| /* |
| * 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.performance.concurrent; |
| |
| import java.util.*; |
| import org.eclipse.persistence.exceptions.*; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.testing.models.performance.toplink.*; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * This test compares the concurrency of updates. |
| * This test must be run on a multi-CPU machine to be meaningful. |
| */ |
| public class UpdateAnyObjectCachedConcurrentRegressionTest extends ConcurrentPerformanceRegressionTest { |
| protected int index; |
| protected List allObjects; |
| |
| public UpdateAnyObjectCachedConcurrentRegressionTest() { |
| setDescription("This tests the concurrency of updates."); |
| } |
| |
| /** |
| * Load all employees. |
| */ |
| @Override |
| public void setup() { |
| super.setup(); |
| this.allObjects = new ArrayList(getServerSession().acquireClientSession().readAllObjects(Employee.class)); |
| this.index = 0; |
| } |
| |
| public synchronized int incrementIndex() { |
| this.index++; |
| if (this.index >= this.allObjects.size()) { |
| this.index = 0; |
| } |
| return this.index; |
| } |
| |
| /** |
| * Update an object. |
| */ |
| @Override |
| public void runTask() throws Exception { |
| int currentIndex = incrementIndex(); |
| Employee employee = (Employee)this.allObjects.get(currentIndex); |
| Session client = getServerSession().acquireClientSession(); |
| UnitOfWork uow = client.acquireUnitOfWork(); |
| employee = (Employee)uow.readObject(employee); |
| employee.setSalary(employee.getSalary() + 1); |
| try { |
| uow.commit(); |
| } catch (OptimisticLockException exception) { |
| System.out.println(exception); |
| } |
| client.release(); |
| } |
| } |