/*
* 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.util.Dictionary;
import java.util.Hashtable;
import java.util.Map;
import junit.framework.Assert;
import org.apache.felix.dm.Component;
import org.apache.felix.dm.DependencyManager;
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;
/**
* Checks if a service adapter propagates its service properties, if
* the adapted service properties are changed:
*
* S1Impl provides S
* S1Adapter adapts S1Impl(S) to S2
* S3 depends on S2
*
* So, when S1Impl service properties are changed, S1Adapter shall propagate the changed properties to S3.
*
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
@RunWith(PaxExam.class)
public class AdapterWithPropagationTest extends TestBase {
public static interface S1 {}
static class S1Impl implements S1 {
private Ensure m_ensure;
public S1Impl(Ensure e) {
m_ensure = e;
}
public void start() {
m_ensure.step(1);
}
}
public static interface S2 {}
static class S1Adapter implements S2 {
private Ensure m_ensure;
public S1Adapter(Ensure e) {
m_ensure = e;
}
public void add(Map properties, S1 s1) {
Assert.assertTrue("bar".equals(properties.get("foo")));
m_ensure.step(2);
}
public void change(Map properties, S1 s1) {
Assert.assertTrue("bar2".equals(properties.get("foo")));
m_ensure.step(4);
}
}
static class S3 {
private final Ensure m_ensure;
public S3(Ensure e) {
m_ensure = e;
}
public void add(Map properties, S2 s2) {
Assert.assertTrue("bar".equals(properties.get("foo")));
m_ensure.step(3);
}
public void change(Map properties, S2 s2) {
Assert.assertTrue("bar2".equals(properties.get("foo")));
m_ensure.step(5);
}
}
@Test
public void testAdapterWithPropagation() {
DependencyManager m = new DependencyManager(context);
// helper class that ensures certain steps get executed in sequence
Ensure e = new Ensure();
Dictionary s1Properties = new Hashtable();
s1Properties.put("foo", "bar");
Component s1 = m.createComponent()
.setImplementation(new S1Impl(e))
.setInterface(S1.class.getName(), s1Properties);
Component s1Adapter = m.createAdapterService(S1.class, null, "add", "change", null)
.setInterface(S2.class.getName(), null)
.setImplementation(new S1Adapter(e));
Component s3 = m.createComponent()
.setImplementation(new S3(e))
.add(m.createServiceDependency()
.setService(S2.class)
.setRequired(true)
.setCallbacks("add", "change", null));
m.add(s1);
m.add(s1Adapter);
m.add(s3);
e.waitForStep(3, 5000);
s1Properties = new Hashtable();
s1Properties.put("foo", "bar2");
s1.setServiceProperties(s1Properties);
e.waitForStep(5, 5000);
m.clear();
}
}