foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/optimisticlocking/OptimisticLockingPolicyChangedValueUpdateTest.java

/*
 * 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.optimisticlocking;

import org.eclipse.persistence.testing.framework.*;
import org.eclipse.persistence.exceptions.*;
import org.eclipse.persistence.sessions.UnitOfWork;
import org.eclipse.persistence.testing.models.optimisticlocking.SelfUpdatable;

/**
 * Test the optimistic locking feature by changing the write lock value on
 * the database.
 */
public class OptimisticLockingPolicyChangedValueUpdateTest extends OptimisticLockingPolicyDeleteRowTest {
    public OptimisticLockingPolicyChangedValueUpdateTest(Class<?> aClass) {
        super(aClass);
        setDescription("This test verifies that an optimistic lock exception is thrown on update when the write lock is changed");
    }

    @Override
    protected void verify() {
        boolean exceptionCaught = false;

        try {
            UnitOfWork uow = getSession().acquireUnitOfWork();
            SelfUpdatable object = (SelfUpdatable)uow.registerObject(originalObject);
            object.update();
            uow.commit();
        } catch (OptimisticLockException exception) {
            exceptionCaught = true;
        }

        if (!exceptionCaught) {
            throw new TestErrorException("No Optimistic Lock exception was thrown");
        }
    }
}