/** 
 * 
 * Copyright 2004 Protique Ltd
 * 
 * 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.codehaus.activemq.transport;

/**
 * A listener of services being added or removed from a nework
 *
 * @version $Revision: 1.2 $
 */
public interface DiscoveryListener {

    /**
     * A service has started
     * @param event
     */
    public void addService(DiscoveryEvent event);

    /**
     * A service has stopped
     * @param event
     */
    public void removeService(DiscoveryEvent event);
}
