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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
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package org.apache.felix.ipojo.test.composite.infrastructure;
import java.util.Dictionary;
import java.util.Properties;
import org.apache.felix.ipojo.ComponentFactory;
import org.apache.felix.ipojo.ComponentInstance;
import org.apache.felix.ipojo.InstanceStateListener;
import org.apache.felix.ipojo.architecture.ComponentTypeDescription;
import org.apache.felix.ipojo.architecture.InstanceDescription;
import org.apache.felix.ipojo.context.ServiceRegistry;
import org.apache.felix.ipojo.junit4osgi.OSGiTestCase;
import org.apache.felix.ipojo.test.composite.service.BarService;
import org.osgi.framework.BundleContext;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceEvent;
import org.osgi.framework.ServiceListener;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
public class ServiceRegistryTest extends OSGiTestCase {
private class svcListener implements ServiceListener {
public int registration = 0;
public int unregistration = 0;
public int modification = 0;
public void serviceChanged(ServiceEvent ev) {
if(ev.getType() == ServiceEvent.REGISTERED) { registration++; }
if(ev.getType() == ServiceEvent.UNREGISTERING) { unregistration++; }
if(ev.getType() == ServiceEvent.MODIFIED) { modification++; }
}
}
private class barProvider implements BarService {
public boolean bar() { return true; }
public Properties getProps() { return null; }
}
private class FakeComponent implements ComponentInstance {
public ComponentTypeDescription getComponentDescription() {
return null;
}
public BundleContext getContext() {
return null;
}
public ComponentFactory getFactory() {
return null;
}
public InstanceDescription getInstanceDescription() {
return null;
}
public String getInstanceName() {
return null;
}
public int getState() {
return 0;
}
public boolean isStarted() {
return false;
}
public void reconfigure(Dictionary dictionary) { }
public void start() { }
public void stop() { }
public void dispose() { }
public void addInstanceStateListener(InstanceStateListener arg0) { }
public void removeInstanceStateListener(InstanceStateListener arg0) { }
}
public void testRegistrationAndListener() {
ComponentInstance im = new FakeComponent();
ComponentInstance im2 = new FakeComponent();
ServiceRegistry registry = new ServiceRegistry(getContext());
assertNotNull("Assert registry not null", registry);
svcListener all = new svcListener();
try {
assertNull("Check that there is no available service", registry.getServiceReferences(null, null));
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
registry.addServiceListener(all);
ServiceRegistration reg1 = registry.registerService(im, BarService.class.getName(), new barProvider(), null);
try {
assertEquals("Check number of registred service", 1, registry.getServiceReferences(null, null).length);
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage());
}
ServiceRegistration reg2 = registry.registerService(im2, BarService.class.getName(), new barProvider(), null);
try {
assertEquals("Check number of registred service", 2, registry.getServiceReferences(null, null).length);
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
assertEquals("Check the number of registration", 2, all.registration);
Properties props = new Properties();
props.put("foo", "bar");
reg1.setProperties(props);
assertEquals("Check the number of modification", 1, all.modification);
reg1.unregister();
assertEquals("Check the number of unregistration", 1, all.unregistration);
reg2.setProperties(props);
assertEquals("Check the number of modification", 2, all.modification);
reg2.unregister();
assertEquals("Check the number of unregistration", 2, all.unregistration);
registry.removeServiceListener(all);
}
public void testRegistrationAndFilter() {
ComponentInstance im = new FakeComponent();
ComponentInstance im2 = new FakeComponent();
ServiceRegistry registry = new ServiceRegistry(getContext());
svcListener filtered = new svcListener();
try {
assertNull("Check that there is no available service", registry.getServiceReferences(null, null));
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
registry.addServiceListener(filtered, "(foo=bar)");
Properties props = new Properties();
props.put("foo", "bar");
ServiceRegistration reg1 = registry.registerService(im, BarService.class.getName(), new barProvider(), props);
try {
assertEquals("Check number of registred service", 1, registry.getServiceReferences(null, null).length);
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
ServiceRegistration reg2 = registry.registerService(im2, BarService.class.getName(), new barProvider(), null);
try {
assertEquals("Check number of registred service", 2, registry.getServiceReferences(null, null).length);
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
assertEquals("Check the number of registration", 1, filtered.registration);
reg2.setProperties(props);
assertEquals("Check the number of modification", 1, filtered.modification);
// Follow the OSGi semantics of filters
reg1.unregister();
reg2.unregister();
assertEquals("Check the number of unregistration", 2, filtered.unregistration);
registry.removeServiceListener(filtered);
}
public void testGetService() {
ComponentInstance im = new FakeComponent();
ComponentInstance im2 = new FakeComponent();
ServiceRegistry registry = new ServiceRegistry(getContext());
try {
assertNull("Check that there is no available service", registry.getServiceReferences(null, null));
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
Properties props = new Properties();
props.put("foo", "bar");
ServiceRegistration reg1 = registry.registerService(im, BarService.class.getName(), new barProvider(), props);
ServiceReference ref = registry.getServiceReference(BarService.class.getName());
assertNotNull("Check ref not null", ref);
assertEquals("Test property", ref.getProperty("foo"), "bar");
BarService bar = (BarService) registry.getService(im2, ref);
assertTrue("Test invocation", bar.bar());
reg1.unregister();
ref = registry.getServiceReference(BarService.class.getName());
assertNull("Check ref null", ref);
}
public void testGetFilteredService() {
ComponentInstance im = new FakeComponent();
ComponentInstance im2 = new FakeComponent();
ServiceRegistry registry = new ServiceRegistry(getContext());
try {
assertNull("Check that there is no available service", registry.getServiceReferences(null, null));
} catch (InvalidSyntaxException e) { fail("Cannot query the registry : " + e.getMessage()); }
Properties props = new Properties();
props.put("foo", "bar");
ServiceRegistration reg1 = registry.registerService(im, BarService.class.getName(), new barProvider(), props);
ServiceRegistration reg2 = registry.registerService(im2, BarService.class.getName(), new barProvider(), null);
ServiceReference[] ref = null;
try {
ref = registry.getServiceReferences(BarService.class.getName(), "(foo=bar)");
} catch (InvalidSyntaxException e) { fail("Registry query fail : " + e.getMessage()); }
assertNotNull("Check ref not null", ref);
assertEquals("Check ref count", ref.length, 1);
assertEquals("Test property", ref[0].getProperty("foo"), "bar");
BarService bar = (BarService) registry.getService(im2, ref[0]);
assertTrue("Test invocation", bar.bar());
ref = null;
reg1.unregister();
try {
ref = registry.getServiceReferences(BarService.class.getName(), "(bar=foo)");
} catch (InvalidSyntaxException e) { fail("Registry query fail : " + e.getMessage()); }
assertNull("Check ref null", ref);
reg2.unregister();
}
}