| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.felix.dm.itest.api; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.junit.Assert; |
| |
| /** |
| * When a component is removed using DependencyManager.remove method, then this |
| * test checks if the component removes from its internal datastructure the dependencies |
| * which are unbound while the component is being removed. |
| */ |
| public class FELIX5428_CleanupDependenciesWhenComponentIsStopped extends TestBase { |
| |
| final Ensure m_ensure = new Ensure(); |
| |
| public void testCleanupDependenciesDuringComponentRemove() { |
| DependencyManager m = getDM(); |
| |
| Component p1 = m.createComponent() |
| .setImplementation(new ProviderImpl()).setInterface(Provider.class.getName(), null); |
| Component p2 = m.createComponent() |
| .setImplementation(new ProviderImpl()).setInterface(Provider.class.getName(), null); |
| Consumer c = new Consumer(); |
| Component consumer = m.createComponent() |
| .setImplementation(c) |
| .add(m.createServiceDependency().setService(Provider.class).setCallbacks("providerAdded", "providerRemoved")); |
| |
| m.add(p1); |
| m.add(p2); |
| m.add(consumer); |
| |
| Assert.assertEquals(2, c.getProvidersCount()); |
| |
| // remove and re-add the consumer. When the consumer is removed, the internal collection holding the list of producers should be cleared, |
| // else, when we re-add the consumer, it would be injected with 4 providers ! |
| |
| m.remove(consumer); |
| m.remove(p1); |
| m.remove(p2); |
| m.add(consumer); |
| m.add(p1); |
| m.add(p2); |
| Assert.assertEquals(2, c.getProvidersCount()); |
| } |
| |
| |
| interface Provider {} |
| |
| class ProviderImpl implements Provider { |
| |
| } |
| |
| @SuppressWarnings("unused") |
| class Consumer { |
| final List<Provider> m_providers = new ArrayList<>(); |
| |
| private void providerAdded(Provider provider) { |
| m_providers.add(provider); |
| } |
| |
| private void providerRemoved(Provider provider) { |
| m_providers.remove(provider); |
| } |
| |
| public int getProvidersCount() { |
| return m_providers.size(); |
| } |
| } |
| |
| |
| } |