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Custom schedulers to execute @PreDestroy methods (#4716)
Signed-off-by: Jorge Bescos Gascon <jorge.bescos.gascon@oracle.com>
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77 changes: 77 additions & 0 deletions
77
...t/java/org/glassfish/jersey/tests/e2e/server/ScheduledThreadPoolExecutorProviderTest.java
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| /* | ||
| * Copyright (c) 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. | ||
| * | ||
| * This Source Code may also be made available under the following Secondary | ||
| * Licenses when the conditions for such availability set forth in the | ||
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, | ||
| * version 2 with the GNU Classpath Exception, which is available at | ||
| * https://www.gnu.org/software/classpath/license.html. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
| */ | ||
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| package org.glassfish.jersey.tests.e2e.server; | ||
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| import java.util.concurrent.RejectedExecutionHandler; | ||
| import java.util.concurrent.ScheduledThreadPoolExecutor; | ||
| import java.util.concurrent.ThreadFactory; | ||
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| import javax.inject.Singleton; | ||
| import javax.ws.rs.core.Application; | ||
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| import org.glassfish.jersey.server.BackgroundScheduler; | ||
| import org.glassfish.jersey.server.ResourceConfig; | ||
| import org.glassfish.jersey.spi.ScheduledThreadPoolExecutorProvider; | ||
| import org.glassfish.jersey.test.JerseyTest; | ||
| import org.junit.Test; | ||
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| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
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| public class ScheduledThreadPoolExecutorProviderTest { | ||
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| @Test | ||
| public void restartShutsdownScheduler() throws Exception { | ||
| WebContainer container = new WebContainer(); | ||
| container.setUp(); | ||
| container.tearDown(); | ||
| assertNotNull(CustomScheduledThreadPoolExecutorProvider.executor); | ||
| assertTrue(CustomScheduledThreadPoolExecutorProvider.selfRef.isClosed()); | ||
| assertTrue(CustomScheduledThreadPoolExecutorProvider.executor.isShutdown()); | ||
| } | ||
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| private static class WebContainer extends JerseyTest { | ||
| @Override | ||
| protected Application configure() { | ||
| return new ResourceConfig(CustomScheduledThreadPoolExecutorProvider.class); | ||
| } | ||
| } | ||
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| @BackgroundScheduler | ||
| @Singleton | ||
| public static class CustomScheduledThreadPoolExecutorProvider extends ScheduledThreadPoolExecutorProvider { | ||
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| private static CustomScheduledThreadPoolExecutorProvider selfRef; | ||
| private static ScheduledThreadPoolExecutor executor; | ||
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| public CustomScheduledThreadPoolExecutorProvider() { | ||
| this("CustomScheduledThreadPoolExecutorProvider"); | ||
| } | ||
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| public CustomScheduledThreadPoolExecutorProvider(String name) { | ||
| super(name); | ||
| CustomScheduledThreadPoolExecutorProvider.selfRef = this; | ||
| } | ||
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| @Override | ||
| protected ScheduledThreadPoolExecutor createExecutor(int corePoolSize, ThreadFactory threadFactory, | ||
| RejectedExecutionHandler handler) { | ||
| executor = new ScheduledThreadPoolExecutor(5, threadFactory, handler); | ||
| return executor; | ||
| } | ||
| } | ||
| } |