| /* |
| * 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.unitofwork; |
| |
| import org.eclipse.persistence.descriptors.DescriptorEvent; |
| import org.eclipse.persistence.descriptors.DescriptorEventAdapter; |
| |
| |
| public class ConcurrentRefreshEventAdapter extends DescriptorEventAdapter { |
| |
| public ConcurrentRefreshEventAdapter() { |
| } |
| |
| /** |
| * Wait until the refresh has completed |
| */ |
| @Override |
| public void postMerge(DescriptorEvent event) { |
| try { |
| synchronized (ConcurrentRefreshOnUpdateTest.lock) { |
| if (ConcurrentRefreshOnUpdateTest.depth <= 0) { |
| if (ConcurrentRefreshOnUpdateTest.readerWaiting) { |
| ConcurrentRefreshOnUpdateTest.lock.notifyAll(); |
| } |
| // ConcurrentRefreshOnUpdateTest.writerWaiting = true; |
| |
| |
| // ConcurrentRefreshOnUpdateTest.writerWaiting = false; |
| } else { |
| --ConcurrentRefreshOnUpdateTest.depth; |
| } |
| } |
| //we will sleep he in hopes that the refresh will have had time to complete |
| //waiting is not possible as there is no events available before releaseDefered lock is attempted |
| Thread.sleep(10000); |
| } catch (InterruptedException ex) { |
| //ignore |
| } |
| } |
| |
| } |