| /* |
| * 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 |
| package org.eclipse.persistence.testing.tests.inheritance; |
| |
| import org.eclipse.persistence.exceptions.DatabaseException; |
| import org.eclipse.persistence.queries.ReadObjectQuery; |
| import org.eclipse.persistence.sessions.DatabaseSession; |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.framework.TestWarningException; |
| import org.eclipse.persistence.testing.models.inheritance.BaseProject; |
| import org.eclipse.persistence.testing.models.inheritance.BudgettedProject; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: This test checks to see if the Unit of Work Identity Map functions with the Inheritance mappings. |
| * <p> |
| * <p> |
| * <b>Motivation </b>: This test was written to test inheritance using UnitOfWorkIdentityMapAccessor. |
| * <p> |
| * <b>Responsibilities</b>: Check if the unit of work identity map works correctly with inheritance. |
| * <p> |
| * <p> |
| * */ |
| public class UnitOfWorkIdentityMapAccessorTest extends AutoVerifyTestCase { |
| |
| private UnitOfWork unitOfWork; |
| private BaseProject baseProject; |
| private Object result; |
| |
| public UnitOfWorkIdentityMapAccessorTest() { |
| super(); |
| } |
| |
| @Override |
| protected void setup() { |
| DatabaseSession session = (DatabaseSession)getSession(); |
| UnitOfWork uow = session.acquireUnitOfWork(); |
| baseProject = new BaseProject(); |
| baseProject.setName("Bob"); |
| uow.registerNewObject(baseProject); |
| uow.commit(); |
| } |
| |
| @Override |
| protected void test() { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| unitOfWork = getSession().acquireUnitOfWork(); |
| |
| ReadObjectQuery query = new ReadObjectQuery(BaseProject.class); |
| query.setShouldRefreshIdentityMapResult(true); |
| unitOfWork.getParent().executeQuery(query); |
| |
| // Fetch the object of another subclass using same PK as fetched above for different object. |
| result = unitOfWork.getIdentityMapAccessor().getFromIdentityMap(baseProject.getId(), BudgettedProject.class); |
| } |
| |
| /** |
| * Verify if the objects fetched does not belong to other subclass. |
| */ |
| @Override |
| protected void verify() { |
| try { |
| if (result != null && !(result instanceof BudgettedProject)) { |
| throw new TestErrorException("The object fetched from identity map accessor belong to different subclass " + result.getClass().getName()); |
| } |
| } catch (DatabaseException exception) { |
| if (getSession().getPlatform().isDBase()) { |
| throw new TestWarningException("This fails because of some strange bug in the DBase driver. " + exception.getMessage()); |
| } else { |
| throw exception; |
| } |
| } finally { |
| unitOfWork.release(); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| DatabaseSession session = (DatabaseSession)getSession(); |
| UnitOfWork uow = session.acquireUnitOfWork(); |
| uow.deleteObject(baseProject); |
| uow.commit(); |
| |
| this.unitOfWork = null; |
| this.result = null; |
| this.baseProject = null; |
| } |
| } |