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 */ 017package org.apache.activemq.broker; 018 019import org.slf4j.Logger; 020import org.slf4j.LoggerFactory; 021 022/** 023 * A useful base class for implementing broker plugins. 024 * 025 * 026 */ 027public 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 {} started", getClass().getName()); 042 } 043 044 @Override 045 public void stop() throws Exception { 046 super.stop(); 047 LOG.info("Broker Plugin {} stopped", getClass().getName()); 048 } 049 050}