| /* |
| * 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.DependencyManager; |
| import org.junit.Assert; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class ServiceDependencyThroughCallbackInstanceTest extends TestBase { |
| public void testServiceWithCallbacksAndOneDependency() { |
| invokeTest(context, 1); |
| } |
| |
| public void testServiceWithCallbacksAndThreeDependencies() { |
| invokeTest(context, 3); |
| } |
| |
| private void invokeTest(BundleContext context, int numberOfServices) { |
| DependencyManager m = getDM(); |
| // create a number of services |
| for (int i = 0; i < numberOfServices; i++) { |
| final int num = i; |
| component(m, comp -> comp |
| .provides(Service.class).impl(new Service() { |
| public String toString() { |
| return "A" + num; |
| }})); |
| } |
| |
| // create a service with dependency which will be invoked on a callback instance |
| CallbackInstance instance = new CallbackInstance(); |
| component(m, comp -> comp |
| .impl(new SimpleService() {}) |
| .withSvc(Service.class, srv -> srv.add(instance::added).remove(instance::removed))); |
| |
| Assert.assertEquals(numberOfServices, instance.getCount()); |
| m.clear(); |
| } |
| |
| public static interface Service { |
| } |
| |
| public static interface SimpleService { |
| } |
| |
| public static class CallbackInstance { |
| int m_count = 0; |
| |
| void added(Service service) { |
| System.out.println("added " + service); |
| m_count++; |
| } |
| |
| void removed(Service service) { |
| } |
| |
| int getCount() { |
| return m_count; |
| } |
| } |
| } |