| /* |
| * 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.expressions.*; |
| 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 read object cache hits. |
| * This test must be run on a multi-CPU machine to be meaningful. |
| */ |
| public class ReadObjectCachedUOWConcurrentTest extends ConcurrentPerformanceComparisonTest { |
| protected Employee employee; |
| protected List allObjects; |
| |
| public ReadObjectCachedUOWConcurrentTest() { |
| setDescription("This tests the concurrency of read-object cache hits."); |
| } |
| |
| /** |
| * Find any employee. |
| */ |
| @Override |
| public void setup() { |
| super.setup(); |
| Expression expression = new ExpressionBuilder().get("firstName").equal("Bob"); |
| employee = (Employee)getServerSession().acquireClientSession().readObject(Employee.class, expression); |
| // Fully load the cache. |
| allObjects = getServerSession().acquireClientSession().readAllObjects(Employee.class); |
| } |
| |
| /** |
| * Cached read-object. |
| */ |
| @Override |
| public void runTask() throws Exception { |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| uow.readObject(employee); |
| uow.release(); |
| } |
| } |