| /* |
| * 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 java.util.ArrayList; |
| import java.util.Dictionary; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| import org.junit.Assert; |
| import org.osgi.framework.Constants; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @SuppressWarnings("rawtypes") |
| public class AutoConfigTest extends TestBase { |
| private final Ensure m_ensure = new Ensure(); |
| |
| public void testField() throws Exception { |
| final DependencyManager dm = getDM(); |
| // Create a consumer, depending on some providers (autoconfig field). |
| ConsumeWithProviderField consumer = new ConsumeWithProviderField(); |
| Component c = createConsumer(dm, consumer); |
| // Create two providers |
| Component p1 = createProvider(dm, 10, new Provider() { |
| public String toString() { return "provider1"; } |
| public void run() { m_ensure.step(); } |
| }); |
| Component p2 = createProvider(dm, 20, new Provider() { |
| public String toString() { return "provider2"; } |
| public void run() { m_ensure.step(); } |
| }); |
| |
| // add the two providers |
| dm.add(p2); |
| dm.add(p1); |
| // add the consumer, which should have been injected with provider2 (highest rank) |
| dm.add(c); |
| m_ensure.waitForStep(1, 5000); |
| // remove the provider2, the consumer should now be injected with provider1 |
| dm.remove(p2); |
| Assert.assertNotNull(consumer.getProvider()); |
| Assert.assertEquals("provider1", consumer.getProvider().toString()); |
| // remove the provider1, the consumer should have been stopped |
| dm.remove(p1); |
| m_ensure.waitForStep(2, 5000); |
| dm.clear(); |
| } |
| |
| public void testIterableField() throws Exception { |
| final DependencyManager dm = getDM(); |
| ConsumerWithIterableField consumer = new ConsumerWithIterableField(); |
| Component c = createConsumer(dm, consumer); |
| Component p1 = createProvider(dm, 10, new Provider() { |
| public void run() { m_ensure.step(); } |
| public String toString() { return "provider1"; } |
| }); |
| Component p2 = createProvider(dm, 20, new Provider() { |
| public void run() { m_ensure.step();} |
| public String toString() { return "provider2"; } |
| }); |
| |
| dm.add(p2); |
| dm.add(p1); |
| dm.add(c); |
| // the consumer should have been injected with all providers. |
| m_ensure.waitForStep(3, 5000); |
| |
| // check if all providers are there |
| Assert.assertNotNull(consumer.getProvider("provider1")); |
| Assert.assertNotNull(consumer.getProvider("provider2")); |
| |
| // remove provider1 |
| dm.remove(p1); |
| |
| // check if provider1 has been removed and if provider2 is still there |
| Assert.assertNull(consumer.getProvider("provider1")); |
| Assert.assertNotNull(consumer.getProvider("provider2")); |
| |
| // remove provider2, the consumer should be stopped |
| dm.remove(p2); |
| m_ensure.waitForStep(4, 5000); |
| dm.clear(); |
| } |
| |
| public void testMapField() throws Exception { |
| final DependencyManager dm = getDM(); |
| ConsumerWithMapField consumer = new ConsumerWithMapField(); |
| Component c = createConsumer(dm, consumer); |
| Component p1 = createProvider(dm, 10, new Provider() { |
| public void run() { m_ensure.step(); } |
| public String toString() { return "provider1"; } |
| }); |
| Component p2 = createProvider(dm, 20, new Provider() { |
| public void run() { m_ensure.step();} |
| public String toString() { return "provider2"; } |
| }); |
| |
| dm.add(p2); |
| dm.add(p1); |
| dm.add(c); |
| // the consumer should have been injected with all providers. |
| m_ensure.waitForStep(3, 5000); |
| |
| // check if all providers are there |
| Assert.assertNotNull(consumer.getProvider("provider1")); |
| Assert.assertNotNull(consumer.getProvider("provider2")); |
| |
| // remove provider1 |
| dm.remove(p1); |
| |
| // check if provider1 has been removed and if provider2 is still there |
| Assert.assertNull(consumer.getProvider("provider1")); |
| Assert.assertNotNull(consumer.getProvider("provider2")); |
| |
| // remove provider2, the consumer should be stopped |
| dm.remove(p2); |
| m_ensure.waitForStep(4, 5000); |
| dm.clear(); |
| } |
| |
| private Component createProvider(DependencyManager dm, int rank, Provider provider) { |
| return component(dm).impl(provider).provides(Provider.class, Constants.SERVICE_RANKING, new Integer(rank)).build(); |
| } |
| |
| private Component createConsumer(DependencyManager dm, Object consumer) { |
| return component(dm).impl(consumer).withSvc(Provider.class, true).build(); |
| } |
| |
| public static interface Provider extends Runnable { |
| } |
| |
| public class ConsumeWithProviderField { |
| volatile Provider m_provider; |
| |
| void start() { |
| Assert.assertNotNull(m_provider); |
| Assert.assertEquals("provider2", m_provider.toString()); |
| m_ensure.step(1); |
| } |
| |
| public Provider getProvider() { |
| return m_provider; |
| } |
| |
| void stop() { |
| m_ensure.step(2); |
| } |
| } |
| |
| public class ConsumerWithIterableField { |
| final Iterable<Provider> m_providers = new ConcurrentLinkedQueue<>(); |
| final List m_notInjectMe = new ArrayList(); |
| |
| void start() { |
| Assert.assertNotNull(m_providers); |
| int found = 0; |
| for (Provider provider : m_providers) { |
| provider.run(); |
| found ++; |
| } |
| Assert.assertTrue(found == 2); |
| // The "m_notInjectMe" should not be injected with anything |
| Assert.assertEquals(m_notInjectMe.size(), 0); |
| m_ensure.step(3); |
| } |
| |
| public Provider getProvider(String name) { |
| System.out.println("getProvider(" + name + ") : proviers=" + m_providers); |
| for (Provider provider : m_providers) { |
| if (provider.toString().equals(name)) { |
| return provider; |
| } |
| } |
| return null; |
| } |
| |
| void stop() { |
| m_ensure.step(4); |
| } |
| } |
| |
| public class ConsumerWithMapField { |
| final Map<Provider, Dictionary> m_providers = new ConcurrentHashMap<>(); |
| final Map m_notInjectMe = new HashMap<>(); |
| |
| void start() { |
| Assert.assertNotNull(m_providers); |
| System.out.println("ConsumerMap.start: injected providers=" + m_providers); |
| Assert.assertTrue(m_providers.size() == 2); |
| Assert.assertEquals(0, m_notInjectMe.size()); |
| for (Map.Entry<Provider, Dictionary> e : m_providers.entrySet()) { |
| Provider provider = e.getKey(); |
| Dictionary props = e.getValue(); |
| |
| provider.run(); |
| if (provider.toString().equals("provider1")) { |
| Assert.assertEquals(props.get(Constants.SERVICE_RANKING), 10); |
| } else if (provider.toString().equals("provider2")) { |
| Assert.assertEquals(props.get(Constants.SERVICE_RANKING), 20); |
| } else { |
| Assert.fail("Did not find any properties for provider " + provider); |
| } |
| } |
| |
| m_ensure.step(3); |
| } |
| |
| public Provider getProvider(String name) { |
| System.out.println("getProvider(" + name + ") : providers=" + m_providers); |
| for (Provider provider : m_providers.keySet()) { |
| if (provider.toString().equals(name)) { |
| return provider; |
| } |
| } |
| return null; |
| } |
| |
| Map<Provider, Dictionary> getProviders() { |
| return m_providers; |
| } |
| |
| void stop() { |
| m_ensure.step(4); |
| } |
| } |
| } |