| /* |
| * 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; |
| |
| import java.util.Vector; |
| |
| import org.eclipse.persistence.sessions.SessionEventListener; |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.framework.TestProblemException; |
| import org.eclipse.persistence.testing.framework.WriteObjectTest; |
| 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.LargeProject; |
| import org.eclipse.persistence.testing.models.employee.domain.SmallProject; |
| |
| |
| public class UnitOfWorkResumeOnFailureTest extends WriteObjectTest { |
| public Employee unitOfWorkWorkingCopy; |
| public UnitOfWork unitOfWork; |
| // On some platforms (Sybase) if conn1 updates a row but hasn't yet committed transaction then |
| // reading the row through conn2 may hang. |
| // To avoid this problem the listener would decrement transaction isolation level, |
| // then reading through conn2 no longer hangs, however may result (results on Sybase) |
| // in reading of uncommitted data. |
| SessionEventListener listener; |
| |
| public UnitOfWorkResumeOnFailureTest(Employee originalObject) { |
| super(originalObject); |
| } |
| |
| protected void changeInFirstUnitOfWork() { |
| // Many to many |
| unitOfWorkWorkingCopy.setProjects(new Vector()); |
| unitOfWorkWorkingCopy.addProject((org.eclipse.persistence.testing.models.employee.domain.Project)this.unitOfWork.readObject(SmallProject.class)); |
| unitOfWorkWorkingCopy.addProject((org.eclipse.persistence.testing.models.employee.domain.Project)this.unitOfWork.readObject(LargeProject.class)); |
| // Direct collection |
| unitOfWorkWorkingCopy.setResponsibilitiesList(new Vector()); |
| unitOfWorkWorkingCopy.addResponsibility("does not make cafee"); |
| unitOfWorkWorkingCopy.addResponsibility("does not buy donuts"); |
| |
| // One to one private/public |
| // Ugly test for register new objects. |
| Address address = |
| (new org.eclipse.persistence.testing.models.employee.domain.EmployeePopulator()).addressExample10(); |
| unitOfWorkWorkingCopy.setAddress(address); |
| unitOfWorkWorkingCopy.setManager((Employee)this.unitOfWork.readObject(Employee.class)); |
| |
| // Cause an error in the employee on the database, set the name too big. |
| unitOfWorkWorkingCopy.setFirstName(new String(new byte[100])); |
| } |
| |
| protected void changeInSecondUnitOfWork() { |
| // Many to many |
| unitOfWorkWorkingCopy.setProjects(new Vector()); |
| // Direct collection |
| unitOfWorkWorkingCopy.addResponsibility("eat not buy donuts"); |
| // One to one private/public |
| unitOfWorkWorkingCopy.setAddress((new org.eclipse.persistence.testing.models.employee.domain.EmployeePopulator()).addressExample12()); |
| unitOfWorkWorkingCopy.setManager(null); |
| |
| // revert the invalid data |
| unitOfWorkWorkingCopy.setFirstName("Bojo"); |
| } |
| |
| @Override |
| public void reset() { |
| super.reset(); |
| if(listener != null) { |
| getAbstractSession().getParent().getEventManager().removeListener(listener); |
| listener = null; |
| } |
| } |
| |
| @Override |
| protected void setup() { |
| if (getSession().isRemoteSession()) { |
| throwWarning("Test not supported on remote."); |
| } |
| if (getSession().isClientSession()) { |
| listener = checkTransactionIsolation(); |
| } |
| |
| super.setup(); |
| |
| // Acquire first unit of work |
| this.unitOfWork = getSession().acquireUnitOfWork(); |
| |
| } |
| |
| @Override |
| protected void test() { |
| //First test to see if it works without registering any objects. |
| //The motivation for this is a bug that was found. |
| this.unitOfWork.commitAndResumeOnFailure(); |
| |
| //now register the object |
| this.unitOfWorkWorkingCopy = (Employee)this.unitOfWork.registerObject(this.objectToBeWritten); |
| |
| changeInFirstUnitOfWork(); |
| |
| // Use the original session for comparision |
| if (compareObjects(this.originalObject, this.unitOfWorkWorkingCopy)) { |
| throw new TestErrorException("The original object was changed through changing the clone."); |
| } |
| |
| //Force a failure |
| getSession().executeNonSelectingCall(new org.eclipse.persistence.queries.SQLCall("update EMPLOYEE set VERSION = 0 where EMP_ID = " + |
| this.unitOfWorkWorkingCopy.getId())); |
| try { |
| this.unitOfWork.commitAndResumeOnFailure(); |
| throw new TestProblemException("Should have failed"); |
| } catch (Exception exception) { |
| getAbstractSession().rollbackTransaction(); |
| getAbstractSession().beginTransaction(); |
| changeInSecondUnitOfWork(); |
| } |
| |
| // Use the original session for comparision |
| if (compareObjects(this.originalObject, this.unitOfWorkWorkingCopy)) { |
| throw new TestErrorException("The original object was changed through changing the clone."); |
| } |
| |
| this.unitOfWork.commitAndResumeOnFailure(); |
| |
| this.unitOfWork.release(); |
| } |
| |
| /** |
| * 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() { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| // Acquire first unit of work |
| this.unitOfWork = getSession().acquireUnitOfWork(); |
| this.unitOfWork.beginEarlyTransaction(); |
| this.objectFromDatabase = this.unitOfWork.executeQuery(this.query); |
| |
| try{ |
| if (!(compareObjects(this.unitOfWorkWorkingCopy, this.objectFromDatabase))) { |
| throw new TestErrorException("The object inserted into the database, '" |
| + this.objectFromDatabase + "' does not match the original, '" |
| + this.unitOfWorkWorkingCopy + "'."); |
| } |
| if (!((Employee)this.objectFromDatabase).getResponsibilitiesList().contains("eat not buy donuts")){ |
| throw new TestErrorException("The Changes made after the resume were lost because the deferred set was not merged into new ChangeSet"); |
| } |
| }finally{ |
| this.unitOfWork.release(); |
| } |
| } |
| } |