| /* |
| * 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.aggregate; |
| |
| import java.util.*; |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.testing.framework.WriteObjectTest; |
| import org.eclipse.persistence.testing.models.aggregate.AddressDescription; |
| import org.eclipse.persistence.testing.models.aggregate.Employee; |
| import org.eclipse.persistence.testing.models.aggregate.Language; |
| import org.eclipse.persistence.testing.models.aggregate.ProjectDescription; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: This test checks to see if TopLink handles null's while cloning aggregates |
| * |
| * <p> |
| * <b>Motivation </b>: This test was written to fix a bug. While merging if the root of |
| * an aggregate object contained any null's a null pointer exception was |
| * raised. |
| * <p> |
| * <b>Design</b>: The Complex Aggregate model is used. An Employee is registered into the UOW, and then |
| * different levels of aggregation and relationship mappings are tested by setting them to |
| * null. |
| * |
| * <p> |
| * <b>Responsibilities</b>: Try to commit an object with a null part, the merge should proceed without |
| * a NullPointerException |
| * <p> |
| * <b>Features Used</b>: Aggregate Mappings, Unit Of Work |
| * |
| * <p> |
| * <b>Paths Covered</b>: Within the unit of work, different parts listed below were set to null: |
| * <ul> |
| * <li> <i>First and Last Name</i>, Direct To Field |
| * <li> <i>Project's Description</i>, Aggregate Objects, Direct To Field |
| * <li> <i>Period</i>, Third level Aggregate Object replaced |
| * <li> <i>Computer</i>, Aggregate Object's 1 to 1 mapped object |
| * <li> <i>Responsibilities</i>,Aggregate objects 1:M mapping |
| * <li> <i>Language Modified</i>, Aggregate objects M:M mapping |
| * <li> <i>null added to languages</i>, Aggregate objects M:M mapping |
| * </ul> |
| */ |
| public class CheckForNullUnitOfWorkTest extends WriteObjectTest { |
| public Object unitOfWorkWorkingCopy; |
| public UnitOfWork unitOfWork; |
| public UnitOfWork nestedUnitOfWork; |
| |
| /** |
| * CheckForNullUnitOfWorkTest constructor comment. |
| */ |
| public CheckForNullUnitOfWorkTest() { |
| super(); |
| } |
| |
| /** |
| * CheckForNullUnitOfWorkTest constructor comment. |
| * @param originalObject java.lang.Object |
| */ |
| public CheckForNullUnitOfWorkTest(Object originalObject) { |
| super(originalObject); |
| } |
| |
| protected void changeUnitOfWorkWorkingCopy() { |
| Employee employee = (Employee)this.unitOfWorkWorkingCopy; |
| AddressDescription addressDescription = employee.getAddressDescription(); |
| ProjectDescription projectDescription = employee.getProjectDescription(); |
| Language language; |
| Vector languages; |
| |
| //Root object changed |
| employee.setFirstName(null); |
| employee.setLastName(null); |
| //Third level aggregate object changed |
| addressDescription.setPeriodDescription(null); |
| //1 to 1 mapped object changed |
| projectDescription.getComputer().setValue(null); |
| //1 level aggregate's 1:M mapping |
| projectDescription.getResponsibilities().setValue(null); |
| languages = (Vector)projectDescription.getLanguages().getValue(); |
| language = (Language)languages.firstElement(); |
| language.setLanguage(null); |
| |
| // 1 level aggregate's M:M mapping, adding a new element |
| //languages.addElement(null); |
| } |
| |
| @Override |
| protected void setup() { |
| super.setup(); |
| |
| // Acquire first unit of work |
| this.unitOfWork = getSession().acquireUnitOfWork(); |
| |
| this.unitOfWorkWorkingCopy = this.unitOfWork.registerObject(this.objectToBeWritten); |
| changeUnitOfWorkWorkingCopy(); |
| // Use the original session for comparision |
| if (!compareObjects(this.originalObject, this.objectToBeWritten)) { |
| throw new TestErrorException("The original object was changed through changing the clone."); |
| } |
| } |
| |
| @Override |
| protected void test() { |
| this.unitOfWork.commit(); |
| } |
| |
| /** |
| * Verify if the objects match completely through allowing the session to use the descriptors. |
| * This will compare the objects and all of their privately owned parts. |
| */ |
| @Override |
| protected void verify() { |
| if (!(compareObjects(this.unitOfWorkWorkingCopy, this.objectToBeWritten))) { |
| throw new TestErrorException("The object in the unit of work has not been commited properly to its parent"); |
| } |
| |
| super.verify(); |
| } |
| } |