org.apache.felix.dependencymanager/src/main/java/org/apache/felix/dependencymanager/ServiceTrackerCustomizer.java

/*
 *   Copyright 2006 The Apache Software Foundation
 *
 *   Licensed 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.dependencymanager;

import org.osgi.framework.ServiceReference;

/**
 * TODO modified version of a normal service tracker customizer, this one has an
 * extra callback "addedservice" that is invoked after the service has been added
 * to the tracker (and therefore is accessible through the tracker API)
 * 
 * @author Marcel Offermans
 */
public interface ServiceTrackerCustomizer {
    public Object addingService(ServiceReference ref);
    public void addedService(ServiceReference ref, Object service);
    public void modifiedService(ServiceReference ref, Object service);
    public void removedService(ServiceReference ref, Object service);
}