| /* |
| * 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 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 all. |
| * This test must be run on a multi-CPU machine to be meaningful. |
| */ |
| public class ReadAllObjectsDatabaseSessionConcurrentTest extends ConcurrentPerformanceComparisonTest { |
| protected ThreadLocal session; |
| |
| public ReadAllObjectsDatabaseSessionConcurrentTest() { |
| setDescription("This tests the concurrency of read-all."); |
| } |
| |
| /** |
| * Set thread local. |
| */ |
| @Override |
| public void setup() { |
| super.setup(); |
| session = new ThreadLocal(); |
| } |
| |
| /** |
| * Find all employees |
| */ |
| @Override |
| public void runTask() throws Exception { |
| DatabaseSession dbSession = (DatabaseSession)session.get(); |
| if (dbSession == null) { |
| dbSession = new EmployeeProject().createDatabaseSession(); |
| dbSession.setLogin(getSession().getLogin()); |
| dbSession.login(); |
| session.set(dbSession); |
| } else { |
| dbSession.readAllObjects(Employee.class); |
| } |
| } |
| |
| /** |
| * Logout the main thread session, let the other garbage collect (hopefully). |
| */ |
| @Override |
| public void reset() { |
| super.reset(); |
| DatabaseSession dbSession = (DatabaseSession)session.get(); |
| dbSession.logout(); |
| session.set(null); |
| session = null; |
| } |
| } |