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* 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.test.integration.api;
import java.net.URL;
import java.util.Dictionary;
import java.util.Hashtable;
import org.apache.felix.dm.BundleDependency;
import org.apache.felix.dm.Component;
import org.apache.felix.dm.ConfigurationDependency;
import org.apache.felix.dm.DependencyManager;
import org.apache.felix.dm.ResourceDependency;
import org.apache.felix.dm.ResourceHandler;
import org.apache.felix.dm.ResourceUtil;
import org.apache.felix.dm.ServiceDependency;
import org.apache.felix.dm.test.components.Ensure;
import org.apache.felix.dm.test.integration.common.TestBase;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.junit.PaxExam;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Filter;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceReference;
import org.osgi.service.cm.ConfigurationAdmin;
import org.osgi.service.cm.ConfigurationException;
import org.osgi.service.cm.ManagedService;
@RunWith(PaxExam.class)
public class SharingDependenciesWithMultipleServicesTest extends TestBase {
@Test
public void testShareServiceDependencyWithMultipleServices() {
DependencyManager m = new DependencyManager(context);
// helper class that ensures certain steps get executed in sequence
Ensure e = new Ensure();
// create a service provider and consumer
Component provider = m.createComponent().setImplementation(new ServiceProvider()).setInterface(ServiceInterface.class.getName(), null);
ServiceDependency dependency = m.createServiceDependency().setService(ServiceInterface.class).setRequired(true);
Component consumer1 = m.createComponent().setImplementation(new ServiceConsumer(e, 1)).add(dependency);
Component consumer2 = m.createComponent().setImplementation(new ServiceConsumer(e, 4)).add(dependency);
m.add(provider);
m.add(consumer1);
e.waitForStep(3, 15000);
m.add(consumer2);
e.waitForStep(6, 15000);
m.remove(provider);
m.remove(consumer1);
m.remove(consumer2);
}
@Test
public void testShareConfigurationDependencyWithMultipleServices() {
DependencyManager m = new DependencyManager(context);
// helper class that ensures certain steps get executed in sequence
Ensure e = new Ensure();
// create a service provider and consumer
Component provider = m.createComponent().setImplementation(new ConfigurationProvider(e)).add(m.createServiceDependency().setService(ConfigurationAdmin.class).setRequired(true));
ConfigurationDependency dependency = m.createConfigurationDependency().setPid("test");
Component consumer1 = m.createComponent().setImplementation(new ConfigurationConsumer(e, 2)).add(dependency);
Component consumer2 = m.createComponent().setImplementation(new ConfigurationConsumer(e, 3)).add(dependency);
// add the configuration provider that should publish the configuration as step 1
m.add(provider);
// add the first consumer, and wait until its updated() method is invoked
m.add(consumer1);
e.waitForStep(2, 15000);
// add the second consumer, and wait until its updated() method is invoked
m.add(consumer2);
e.waitForStep(3, 15000);
// break down the test again
m.remove(consumer2);
m.remove(consumer1);
m.remove(provider);
}
@Test
public void testShareBundleDependencyWithMultipleServices() {
DependencyManager m = new DependencyManager(context);
// helper class that ensures certain steps get executed in sequence
Ensure e = new Ensure();
// create a service provider and consumer
BundleDependency dependency = m.createBundleDependency().setFilter("(Bundle-SymbolicName=org.apache.felix.dependencymanager)").setRequired(true);
Component consumer1 = m.createComponent().setImplementation(new BundleConsumer(e, 1)).add(dependency);
Component consumer2 = m.createComponent().setImplementation(new BundleConsumer(e, 2)).add(dependency);
m.add(consumer1);
e.waitForStep(1, 15000);
m.add(consumer2);
e.waitForStep(2, 15000);
m.remove(consumer2);
m.remove(consumer1);
}
@Test
public void testShareResourceDependencyWithMultipleServices() throws Exception {
DependencyManager m = new DependencyManager(context);
// helper class that ensures certain steps get executed in sequence
Ensure e = new Ensure();
// create a service provider and consumer
ResourceDependency dependency = m.createResourceDependency().setFilter("(" + ResourceHandler.HOST + "=localhost)").setRequired(true);
Component consumer1 = m.createComponent().setImplementation(new ResourceConsumer(e, 1)).add(dependency);
Component consumer2 = m.createComponent().setImplementation(new ResourceConsumer(e, 2)).add(dependency);
Component resourceProvider = m.createComponent().setImplementation(new ResourceProvider()).add(m.createServiceDependency().setService(ResourceHandler.class).setCallbacks("add", "remove"));;
m.add(resourceProvider);
m.add(consumer1);
e.waitForStep(1, 15000);
m.add(consumer2);
e.waitForStep(2, 15000);
m.remove(consumer2);
m.remove(consumer1);
m.remove(resourceProvider);
}
static interface ServiceInterface {
public void invoke(Runnable r);
}
static class ServiceProvider implements ServiceInterface {
public void invoke(Runnable r) {
r.run();
}
}
static class ServiceConsumer implements Runnable {
private volatile ServiceInterface m_service;
private final Ensure m_ensure;
private int m_step;
public ServiceConsumer(Ensure e, int step) {
m_ensure = e;
m_step = step;
}
public void start() {
Thread t = new Thread(this);
t.start();
}
public void run() {
m_ensure.step(m_step);
m_service.invoke(new Runnable() { public void run() { m_ensure.step(m_step + 1); } });
m_ensure.step(m_step + 2);
}
}
static class ConfigurationConsumer implements ManagedService {
private final Ensure m_ensure;
private int m_step;
public ConfigurationConsumer(Ensure e, int step) {
m_ensure = e;
m_step = step;
}
public void updated(Dictionary properties) throws ConfigurationException {
if (properties != null) {
m_ensure.step(m_step);
}
}
}
static class ConfigurationProvider {
private final Ensure m_ensure;
private volatile ConfigurationAdmin m_configAdmin;
public ConfigurationProvider(Ensure ensure) {
m_ensure = ensure;
}
public void init() {
try {
org.osgi.service.cm.Configuration conf = m_configAdmin.getConfiguration("test", null);
conf.update(new Hashtable() {{ put("testkey", "testvalue"); }} );
m_ensure.step(1);
}
catch (Exception e) {
e.printStackTrace();
}
}
}
static class BundleConsumer {
private final Ensure m_ensure;
private int m_step;
public BundleConsumer(Ensure e, int step) {
m_ensure = e;
m_step = step;
}
public void start() {
m_ensure.step(m_step);
}
}
static class ResourceConsumer {
private final Ensure m_ensure;
private int m_step;
public ResourceConsumer(Ensure e, int step) {
m_ensure = e;
m_step = step;
}
public void start() {
m_ensure.step(m_step);
}
}
static class ResourceProvider {
private volatile BundleContext m_context;
private URL[] m_resources;
public ResourceProvider() throws Exception {
m_resources = new URL[] {
new URL("file://localhost/path/to/test1.txt"),
new URL("file://localhost/path/to/test2.txt")
};
}
public void add(ServiceReference ref, ResourceHandler handler) {
String filterString = (String) ref.getProperty("filter");
try {
Filter filter = m_context.createFilter(filterString);
for (int i = 0; i < m_resources.length; i++) {
if (filter.match(ResourceUtil.createProperties(m_resources[i]))) {
handler.added(m_resources[i]);
}
}
}
catch (InvalidSyntaxException e) {
e.printStackTrace();
}
}
public void remove(ServiceReference ref, ResourceHandler handler) {
String filterString = (String) ref.getProperty("filter");
try {
Filter filter = m_context.createFilter(filterString);
for (int i = 0; i < m_resources.length; i++) {
if (filter.match(ResourceUtil.createProperties(m_resources[i]))) {
handler.removed(m_resources[i]);
}
}
}
catch (InvalidSyntaxException e) {
e.printStackTrace();
}
}
}
}