| /* |
| * 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.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> |
| */ |
| public class AdapterWithInstanceBoundDependencyTest extends TestBase { |
| public void testInstanceBoundDependency() { |
| DependencyManager m = getDM(); |
| // helper class that ensures certain steps get executed in sequence |
| Ensure e = new Ensure(); |
| // create a service provider and consumer |
| Component sp = m.createComponent() |
| .setInterface(ServiceInterface.class.getName(), null) |
| .setImplementation(new ServiceProvider(e)); |
| Component sp2 = m.createComponent() |
| .setInterface(ServiceInterface2.class.getName(), null) |
| .setImplementation(new ServiceProvider2(e)); |
| Component sc = m.createComponent() |
| .setImplementation(new ServiceConsumer(e)) |
| .add(m.createServiceDependency() |
| .setService(ServiceInterface3.class) |
| .setRequired(true)); |
| Component sa = m.createAdapterService(ServiceInterface.class, null) |
| .setInterface(ServiceInterface3.class.getName(), null) |
| .setImplementation(new ServiceAdapter(e)); |
| m.add(sc); |
| m.add(sp); |
| m.add(sp2); |
| m.add(sa); |
| e.waitForStep(5, 15000); |
| // cleanup |
| m.remove(sa); |
| m.remove(sp2); |
| m.remove(sp); |
| m.remove(sc); |
| m.clear(); |
| e.waitForStep(9, 5000); // make sure all components are stopped |
| } |
| |
| static interface ServiceInterface { |
| public void invoke(); |
| } |
| |
| static interface ServiceInterface2 { |
| public void invoke(); |
| } |
| |
| static interface ServiceInterface3 { |
| public void invoke(); |
| } |
| |
| static class ServiceProvider2 implements ServiceInterface2 { |
| private final Ensure m_ensure; |
| |
| public ServiceProvider2(Ensure ensure) { |
| m_ensure = ensure; |
| } |
| |
| public void invoke() { |
| m_ensure.step(4); |
| } |
| |
| public void stop() { |
| m_ensure.step(); |
| } |
| } |
| |
| static class ServiceProvider implements ServiceInterface { |
| private final Ensure m_ensure; |
| public ServiceProvider(Ensure e) { |
| m_ensure = e; |
| } |
| public void invoke() { |
| m_ensure.step(5); |
| } |
| public void stop() { |
| m_ensure.step(); |
| } |
| } |
| |
| static class ServiceAdapter implements ServiceInterface3 { |
| private Ensure m_ensure; |
| private volatile ServiceInterface m_originalService; |
| private volatile ServiceInterface2 m_injectedService; |
| private volatile Component m_service; |
| private volatile DependencyManager m_manager; |
| |
| public ServiceAdapter(Ensure e) { |
| m_ensure = e; |
| } |
| public void init() { |
| m_ensure.step(1); |
| m_service.add(m_manager.createServiceDependency().setRequired(true).setService(ServiceInterface2.class)); |
| } |
| public void start() { |
| m_ensure.step(2); |
| } |
| public void invoke() { |
| m_ensure.step(3); |
| m_injectedService.invoke(); |
| m_originalService.invoke(); |
| } |
| |
| public void stop() { |
| m_ensure.step(); |
| } |
| } |
| |
| static class ServiceConsumer implements Runnable { |
| volatile ServiceInterface3 m_service; |
| final Ensure m_ensure; |
| |
| ServiceConsumer(Ensure e) { |
| m_ensure = e; |
| } |
| |
| public void init() { |
| Thread t = new Thread(this); |
| t.start(); |
| } |
| |
| public void run() { |
| m_service.invoke(); |
| } |
| public void stop() { |
| m_ensure.step(); |
| } |
| } |
| } |
| |
| |