/*
* 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.envers.test.integration.modifiedflags;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityManager;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.onetomany.ListRefEdEntity;
import org.hibernate.envers.test.entities.onetomany.ListRefIngEntity;
import org.hibernate.testing.TestForIssue;
import org.junit.Test;
import static org.hibernate.envers.test.tools.TestTools.extractRevisionNumbers;
import static org.hibernate.envers.test.tools.TestTools.makeList;
import static org.junit.Assert.assertEquals;
/**
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
public class HasChangedMergeTest extends AbstractModifiedFlagsEntityTest {
private Integer parent1Id = null;
private Integer child1Id = null;
private Integer parent2Id = null;
private Integer child2Id = null;
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] {ListRefEdEntity.class, ListRefIngEntity.class};
}
@Test
@Priority(10)
public void initData() {
EntityManager em = getEntityManager();
// Revision 1 - data preparation
em.getTransaction().begin();
ListRefEdEntity parent1 = new ListRefEdEntity( 1, "initial data" );
parent1.setReffering( new ArrayList<ListRefIngEntity>() ); // Empty collection is not the same as null reference.
ListRefEdEntity parent2 = new ListRefEdEntity( 2, "initial data" );
parent2.setReffering( new ArrayList<ListRefIngEntity>() );
em.persist( parent1 );
em.persist( parent2 );
em.getTransaction().commit();
// Revision 2 - inserting new child entity and updating parent
em.getTransaction().begin();
parent1 = em.find( ListRefEdEntity.class, parent1.getId() );
ListRefIngEntity child1 = new ListRefIngEntity( 1, "initial data", parent1 );
em.persist( child1 );
parent1.setData( "updated data" );
parent1 = em.merge( parent1 );
em.getTransaction().commit();
// Revision 3 - updating parent, flushing and adding new child
em.getTransaction().begin();
parent2 = em.find( ListRefEdEntity.class, parent2.getId() );
parent2.setData( "updated data" );
parent2 = em.merge( parent2 );
em.flush();
ListRefIngEntity child2 = new ListRefIngEntity( 2, "initial data", parent2 );
em.persist( child2 );
em.getTransaction().commit();
parent1Id = parent1.getId();
child1Id = child1.getId();
parent2Id = parent2.getId();
child2Id = child2.getId();
em.close();
}
@Test
@TestForIssue(jiraKey = "HHH-7948")
public void testOneToManyInsertChildUpdateParent() {
List list = queryForPropertyHasChanged( ListRefEdEntity.class, parent1Id, "data" );
assertEquals( 2, list.size() );
assertEquals( makeList( 1, 2 ), extractRevisionNumbers( list ) );
list = queryForPropertyHasChanged( ListRefEdEntity.class, parent1Id, "reffering" );
assertEquals( 2, list.size() );
assertEquals( makeList( 1, 2 ), extractRevisionNumbers( list ) );
list = queryForPropertyHasChanged( ListRefIngEntity.class, child1Id, "reference" );
assertEquals( 1, list.size() );
assertEquals( makeList( 2 ), extractRevisionNumbers( list ) );
}
@Test
@TestForIssue(jiraKey = "HHH-7948")
public void testOneToManyUpdateParentInsertChild() {
List list = queryForPropertyHasChanged( ListRefEdEntity.class, parent2Id, "data" );
assertEquals( 2, list.size() );
assertEquals( makeList( 1, 3 ), extractRevisionNumbers( list ) );
list = queryForPropertyHasChanged( ListRefEdEntity.class, parent2Id, "reffering" );
assertEquals( 2, list.size() );
assertEquals( makeList( 1, 3 ), extractRevisionNumbers( list ) );
list = queryForPropertyHasChanged( ListRefIngEntity.class, child2Id, "reference" );
assertEquals( 1, list.size() );
assertEquals( makeList( 3 ), extractRevisionNumbers( list ) );
}
}