| /* |
| * 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.simultaneous; |
| |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.testing.models.employee.domain.Employee; |
| |
| import org.eclipse.persistence.testing.framework.AutoVerifyTestCase; |
| import org.eclipse.persistence.testing.models.employee.domain.SmallProject; |
| |
| public class ConcurrencyTest extends AutoVerifyTestCase { |
| |
| Employee emp = null; |
| SmallProject project = null; |
| |
| |
| public ConcurrencyTest() { |
| super(); |
| } |
| |
| |
| @Override |
| protected void setup() throws Throwable { |
| super.setup(); |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| project = new SmallProject(); |
| uow.registerNewObject(project); |
| emp = new Employee(); |
| uow.registerNewObject(emp); |
| uow.commit(); |
| } |
| |
| @Override |
| protected void test() throws Throwable { |
| // TODO Auto-generated method stub |
| super.test(); |
| Integer i = 5; |
| Thread thread1 = new Thread(new Runner1(i, emp.getId(),project.getId(),getSession())); |
| thread1.setName("Runner1"); |
| Thread thread2 = new Thread(new Runner2(i, emp.getId(),project.getId(),getSession())); |
| thread2.setName("Runner2"); |
| thread2.start(); |
| thread1.start(); |
| try { |
| Thread.sleep(8000); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| synchronized (i) { |
| i.notifyAll(); |
| } |
| try { |
| thread2.join(30000); |
| thread1.join(30000); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| if (thread2.isAlive() || thread1.isAlive()){ |
| thread2.interrupt(); |
| thread1.interrupt(); |
| fail("Dead-lock occurred"); |
| } |
| |
| } |
| |
| @Override |
| public void reset() throws Throwable { |
| super.reset(); |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| this.emp = (Employee)uow.readObject(emp); |
| this.emp.getProjects().clear(); |
| uow.deleteObject(uow.readObject(project)); |
| uow.deleteObject(emp); |
| uow.commit(); |
| } |
| } |