/*
* 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 junit.framework.Assert;
import org.apache.felix.dm.DependencyManager;
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;
@RunWith(PaxExam.class)
public class ServiceDependencyThroughCallbackInstanceTest extends TestBase {
@Test
public void testServiceWithCallbacksAndOneDependency() {
invokeTest(context, 1);
}
@Test
public void testServiceWithCallbacksAndThreeDependencies() {
invokeTest(context, 3);
}
private void invokeTest(BundleContext context, int numberOfServices) {
DependencyManager m = new DependencyManager(context);
// create a number of services
for (int i = 0; i < numberOfServices; i++) {
final int num = i;
m.add(m.createComponent()
.setInterface(Service.class.getName(), null)
.setImplementation(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();
m.add(m.createComponent()
.setImplementation(new SimpleService() {})
.add(m.createServiceDependency()
.setService(Service.class)
.setCallbacks(instance, "added", "removed")
.setRequired(true)
)
);
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;
}
}
}