| /* |
| * 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.unitofwork.transactionisolation; |
| |
| import org.eclipse.persistence.expressions.Expression; |
| import org.eclipse.persistence.expressions.ExpressionBuilder; |
| import org.eclipse.persistence.queries.ReadObjectQuery; |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; |
| import org.eclipse.persistence.testing.models.employee.domain.Address; |
| import org.eclipse.persistence.testing.models.employee.domain.Employee; |
| import org.eclipse.persistence.testing.models.employee.domain.Project; |
| import org.eclipse.persistence.testing.models.employee.domain.SmallProject; |
| |
| |
| /** |
| * Tests the Session read refactoring / reading through the write connection |
| * properly feature. |
| * <p> |
| * This test verifies that if we do a refresh while in transaction, we do |
| * not update the original in the shared cache. As we are reading via the |
| * write connection, we would just end up merging uncommitted changes into the |
| * shared cache. |
| * @author smcritch |
| */ |
| public class TransactionIsolationRefreshTest extends AutoVerifyTestCase { |
| UnitOfWork unitOfWork; |
| String oldName; |
| Address oldAddress; |
| ReadObjectQuery refreshQuery; |
| |
| @Override |
| protected void setup() throws Exception { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| unitOfWork = getSession().acquireUnitOfWork(); |
| |
| refreshQuery = new ReadObjectQuery(Employee.class); |
| refreshQuery.refreshIdentityMapResult(); |
| refreshQuery.cascadeAllParts(); |
| } |
| |
| @Override |
| public void reset() throws Exception { |
| if (unitOfWork != null) { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| unitOfWork.release(); |
| unitOfWork = null; |
| refreshQuery = null; |
| } |
| } |
| |
| @Override |
| public void test() { |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| Expression criteria = builder.get("period").get("endDate").notNull(); |
| |
| Employee employee = (Employee)getSession().readObject(Employee.class, criteria); |
| |
| Address dummyAddress = new Address(); |
| dummyAddress.setCity("El Paso"); |
| Employee dummyManager = new Employee(); |
| dummyManager.setFirstName("Bill"); |
| Project dummyProject = new SmallProject(); |
| dummyProject.setName("survive"); |
| |
| // set up a pretend refresh: make changes to the original! |
| employee.setFirstName("budd"); |
| employee.setAddress(dummyAddress); |
| employee.getProjects().clear(); |
| employee.getProjects().add(dummyProject); |
| employee.getPeriod().setEndDate(null); |
| employee.setManager(dummyManager); |
| |
| Employee clone = (Employee)unitOfWork.registerObject(employee); |
| |
| unitOfWork.beginEarlyTransaction(); |
| |
| refreshQuery.setSelectionObject(clone); |
| clone = (Employee)unitOfWork.executeQuery(refreshQuery); |
| |
| // first verify that we did not touch the original... |
| strongAssert(employee.getFirstName() == "budd", |
| "Should not have refreshed the original (direct to field)"); |
| strongAssert(employee.getAddress() == dummyAddress, |
| "Should not have refreshed the original (private one to one)"); |
| strongAssert(employee.getProjects().elementAt(0) == dummyProject, |
| "Should not have refreshed the originial (many to many)"); |
| strongAssert(employee.getPeriod().getEndDate() == null, |
| "Should not have refreshed the originial (aggregate)"); |
| strongAssert(employee.getManager() == dummyManager, |
| "Should not have refreshed the originial (one to one)"); |
| |
| // Now verify that we correctly refreshed the clone. |
| strongAssert(!clone.getFirstName().equals("budd"), "Did not refresh the clone (direct to field)"); |
| strongAssert(!clone.getAddress().getCity().equals("El Paso"), |
| "Did not refresh the clone (private one to one)"); |
| strongAssert(clone.getProjects().size() != 1 || |
| !(clone.getProjects().elementAt(0) instanceof SmallProject) || |
| !((SmallProject)clone.getProjects().elementAt(0)).getName().equals("survive"), |
| "Did not refresh the clone (many to many)"); |
| strongAssert(clone.getPeriod().getEndDate() != null, "Did not refresh the clone (aggregate)"); |
| strongAssert((clone.getManager() == null) || !clone.getManager().getFirstName().equals("Bill"), |
| "Did not refresh the clone (one to one)"); |
| } |
| } |