ActiveMQ example source code file (XBeanBrokerService.java)

This example ActiveMQ source code file (XBeanBrokerService.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

annotation, brokerservice, deprecated, deprecated, exception, exception, io, ioexception, ioexception, log, logger, override, postconstruct, systemusage, xbeanbrokerservice, xbeanbrokerservice

The ActiveMQ XBeanBrokerService.java source code

/**
 * 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.xbean;

import java.io.IOException;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.usage.SystemUsage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * An ActiveMQ Message Broker. It consists of a number of transport
 * connectors, network connectors and a bunch of properties which can be used to
 * configure the broker as its lazily created.
 * 
 * @org.apache.xbean.XBean element="broker" rootElement="true"
 * @org.apache.xbean.Defaults {code:xml} 
 * <broker test="foo.bar">
 *   lets.
 *   see what it includes.
 * </broker>   
 * {code}
 * 
 */
public class XBeanBrokerService extends BrokerService {
    private static final transient Logger LOG = LoggerFactory.getLogger(XBeanBrokerService.class);
    
    private boolean start = true;
    
    public XBeanBrokerService() {
    }

    /**
     *
     * @throws Exception
     * @org.apache.xbean.InitMethod
     */
    @PostConstruct
    public void afterPropertiesSet() throws Exception {
        ensureSystemUsageHasStore();
        if (shouldAutostart()) {
            start();
        }
    }

    @Override
    protected boolean shouldAutostart() {
        return start;
    }

    private void ensureSystemUsageHasStore() throws IOException {
        SystemUsage usage = getSystemUsage();
        if (usage.getStoreUsage().getStore() == null) {
            usage.getStoreUsage().setStore(getPersistenceAdapter());
        }
        if (usage.getTempUsage().getStore() == null) {
            usage.getTempUsage().setStore(getTempDataStore());
        }
    }

    /**
     *
     * @throws Exception
     * @org.apache.xbean.DestroyMethod
     */
    @PreDestroy
    public void destroy() throws Exception {
        stop();
    }
    

    /**
     * Sets whether or not the broker is started along with the ApplicationContext it is defined within.
     * Normally you would want the broker to start up along with the ApplicationContext but sometimes when working
     * with JUnit tests you may wish to start and stop the broker explicitly yourself.
     */
    public void setStart(boolean start) {
        this.start = start;
    }

    /**
     * Sets whether the broker should shutdown the ApplicationContext when the broker jvm is shutdown.
     * The broker can be stopped because the underlying JDBC store is unavailable for example.
     */
    @Deprecated
    public void setDestroyApplicationContextOnShutdown(boolean destroy) {
        LOG.warn("destroyApplicationContextOnShutdown parameter is deprecated, please use shutdown hooks instead");
    }
    
    /**
     * Sets whether the broker should shutdown the ApplicationContext when the broker is stopped.
     * The broker can be stopped because the underlying JDBC store is unavailable for example.
     */
    @Deprecated
    public void setDestroyApplicationContextOnStop(boolean destroy) {
        LOG.warn("destroyApplicationContextOnStop parameter is deprecated, please use shutdown hooks instead");
    }
    
}