ServiceTrackerListener.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2011-2013 ForgeRock AS. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * http://forgerock.org/license/CDDLv1.0.html
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at http://forgerock.org/license/CDDLv1.0.html
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 */

package org.forgerock.openidm.osgi;

import org.osgi.framework.ServiceReference;

/**
 * Listener to handle state changes in the Service Tracker
 *
 */
public interface ServiceTrackerListener {

    /**
     * Notified when a service is added.
     *
     * @param reference
     *            reference of added service
     * @param service
     *            added service
     */
    public void addedService(ServiceReference reference, Object service);

    /**
     * Notified when a service is removed.
     *
     * @param reference
     *            reference of removed service
     * @param service
     *            removed service
     */
    public void removedService(ServiceReference reference, Object service);

    /**
     * Notified when a service is modified
     *
     * @param reference
     *            reference of modified service.
     * @param service
     *            modified service
     */
    public void modifiedService(ServiceReference reference, Object service);
}