| /* |
| * 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.runtime.itest.components; |
| |
| import org.apache.felix.dm.annotation.api.AspectService; |
| import org.apache.felix.dm.annotation.api.Component; |
| import org.apache.felix.dm.annotation.api.ServiceDependency; |
| import org.apache.felix.dm.itest.util.Ensure; |
| |
| /** |
| * Check if a client already bound to a service provider is called in swap method |
| * when an aspect service replaces the original service. |
| */ |
| public class ProviderSwappedByAspect { |
| |
| public interface ProviderService { |
| public void run(); |
| } |
| |
| /** |
| * Tests an aspect service, and ensure that its lifecycle methods are properly invoked (init/start/stop/destroy) |
| */ |
| @Component |
| public static class Consumer { |
| public final static String ENSURE = "ProviderSwappedByAspect.Consumer"; |
| final static Ensure.Steps m_steps = new Ensure.Steps( |
| 1, // provider bound the first time in bind method |
| 3, // swap called (aspect is replacing provider) |
| 6, // aspect removed , so swap called again with original service |
| 8 // provider removed |
| ); |
| |
| @ServiceDependency(filter = "(name=" + ENSURE + ")") |
| protected volatile Ensure m_sequencer; |
| |
| @ServiceDependency(removed="unbind", swap="swap") |
| void bind(ProviderService service) { |
| m_sequencer.steps(m_steps); |
| service.run(); |
| } |
| |
| void swap(ProviderService old, ProviderService replace) { |
| System.out.println("swapped: old=" + old + ", replace=" + replace); |
| m_sequencer.steps(m_steps); |
| replace.run(); |
| } |
| |
| void unbind(ProviderService service) { |
| m_sequencer.steps(m_steps); |
| service.run(); |
| } |
| } |
| |
| @Component |
| public static class Provider implements ProviderService { |
| public final static String ENSURE = "ProviderSwappedByAspect.Provider"; |
| |
| @ServiceDependency(filter = "(name=" + ENSURE + ")") |
| protected volatile Ensure m_sequencer; |
| |
| public void run() { |
| m_sequencer.step(); |
| } |
| } |
| |
| @AspectService(ranking = 10, added="bind") |
| public static class ProviderAspect implements ProviderService { |
| public final static String ENSURE = "ProviderSwappedByAspect.ProviderAspect"; |
| private ProviderService m_next; |
| |
| void bind(ProviderService provider) { |
| m_next = provider; |
| } |
| |
| @ServiceDependency(filter = "(name=" + ENSURE + ")") |
| protected volatile Ensure m_sequencer; |
| |
| public void run() { |
| m_sequencer.step(); |
| m_next.run(); |
| } |
| } |
| } |