| /* |
| * 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 org.junit.Assert; |
| |
| 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; |
| |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @SuppressWarnings("unused") |
| public class FELIX2344_ExtraDependencyWithAutoConfigTest extends TestBase { |
| /** |
| * Test if an auto config extra dependency is injected in the expected order. |
| */ |
| public void testExtraDependencyWithAutoConfig() { |
| DependencyManager m = getDM(); |
| // Helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // Create a service provider |
| Component sp = m.createComponent().setInterface(ProviderInterface.class.getName(), null).setImplementation(ProviderImpl.class); |
| // Create a service consumer with a required/autoconfig dependency over the service provider. |
| Client c1; |
| Component sc1 = m.createComponent().setImplementation((c1 = new Client(e, true, 1))); |
| // Create a second service consumer with an optional/autoconfig dependency over the service provider. |
| Client c2; |
| Component sc2 = m.createComponent().setImplementation(c2 = new Client(e, false, 3)); |
| |
| // Add service provider and consumer sc1 (required dependency over provider) |
| m.add(sc1); |
| m.add(sp); |
| e.waitForStep(2, 5000); |
| |
| // Remove provider and consumer |
| m.remove(sc1); |
| m.remove(sp); |
| |
| // Add consumer sc2 (optional dependency over provider) |
| m.add(sc2); |
| e.waitForStep(4, 5000); |
| m.clear(); |
| } |
| |
| public interface ProviderInterface { |
| public boolean action(); |
| } |
| |
| public static class ProviderImpl implements ProviderInterface { |
| public boolean action() |
| { |
| return true; |
| } |
| } |
| |
| // This client is not using callbacks, but instead, it uses auto config. |
| public static class Client { |
| volatile ProviderInterface m_provider; |
| private Ensure m_ensure; |
| private final boolean m_required; |
| private final int m_startStep; |
| |
| public Client(Ensure e, boolean required, int startStep) { |
| m_ensure = e; |
| m_required = required; |
| m_startStep = startStep; |
| } |
| |
| public void init(Component s) { |
| DependencyManager dm = s.getDependencyManager(); |
| m_ensure.step(m_startStep); |
| s.add(dm.createServiceDependency() |
| .setService(ProviderInterface.class) |
| .setRequired(m_required) |
| .setAutoConfig("m_provider")); |
| } |
| |
| public void start() { |
| // if required dependency: we must have been injected with the service provider |
| // else, we have been injected with a null object. |
| Assert.assertNotNull("provider has not been injected", m_provider); |
| Assert.assertEquals(m_required, m_provider.action()); // action returns false if null object |
| m_ensure.step(); |
| } |
| } |
| } |
| |