| /* |
| * 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.lambda.itest; |
| |
| import static org.apache.felix.dm.lambda.DependencyManagerActivator.component; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.PrototypeServiceFactory; |
| import org.osgi.framework.ServiceObjects; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.framework.ServiceRegistration; |
| |
| /** |
| * Validates that a service dependency is not dereferenced internally by DM. |
| * When you use a method reference for the dependency callback, then dm-lambda auto-detect that the |
| * service dependency must not be internally dereferenced. |
| * But you when you method reflection based callbacks, you have to call the "dereference(false)" method |
| * from the ServiceDependencyBuilder, which indicates to DM that the service reference must not be |
| * dereferenced internally (using BundleContext.getServiceReference() method). |
| */ |
| public class FELIX5516Test extends TestBase { |
| private final Ensure m_ensure = new Ensure(); |
| |
| public void testServiceNotDereferencedInternallyUsingMethodReference() throws Exception { |
| final DependencyManager dm = getDM(); |
| Component service = component(dm).impl(new Factory()).provides(Service.class).build(); |
| Component client = component(dm).impl(new Client()).withSvc(Service.class, svc -> svc.required().add(Client::bind)).build(); |
| dm.add(service); |
| dm.add(client); |
| m_ensure.waitForStep(9, 5000); |
| dm.clear(); |
| } |
| |
| public void testServiceNotDereferencedInternallyUsingReflectionCallback() throws Exception { |
| final DependencyManager dm = getDM(); |
| Component service = component(dm).impl(new Factory()).provides(Service.class).build(); |
| Component client = component(dm).impl(new Client()).withSvc(Service.class, svc -> svc.required().dereference(false).add("bind")).build(); |
| dm.add(service); |
| dm.add(client); |
| m_ensure.waitForStep(9, 5000); |
| dm.clear(); |
| } |
| |
| public interface Service {} |
| |
| public class ServiceImpl implements Service { |
| |
| } |
| |
| public class Factory implements PrototypeServiceFactory<Service> { |
| @Override |
| public Service getService(Bundle bundle, ServiceRegistration<Service> registration) { |
| m_ensure.step(); |
| return new ServiceImpl(); |
| } |
| |
| @Override |
| public void ungetService(Bundle bundle, ServiceRegistration<Service> registration, Service service) { |
| m_ensure.step(); |
| } |
| } |
| |
| public class Client { |
| ServiceReference<Service> m_ref; |
| BundleContext m_ctx; |
| |
| void bind(ServiceReference<Service> ref) { |
| m_ref = ref; |
| } |
| |
| void start() { |
| ServiceObjects<Service> sobjs = m_ctx.getServiceObjects(m_ref); |
| |
| m_ensure.step(1); |
| Service s1 = sobjs.getService(); |
| |
| m_ensure.step(3); |
| Service s2 = sobjs.getService(); |
| |
| m_ensure.step(5); |
| sobjs.ungetService(s1); |
| |
| m_ensure.step(7); |
| sobjs.ungetService(s2); |
| m_ensure.step(9); |
| } |
| } |
| } |