| /* |
| * 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.Hashtable; |
| |
| 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.osgi.framework.Constants; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @SuppressWarnings({"unchecked", "rawtypes", "serial"}) |
| public class MultipleServiceDependencyTest extends TestBase { |
| public void testMultipleServiceRegistrationAndConsumption() { |
| DependencyManager m = getDM(); |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // create a service provider and consumer |
| Component provider = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null); |
| Component providerWithHighRank = m.createComponent().setImplementation(new ServiceProvider2(e)).setInterface(ServiceInterface.class.getName(), new Hashtable() {{ put(Constants.SERVICE_RANKING, Integer.valueOf(5)); }}); |
| Component consumer = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true)); |
| m.add(provider); |
| m.add(providerWithHighRank); |
| m.add(consumer); |
| e.waitForStep(3, 5000); |
| m.remove(providerWithHighRank); |
| e.step(4); |
| e.waitForStep(5, 5000); |
| m.remove(provider); |
| m.remove(consumer); |
| e.waitForStep(6, 5000); |
| } |
| |
| public void testReplacementAutoConfig() { |
| DependencyManager m = getDM(); |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // create a service provider and consumer |
| Component provider = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null); |
| Component provider2 = m.createComponent().setImplementation(new ServiceProvider2(e)).setInterface(ServiceInterface.class.getName(), null); |
| Component consumer = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true)); |
| m.add(provider2); |
| m.add(consumer); |
| e.waitForStep(3, 5000); |
| m.add(provider); |
| m.remove(provider2); |
| e.step(4); |
| e.waitForStep(5, 5000); |
| m.remove(provider); |
| m.remove(consumer); |
| e.waitForStep(6, 5000); |
| } |
| |
| public void testReplacementCallbacks() { |
| DependencyManager m = getDM(); |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // create a service provider and consumer |
| Component provider = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null); |
| Component provider2 = m.createComponent().setImplementation(new ServiceProvider2(e)).setInterface(ServiceInterface.class.getName(), null); |
| Component consumer = m.createComponent().setImplementation(new ServiceConsumer(e)) |
| .add(m.createServiceDependency() |
| .setService(ServiceInterface.class) |
| .setRequired(true) |
| .setCallbacks("add", "remove")); |
| m.add(provider2); |
| m.add(consumer); |
| e.waitForStep(3, 15000); |
| m.add(provider); |
| m.remove(provider2); |
| e.step(4); |
| e.waitForStep(5, 15000); |
| m.remove(provider); |
| m.remove(consumer); |
| e.waitForStep(6, 15000); |
| } |
| |
| static interface ServiceInterface { |
| public void invoke(); |
| } |
| |
| static class ServiceProvider implements ServiceInterface { |
| private final Ensure m_ensure; |
| public ServiceProvider(Ensure e) { |
| m_ensure = e; |
| } |
| public void invoke() { |
| m_ensure.step(5); |
| } |
| } |
| |
| static class ServiceProvider2 implements ServiceInterface { |
| private final Ensure m_ensure; |
| public ServiceProvider2(Ensure e) { |
| m_ensure = e; |
| } |
| public void invoke() { |
| m_ensure.step(2); |
| } |
| } |
| |
| static class ServiceConsumer implements Runnable { |
| private volatile ServiceInterface m_service; |
| private final Ensure m_ensure; |
| |
| @SuppressWarnings("unused") |
| private void add(ServiceInterface service) { m_service = service; } |
| |
| @SuppressWarnings("unused") |
| private void remove(ServiceInterface service) { if (m_service == service) { m_service = null; }} |
| public ServiceConsumer(Ensure e) { m_ensure = e; } |
| |
| public void start() { |
| Thread t = new Thread(this); |
| t.start(); |
| } |
| |
| public void run() { |
| m_ensure.step(1); |
| m_service.invoke(); |
| m_ensure.step(3); |
| m_ensure.waitForStep(4, 15000); |
| m_service.invoke(); |
| } |
| |
| public void stop() { |
| m_ensure.step(6); |
| } |
| } |
| } |