/*
* 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.collection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.OrderColumn;
import org.hibernate.envers.Audited;
import org.hibernate.envers.test.BaseEnversJPAFunctionalTestCase;
import org.hibernate.envers.test.Priority;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.transaction.TransactionUtil;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author Chris Cranford
*/
@TestForIssue(jiraKey = "HHH-7940")
public class OrderColumnListTest extends BaseEnversJPAFunctionalTestCase {
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] { Parent.class };
}
@Test
@Priority(10)
public void initData() {
// Revision 1 - Create indexed entries.
TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
Parent p = new Parent( 1 );
p.getChildren().add( "child1" );
p.getChildren().add( "child2" );
entityManager.persist( p );
} );
// Revision 2 - remove an indexed entry, resetting positions.
TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
final Parent p = entityManager.find( Parent.class, 1 );
// should remove child with id 1
p.getChildren().remove( 0 );
entityManager.merge( p );
} );
// Revision 3 - add new indexed entity to reset positions
TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
final Parent p = entityManager.find( Parent.class, 1 );
// add child with id 3
p.getChildren().add( 0, "child3" );
entityManager.merge( p );
} );
// Revision 4 - remove all children
TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
final Parent p = entityManager.find( Parent.class, 1 );
p.getChildren().clear();
entityManager.merge( p );
} );
}
@Test
public void testRevisionCounts() {
assertEquals( Arrays.asList( 1, 2, 3, 4 ), getAuditReader().getRevisions( Parent.class, 1 ) );
}
@Test
public void testIndexedCollectionRev1() {
final Parent p = getAuditReader().find( Parent.class, 1, 1 );
assertEquals( 2, p.getChildren().size() );
assertEquals( Arrays.asList( "child1", "child2" ), p.getChildren() );
}
@Test
public void testIndexedCollectionRev2() {
final Parent p = getAuditReader().find( Parent.class, 1, 2 );
assertEquals( 1, p.getChildren().size() );
assertEquals( Arrays.asList( "child2" ), p.getChildren() );
}
@Test
public void testIndexedCollectionRev3() {
final Parent p = getAuditReader().find( Parent.class, 1, 3 );
assertEquals( 2, p.getChildren().size() );
assertEquals( Arrays.asList( "child3", "child2" ), p.getChildren() );
}
@Test
public void testIndexedCollectionRev4() {
final Parent p = getAuditReader().find( Parent.class, 1, 4 );
assertEquals( 0, p.getChildren().size() );
}
@Audited
@Entity(name = "Parent")
public static class Parent {
@Id
private Integer id;
@ElementCollection
@OrderColumn
private List<String> children = new ArrayList<String>();
Parent() {
}
Parent(Integer id) {
this.id = id;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public List<String> getChildren() {
return children;
}
public void setChildren(List<String> children) {
this.children = children;
}
@Override
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( o == null || getClass() != o.getClass() ) {
return false;
}
Parent parent = (Parent) o;
return id != null ? id.equals( parent.id ) : parent.id == null;
}
@Override
public int hashCode() {
return id != null ? id.hashCode() : 0;
}
@Override
public String toString() {
return "Parent{" +
"id=" + id +
", children=" + children +
'}';
}
}
}