| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.mapping; |
| |
| import org.eclipse.persistence.descriptors.ClassDescriptor; |
| import org.eclipse.persistence.mappings.*; |
| import org.eclipse.persistence.testing.models.mapping.BabyMonitor; |
| import org.eclipse.persistence.testing.tests.mapping.TwoLevelJoinedAttributeTest; |
| |
| /** |
| * Bug 3142898 |
| * This test expands uppon TwoLevelJoinedAttributeTest to ensure that if joining |
| * is cyclical we still properly populate our objects. |
| */ |
| public class LoopingJoinedAttributeTest extends TwoLevelJoinedAttributeTest { |
| protected int oldJoinFetch; |
| |
| public LoopingJoinedAttributeTest() { |
| super(); |
| setDescription("Ensure objects that use joining in a cyclical manner work properly. (e.g. A joined to B joined to C joined to A))"); |
| } |
| |
| @Override |
| public void setup() { |
| super.setup(); |
| // add a join between BabyMonitor and Baby what will complete a loop when combined with the superclass' joins |
| ClassDescriptor descriptor = getSession().getClassDescriptor(BabyMonitor.class); |
| oldJoinFetch = ((OneToOneMapping)descriptor.getMappingForAttributeName("baby")).getJoinFetch(); |
| ((OneToOneMapping)descriptor.getMappingForAttributeName("baby")).useInnerJoinFetch(); |
| descriptor.reInitializeJoinedAttributes(); |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| ClassDescriptor descriptor = getSession().getClassDescriptor(BabyMonitor.class); |
| ((OneToOneMapping)descriptor.getMappingForAttributeName("baby")).setJoinFetch(oldJoinFetch); |
| descriptor.reInitializeJoinedAttributes(); |
| } |
| } |