| /* |
| * 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 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.Gamer; |
| import org.eclipse.persistence.testing.models.optimisticlocking.Knitting; |
| import org.eclipse.persistence.testing.models.optimisticlocking.Cooking; |
| import org.eclipse.persistence.testing.models.optimisticlocking.Skill; |
| |
| /** |
| * Test updating a value from a null DB value to a non-null value and back again. |
| * EL bug 319759 |
| * @author dminsky |
| */ |
| public class UpdateNullVariableOneToOneValueTest extends SwitchableOptimisticLockingPolicyTest { |
| |
| protected Gamer original; |
| protected Gamer original2; |
| |
| public UpdateNullVariableOneToOneValueTest(Class optimisticLockingPolicyClass) { |
| super(optimisticLockingPolicyClass); |
| addClassToModify(Gamer.class); |
| addClassToModify(Knitting.class); |
| addClassToModify(Cooking.class); |
| } |
| |
| @Override |
| public void setup() { |
| super.setup(); |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| original = new Gamer(); |
| original.setName("Bob"); |
| original.setSkill(null); // null skill |
| |
| original2 = new Gamer(); |
| original2.setName("Doug"); |
| |
| uow.registerObject(original); |
| uow.registerObject(original2); |
| uow.commit(); |
| } |
| |
| @Override |
| public void test() throws TestException { |
| try { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| |
| readObjectAndChangeAttributeValue(new Knitting("Knitting", "Lame")); |
| readObjectAndChangeAttributeValue(null); |
| readObjectAndChangeAttributeValue(new Cooking("Pwning", "Awesome")); |
| readObjectAndChangeAttributeValue(new Knitting("Knitting", "Still Lame")); |
| readObjectAndChangeAttributeValue(null); |
| |
| // delete the objects |
| deleteObject(original); |
| deleteObject(original2); |
| } catch (Exception tle) { |
| this.tlException = tle; |
| this.tlException.printStackTrace(); |
| } |
| } |
| |
| public void readObjectAndChangeAttributeValue(Skill newSkill) { |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| |
| Gamer clone = (Gamer) uow.readObject( |
| Gamer.class, |
| new ExpressionBuilder().get("id").equal(this.original.getId())); |
| |
| assertNotNull("The object returned should be not null", clone); |
| clone.setSkill(newSkill); |
| |
| uow.commit(); |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| this.original = null; |
| this.original2 = null; |
| } |
| |
| } |