| /* |
| * 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.itest.api; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.apache.felix.dm.itest.util.TestBase; |
| import org.junit.Assert; |
| |
| /** |
| * Validates that optional dependency callbacks are properly called in a special use case, where |
| * a circular dependency exists between two components. |
| */ |
| public class FELIX5426_OptionalCallbackNotCalledTest extends TestBase { |
| |
| final Ensure m_ensure = new Ensure(); |
| final Ensure.Steps m_bookSteps = new Ensure.Steps(3, 5, 8, 10); |
| final Ensure.Steps m_bookStoreSteps = new Ensure.Steps(2, 4, 6, 7, 9, 11); |
| |
| public void testCleanupDependenciesDuringComponentRemove() { |
| DependencyManager m = getDM(); |
| |
| Component owner = m.createComponent() |
| .setImplementation(new Owner()) |
| .setInterface(Owner.class.getName(), null); |
| |
| BookStore store = new BookStore(); |
| Component bookStore = m.createComponent() |
| .setImplementation(store).setInterface(BookStore.class.getName(), null) |
| .add(m.createServiceDependency().setService(Book.class).setCallbacks("added", "removed").setRequired(false)) |
| .add(m.createServiceDependency().setService(Owner.class).setRequired(true).setCallbacks("added", "removed")); |
| |
| Component book1 = m.createComponent() |
| .setImplementation(new Book()).setInterface(Book.class.getName(), null) |
| .add(m.createServiceDependency().setService(BookStore.class).setRequired(true)); |
| |
| Component book2 = m.createComponent() |
| .setImplementation(new Book()).setInterface(Book.class.getName(), null) |
| .add(m.createServiceDependency().setService(BookStore.class).setRequired(true)); |
| |
| m.add(owner); |
| m.add(bookStore); |
| m.add(book1); |
| m.add(book2); |
| |
| m.remove(owner); |
| m_ensure.waitForStep(11, 5000); |
| Assert.assertEquals(0, store.getBooksCount()); |
| } |
| |
| class Owner { |
| void start() { |
| m_ensure.step(1); |
| } |
| } |
| |
| class BookStore { |
| final List<Book> m_books = new ArrayList<>(); |
| |
| void added(Owner owner) { |
| System.out.println("BookStore.added(" + owner + ")"); |
| m_ensure.steps(m_bookStoreSteps); // step 2 |
| } |
| |
| void removed(Owner owner) { |
| } |
| |
| void added(Book book) { // injected, optional |
| m_books.add(book); |
| System.out.println("BookStore.added(" + book + ")"); |
| m_ensure.steps(m_bookStoreSteps); // steps 4, 6 |
| } |
| |
| void removed(Book book) { |
| m_books.remove(book); |
| System.out.println("BookStore.remove(" + book + ")"); |
| m_ensure.steps(m_bookStoreSteps); // steps 7, 9 |
| } |
| |
| int getBooksCount() { |
| return m_books.size(); |
| } |
| |
| void stop() { |
| System.out.println("BookStore.stop"); |
| m_ensure.steps(m_bookStoreSteps); // step 11 |
| } |
| } |
| |
| class Book { |
| BookStore m_shop; // injected, required |
| |
| public void start() { |
| Assert.assertNotNull(m_shop); |
| System.out.println("Book.start"); |
| m_ensure.steps(m_bookSteps); // steps 3, 5 |
| } |
| |
| public void stop() { |
| System.out.println("Book.stop"); |
| m_ensure.steps(m_bookSteps); // steps 8, 10 |
| } |
| } |
| |
| } |