001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.broker;
018    
019    import org.slf4j.Logger;
020    import org.slf4j.LoggerFactory;
021    
022    /**
023     * A useful base class for implementing broker plugins.
024     * 
025     * 
026     */
027    public abstract class BrokerPluginSupport extends MutableBrokerFilter implements BrokerPlugin {
028        private static final Logger LOG = LoggerFactory.getLogger(BrokerPluginSupport.class);
029        public BrokerPluginSupport() {
030            super(null);
031        }
032    
033        public Broker installPlugin(Broker broker) throws Exception {
034            setNext(broker);
035            return this;
036        }
037        
038        @Override
039        public void start() throws Exception {
040            super.start();
041            LOG.info("Broker Plugin " + getClass().getName() + " started");
042        }
043        
044        @Override
045        public void stop() throws Exception {
046            super.stop();
047            LOG.info("Broker Plugin " + getClass().getName() + " stopped");
048        }
049        
050    }