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/**
* 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.activemq.transport.discovery;
import java.io.IOException;
import javax.jms.JMSException;
import org.apache.activemq.Service;
import org.apache.activemq.command.DiscoveryEvent;
/**
* An agent used to discover other instances of a service.
*
* We typically use a discovery agent to auto-discover JMS clients and JMS brokers on a network
*
* @version $Revision$
*/
public interface DiscoveryAgent extends Service {
/**
* Sets the discovery listener
* @param listener
*/
void setDiscoveryListener(DiscoveryListener listener);
/**
* register a service
* @param name
* @param details
* @throws JMSException
*/
void registerService(String name) throws IOException;
/**
* A process actively using a service may see it go down before the DiscoveryAgent notices the
* service's failure. That process can use this method to notify the DiscoveryAgent of the failure
* so that other listeners of this DiscoveryAgent can also be made aware of the failure.
*/
void serviceFailed(DiscoveryEvent event) throws IOException;
}