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Add LazyServiceComponentActivationDeadLockTest
Reproducer test for: https://github.com/eclipse-equinox/equinox.framework/issues/55
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@@ -2,3 +2,4 @@ | |
| /bundle_tests/ | ||
| /inner/ | ||
| .DS_Store | ||
| /OSGI-INF/org.eclipse.osgi.*.xml | ||
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bundles/org.eclipse.osgi.tests/.settings/org.eclipse.pde.ds.annotations.prefs
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| classpath=true | ||
| dsVersion=V1_3 | ||
| eclipse.preferences.version=1 | ||
| enabled=true | ||
| generateBundleActivationPolicyLazy=true | ||
| path=OSGI-INF | ||
| validationErrorLevel=error | ||
| validationErrorLevel.missingImplicitUnbindMethod=error |
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.../org/eclipse/osgi/tests/services/resolver/LazyServiceComponentActivationDeadLockTest.java
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| /******************************************************************************* | ||
| * Copyright (c) 2022, 2022 Hannes Wellmann and others. | ||
| * | ||
| * This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License 2.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Hannes Wellmann - initial API and implementation | ||
| *******************************************************************************/ | ||
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| package org.eclipse.osgi.tests.services.resolver; | ||
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| import static org.junit.Assert.assertNotNull; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.CopyOnWriteArrayList; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.Future; | ||
| import java.util.concurrent.TimeUnit; | ||
| import org.junit.Test; | ||
| import org.osgi.framework.BundleContext; | ||
| import org.osgi.framework.FrameworkUtil; | ||
| import org.osgi.framework.ServiceReference; | ||
| import org.osgi.service.component.annotations.Activate; | ||
| import org.osgi.service.component.annotations.Component; | ||
| import org.osgi.service.component.annotations.Reference; | ||
| import org.osgi.service.component.annotations.ReferenceCardinality; | ||
| import org.osgi.service.component.annotations.ReferencePolicy; | ||
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| public class LazyServiceComponentActivationDeadLockTest { | ||
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| // TODO: add test cases for dead-lock due to lazy activation in different | ||
| // bundles?! | ||
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| @Test | ||
| public void testLateBindingInSameBundleDeadLock() throws Exception { | ||
| BundleContext ctx = FrameworkUtil.getBundle(LazyServiceComponentActivationDeadLockTest.class) | ||
| .getBundleContext(); | ||
| ServiceReference<ProjectConfigurationManager> reference = ctx | ||
| .getServiceReference(ProjectConfigurationManager.class); | ||
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| ExecutorService executor = Executors.newSingleThreadExecutor(); | ||
| try { | ||
| Future<ProjectConfigurationManager> service = executor.submit(() -> ctx.getService(reference)); | ||
| assertNotNull(service.get(5, TimeUnit.SECONDS)); // times out in case of dead-lock | ||
| } finally { | ||
| executor.shutdown(); | ||
| // ctx.ungetService(reference); | ||
| } | ||
| } | ||
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| @Component(service = ProjectConfigurationManager.class) | ||
| public static class ProjectConfigurationManager { | ||
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| @Reference | ||
| MavenImpl maven; | ||
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| @Reference | ||
| MavenModelManager mavenModelManager; | ||
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| } | ||
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| @Component(service = MavenModelManager.class) | ||
| public static class MavenModelManager { | ||
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| @Reference | ||
| private MavenProjectManager projectManager; | ||
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| // The nested component below ensures that the activation of this component | ||
| // starts after the activation of MavenProjectManager has started in the SCR | ||
| // Actor thread. | ||
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| @Reference | ||
| HeavyComponent AAA; // Capital letters are important to ensure this reference is handled first | ||
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| @Component(service = HeavyComponent.class) | ||
| public static class HeavyComponent { | ||
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| @Activate | ||
| public void activated() throws InterruptedException { | ||
| MavenProjectManager.HeavyComponent.ACTIVATED.await(); | ||
| } | ||
| } | ||
| } | ||
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| @Component(service = MavenProjectManager.class) | ||
| public static class MavenProjectManager { | ||
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| private final List<ProjectConfigurationManager> listenerManager = new ArrayList<>(); | ||
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| @Reference(cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC) | ||
| public void addMavenProjectChangedListener(ProjectConfigurationManager listener) { | ||
| listenerManager.add(listener); | ||
| } | ||
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| public void removeMavenProjectChangedListener(ProjectConfigurationManager listener) { | ||
| listenerManager.remove(listener); | ||
| } | ||
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| // The nested component below ensures that the activation of this component | ||
| // starts after the activation of MavenModelManager has started in the main | ||
| // thread. | ||
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| @Reference | ||
| HeavyComponent AAA; // Capital letters are important to ensure this reference is handled first | ||
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| @Component(service = HeavyComponent.class) | ||
| public static class HeavyComponent { | ||
| public static final CountDownLatch ACTIVATED = new CountDownLatch(1); | ||
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| @Activate | ||
| public void activated() { | ||
| ACTIVATED.countDown(); | ||
| } | ||
| } | ||
| } | ||
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| @Component(service = MavenImpl.class) | ||
| public static class MavenImpl { | ||
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| @Reference(cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC) | ||
| private final List<RepositoryRegistry> settingsListeners = new CopyOnWriteArrayList<>(); | ||
| } | ||
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| @Component(service = RepositoryRegistry.class) | ||
| public static class RepositoryRegistry { | ||
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| @Reference | ||
| private MavenImpl maven; | ||
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| @Reference | ||
| MavenProjectManager projectManager; | ||
| } | ||
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| } |