| /* |
| * 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.samples.hello; |
| |
| import static java.lang.System.out; |
| |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.lambda.DependencyManagerActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| import org.osgi.service.event.EventAdmin; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class Activator extends DependencyManagerActivator { |
| @Override |
| public void init(BundleContext ctx, DependencyManager dm) throws Exception { |
| out.println("type \"log warn\" to see the logs emitted by this test."); |
| |
| // Creates a Service Provider (property names are deduced from lambda parameter names). |
| // (service dependencies are required by default) |
| component(comp -> comp.impl(ServiceProviderImpl.class) |
| .provides(ServiceProvider.class, p1 -> "v1", p2 -> 123) |
| .withSvc(LogService.class)); |
| |
| // Creates a Service Consumer. we depend on LogService, EventAdmin and on our ServiceProvider. |
| // (LogService and EventAdmin are declared in one single method call). |
| // We also depend on a configuration. the configuration callback is assumed to be the "ServiceConsumer.updated" method which |
| // takes as argument a "Configuration" interface. This interface is used to wrap the actual properties behind a dynamic proxy |
| // that is implemented by Dependency Manager. |
| // The pid is assumed to be by default the fqdn of the specified Configuration interface ("org.apache.felix.dm.lambda.samples.hello.Configuration"). |
| component(comp -> comp.impl(ServiceConsumer.class) |
| .withSvc(LogService.class, EventAdmin.class) |
| .withSvc(ServiceProvider.class, srv -> srv.filter("(p1=v1)")) |
| .withCnf(Configuration.class)); // shortcut for "withCnf(Configuration.class, cnf -> cnf.updated(Configuration.class, ServiceConsumer::updated)" |
| |
| // Creates a component that populates some properties in the Configuration Admin. |
| // Here, we inject the CM (Configuration Admin) service dependency using a method reference: |
| component(comp -> comp.factory(() -> new Configurator(Configuration.class.getName())) |
| .withSvc(ConfigurationAdmin.class, srv -> srv.add(Configurator::bind))); |
| } |
| } |