| /* |
| * 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.queries; |
| |
| import org.eclipse.persistence.internal.sessions.AbstractSession; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.sessions.SessionEventAdapter; |
| import org.eclipse.persistence.sessions.SessionEvent; |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| |
| /** |
| * Test for Bug 2834266 - tests a change made to the bug fix after the fix was checked in. |
| * Ensures proper clean up occurs for transactions that are begun prematurely but do not make |
| * any changes. |
| * Uses pessimistic locking as a means of getting a transaction to begin prematurely |
| */ |
| public class PessimisticLockEmptyTransactionTest extends AutoVerifyTestCase { |
| protected UnitOfWork uow = null; |
| |
| // anonymous inner class for event handling. |
| protected SessionEventAdapter eventAdapter = new SessionEventAdapter() { |
| @Override |
| public void postCommitUnitOfWork(SessionEvent event) { |
| if (((AbstractSession)event.getSession()).isInTransaction()) { |
| stillInTransaction(); |
| } |
| } |
| }; |
| protected boolean stillInTransaction = false; |
| |
| public PessimisticLockEmptyTransactionTest() { |
| setDescription("Test to ensure that transactions using Pessimistic Locking which do not " + " make modifications properly close their transactions."); |
| } |
| |
| public void stillInTransaction() { |
| stillInTransaction = true; |
| } |
| |
| @Override |
| public void setup() { |
| checkSelectForUpateSupported(); |
| // HANA supports SELECT FOR UPDATE but not with queries that select from multiple tables |
| if (getSession().getPlatform().isHANA()) { |
| throw new TestWarningException("This database does not support FOR UPDATE on multiple tables"); |
| } |
| |
| getSession().getEventManager().addListener(eventAdapter); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| stillInTransaction = false; |
| } |
| |
| @Override |
| public void test() { |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| Employee employeeObject = (Employee)uow.readObject(Employee.class); |
| uow.refreshAndLockObject(employeeObject); |
| uow.commit(); |
| } |
| |
| @Override |
| public void verify() { |
| if (stillInTransaction) { |
| throw new TestErrorException("Unit of Work Commit did not close the transaction for empty transaction using Pessimistic Locking."); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| getSession().getEventManager().removeListener(eventAdapter); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| // If lock failed must ensure transaction is rolledback. |
| if (getAbstractSession().isInTransaction()) { |
| rollbackTransaction(); |
| } |
| } |
| } |