| /* |
| * 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: |
| // dminsky - initial API and implementation |
| package org.eclipse.persistence.testing.tests.collections; |
| |
| import java.util.*; |
| |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.mappings.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.internal.helper.*; |
| |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.collections.*; |
| |
| /* |
| * Test that removing a child object from a parent 1:M collection in a UoW also removes |
| * the child object from the original parent's 1:M collection. This scenario is executed |
| * with uow.setShouldPerformDeletesFirst(true) and uow.setShouldPerformDeletesFirst(false) |
| * @author dminsky |
| */ |
| public class PerformDeletesFirstCollectionObjectRemovalTest extends TestCase { |
| |
| protected int startSize; |
| protected int endSize; |
| protected boolean shouldPerformDeletesFirst; |
| protected boolean privateOwnedSetting; |
| protected OneToManyMapping menusMapping; |
| |
| public PerformDeletesFirstCollectionObjectRemovalTest(boolean shouldPerformDeletesFirst) { |
| super(); |
| setDescription("Test removing an element from a collection with UoW shouldPerformDeletesFirst"); |
| this.shouldPerformDeletesFirst = shouldPerformDeletesFirst; |
| } |
| |
| @Override |
| protected void setup() { |
| menusMapping = (OneToManyMapping)getSession().getDescriptor( |
| Restaurant.class).getMappingForAttributeName("menus"); |
| privateOwnedSetting = menusMapping.isPrivateOwned(); |
| menusMapping.setIsPrivateOwned(false); // switch private owned off for programmatic delete |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| beginTransaction(); |
| } |
| |
| @Override |
| protected void test() { |
| Restaurant restaurantOriginal = (Restaurant)getSession().readObject( |
| Restaurant.class, |
| new ExpressionBuilder().get("name").equal("Chez Abuse")); |
| startSize = restaurantOriginal.getMenus().size(); |
| |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| |
| Restaurant restaurantClone = (Restaurant) uow.registerObject(restaurantOriginal); |
| |
| assertTrue(restaurantClone.getMenus() != null); |
| Collection menus = restaurantClone.getMenus().values(); |
| assertFalse(menus.isEmpty()); |
| |
| Menu menuClone = (Menu)menus.toArray()[0]; |
| assertNotNull(menuClone); |
| |
| restaurantClone.setName("Chez Snooty"); // force an update of the parent |
| restaurantClone.removeMenu(menuClone); |
| |
| assertFalse(restaurantClone.getMenus().containsValue(menuClone)); |
| |
| uow.deleteObject(menuClone); |
| uow.setShouldPerformDeletesFirst(shouldPerformDeletesFirst); |
| uow.commit(); |
| |
| endSize = restaurantOriginal.getMenus().size(); |
| } |
| |
| @Override |
| protected void verify() { |
| // we remove 1 element from the collection, so expected size is startSize - 1 |
| if (endSize != (startSize - 1)) { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append("Parent collection was not updated correctly."); |
| buffer.append(Helper.cr()); |
| buffer.append("Start size: "); |
| buffer.append(startSize); |
| buffer.append(" End size: "); |
| buffer.append(endSize); |
| buffer.append(" Perform deletes first: "); |
| buffer.append(this.shouldPerformDeletesFirst); |
| throw new TestErrorException(buffer.toString()); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| rollbackTransaction(); |
| menusMapping.setIsPrivateOwned(privateOwnedSetting); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| |
| } |