| /* |
| * 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.optimisticlocking; |
| |
| import java.util.Iterator; |
| import java.util.ArrayList; |
| |
| import org.eclipse.persistence.expressions.ExpressionBuilder; |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| |
| import org.eclipse.persistence.testing.framework.TestException; |
| import org.eclipse.persistence.testing.models.optimisticlocking.Camera; |
| import org.eclipse.persistence.testing.models.optimisticlocking.Controller; |
| import org.eclipse.persistence.testing.models.optimisticlocking.GamesConsole; |
| import org.eclipse.persistence.testing.models.optimisticlocking.PowerSupplyUnit; |
| |
| /** |
| * Test updating a value from a null DB value to a non-null value and back again. |
| * EL bug 319759 |
| * @author dminsky |
| */ |
| public class UpdateNullOneToManyValueTest extends SwitchableOptimisticLockingPolicyTest { |
| |
| protected GamesConsole original; |
| protected GamesConsole original2; |
| |
| public UpdateNullOneToManyValueTest(Class<?> optimisticLockingPolicyClass) { |
| super(optimisticLockingPolicyClass); |
| addClassToModify(GamesConsole.class); |
| addClassToModify(Controller.class); |
| } |
| |
| @Override |
| public void setup() { |
| super.setup(); |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| original = new GamesConsole("PloughStation4", "black"); |
| original.setCamera(new Camera("eye", "black")); |
| original.setPsu(new PowerSupplyUnit("0-123-456-789")); |
| // no controllers |
| |
| original2 = new GamesConsole(); |
| original2.setName("Segone"); |
| |
| uow.registerObject(original); |
| uow.registerObject(original2); |
| uow.commit(); |
| } |
| |
| @Override |
| public void test() throws TestException { |
| try { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| |
| Controller controller1 = new Controller("7axis", "blue"); |
| Controller controller2 = new Controller("dualshocking", null); |
| Controller controller3 = new Controller(null, "red"); |
| Controller controller4 = new Controller("dualshocking", "green"); |
| Controller controller5 = new Controller("moov", "black"); |
| |
| readObjectAndChangeAttributeValue(controller1); |
| readObjectAndChangeAttributeValue(controller2); |
| readObjectAndChangeAttributeValue(controller3); |
| updateFirstObject(null); |
| updateFirstObject("triplaxis"); |
| updateFirstObject(null); |
| readObjectAndChangeAttributeValue(null); |
| readObjectAndChangeAttributeValue(controller4); |
| readObjectAndChangeAttributeValue(controller5); |
| updateFirstObject("quadraxis"); |
| updateFirstObject(null); |
| readObjectAndChangeAttributeValue(null); |
| |
| // delete the objects |
| deleteObject(original); |
| deleteObject(original2); |
| } catch (Exception tle) { |
| this.tlException = tle; |
| this.tlException.printStackTrace(); |
| } |
| } |
| |
| public void readObjectAndChangeAttributeValue(Controller newController) { |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| |
| GamesConsole clone = (GamesConsole) uow.readObject( |
| GamesConsole.class, |
| new ExpressionBuilder().get("id").equal(this.original.getId())); |
| |
| assertNotNull("The object returned should be not null", clone); |
| |
| if (newController == null) { // remove all |
| Iterator<Controller> controllers = new ArrayList(clone.getControllers()).iterator(); |
| while (controllers.hasNext()) { |
| Controller c = controllers.next(); |
| c.setName(null); |
| clone.removeController(c); |
| } |
| } else { |
| clone.addController(newController); |
| } |
| |
| uow.commit(); |
| } |
| |
| public void updateFirstObject(String description) { |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| |
| GamesConsole clone = (GamesConsole) uow.readObject( |
| GamesConsole.class, |
| new ExpressionBuilder().get("id").equal(this.original.getId())); |
| |
| assertNotNull("The object returned should be not null", clone); |
| |
| if (!clone.getControllers().isEmpty()) { |
| Controller c = clone.getControllers().get(0); |
| c.setDescription(description); |
| c.setName(null); |
| } |
| |
| uow.commit(); |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| this.original = null; |
| this.original2 = null; |
| } |
| |
| } |