| /* |
| * 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: |
| // John Vandale - initial API and implementation |
| // 12/14/2017-3.0 Tomas Kraus |
| // - 291546: Performance degradation due to usage of Vector in DescriptorEventManager |
| package org.eclipse.persistence.testing.tests.workbenchintegration; |
| |
| import java.io.File; |
| import java.util.List; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import org.eclipse.persistence.descriptors.ClassDescriptor; |
| import org.eclipse.persistence.descriptors.DescriptorEventAdapter; |
| import org.eclipse.persistence.descriptors.DescriptorEventListener; |
| import org.eclipse.persistence.sessions.factories.XMLProjectReader; |
| import org.eclipse.persistence.sessions.factories.XMLProjectWriter; |
| import org.eclipse.persistence.testing.models.employee.domain.Employee; |
| import org.eclipse.persistence.testing.models.employee.relational.EmployeeProject; |
| |
| /** |
| * Bug 295383 |
| * Test to ensure that NonSynchronizedVector is used instead of java.util.Vector |
| * for event listeners collection when coming from project XML. |
| */ |
| public class EventListenerCollectionTest extends org.eclipse.persistence.testing.framework.TestCase { |
| |
| protected org.eclipse.persistence.sessions.Project project = null; |
| public static final String FILENAME = "EventListenersCollectionShouldBeNonSynchronizedTest.xml"; |
| |
| public EventListenerCollectionTest() { |
| setDescription("Ensure event listeners collection is a NonSynchronizedVector."); |
| } |
| |
| @Override |
| public void setup() { |
| project = new EmployeeProject(); |
| |
| ClassDescriptor descriptor = |
| project.getDescriptors().get(Employee.class); |
| |
| descriptor.getEventManager().addListener(new DescriptorEventAdapter()); |
| } |
| |
| @Override |
| public void test() { |
| XMLProjectWriter.write(FILENAME, project); |
| project = XMLProjectReader.read(FILENAME, getClass().getClassLoader()); |
| } |
| |
| @Override |
| public void verify() { |
| ClassDescriptor descriptor = |
| project.getDescriptors().get(Employee.class); |
| |
| List<DescriptorEventListener> listeners = descriptor.getEventManager().getEventListeners(); |
| |
| //test that the collection type is a NonSynchronizedVector |
| if (!(listeners instanceof CopyOnWriteArrayList)) { |
| throwError("Descriptor from project XML with event listeners does not use CopyOnWriteArrayList for event listeners collection."); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| File file = new File(FILENAME); |
| file.delete(); |
| } |
| } |