| /* |
| * 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.compositefactory; |
| |
| import static java.lang.System.out; |
| |
| import org.apache.felix.dm.lambda.DependencyManagerActivator; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Creates a "Provider" service. The implementation for this service (ProviderImpl) is |
| * created using a factory class (ProviderFactory) that also creates some other helper classes |
| * (ProviderComposite1 and ProviderComposite2) that are internally used by ProviderImpl. |
| * |
| * The ProviderFactory is also injected with a Configuration that can be used by the Factory |
| * when creating the ProviderImpl, ProviderComposite1, and ProviderComposite2 classes. |
| * |
| * The LogService in only injected to the ProviderImpl and the ProviderComposite1 classes. |
| * Both composites are called in their "start" callbacks, when all required dependencies are available. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class Activator extends DependencyManagerActivator { |
| @Override |
| public void activate() throws Exception { |
| out.println("type \"log info\" to see the logs emitted by this test."); |
| |
| // Create the Factory used to instantiate ProvuderImpl, ProviderComposite1 and ProviderComposite2 |
| ProviderFactory factory = new ProviderFactory(); |
| |
| // Define the component which implementation is instantiated by the ProviderFactory. |
| // a LogService is injected in the ProviderImpl, as well as to the ProviderComposite1 class. |
| // And a configuration is injected directly to the ProviderFactory so it can use some configurations |
| // before creating the composition of classes. |
| component(comp -> comp |
| .factory(factory::create, factory::getComposition) |
| .start(ProviderImpl::start) // only call start on ProviderImpl |
| .withSrv(LogService.class, srv -> srv.cb(ProviderImpl::bind).cb(ProviderComposite1::bind)) |
| .withCnf(conf -> conf.pid(ProviderFactory.class).cbi(factory::updated))); |
| |
| // Creates a configuration with pid name = "org.apache.felix.dependencymanager.lambda.samples.compositefactory.ProviderFactory" |
| component(comp -> comp |
| .impl(Configurator.class) |
| .withSrv(ConfigurationAdmin.class)); |
| } |
| } |