java 通过jmx获取active mq队列消息

http://www.cnblogs.com/king1302217/p/6278987.html

一、修改active mq配置文件

修改\conf\activemq.xml，带下划线部分

<!--

    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.
-->
<!-- START SNIPPET: example -->
<beans
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">


    <!-- Allows us to use system properties as variables in this configuration file -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>file:${activemq.conf}/credentials.properties</value>
        </property>
    </bean>


   <!-- Allows accessing the server log -->
    <bean id="logQuery" class="io.fabric8.insight.log.log4j.Log4jLogQuery"
          lazy-init="false" scope="singleton"
          init-method="start" destroy-method="stop">
    </bean>


    <!--
        The <broker> element is used to configure the ActiveMQ broker.
        配置使用jmx
    -->
    <broker xmlns="http://activemq.apache.org/schema/core" brokerName="broker" dataDirectory="${activemq.data}" useJmx="true">


        <destinationPolicy>
            <policyMap>
              <policyEntries>
                <policyEntry topic=">" >
                    <!-- The constantPendingMessageLimitStrategy is used to prevent
                         slow topic consumers to block producers and affect other consumers
                         by limiting the number of messages that are retained
                         For more information, see:


                         http://activemq.apache.org/slow-consumer-handling.html


                    -->
                  <pendingMessageLimitStrategy>
                    <constantPendingMessageLimitStrategy limit="1000"/>
                  </pendingMessageLimitStrategy>
                </policyEntry>
              </policyEntries>
            </policyMap>
        </destinationPolicy>




        <!--
            The managementContext is used to configure how ActiveMQ is exposed in
            JMX. By default, ActiveMQ uses the MBean server that is started by
            the JVM. For more information, see:


            http://activemq.apache.org/jmx.html
            配置端口connectorPort=1099
        -->
      <managementContext>
        <managementContext connectorPort="1099" createConnector="true"/>
     </managementContext>


        <!--
            Configure message persistence for the broker. The default persistence
            mechanism is the KahaDB store (identified by the kahaDB tag).
            For more information, see:


            http://activemq.apache.org/persistence.html
        -->
        <persistenceAdapter>
            <kahaDB directory="${activemq.data}/kahadb"/>
        </persistenceAdapter>




          <!--
            The systemUsage controls the maximum amount of space the broker will
            use before disabling caching and/or slowing down producers. For more information, see:
            http://activemq.apache.org/producer-flow-control.html
          -->
          <systemUsage>
            <systemUsage>
                <memoryUsage>
                    <memoryUsage percentOfJvmHeap="70" />
                </memoryUsage>
                <storeUsage>
                    <storeUsage limit="100 gb"/>
                </storeUsage>
                <tempUsage>
                    <tempUsage limit="50 gb"/>
                </tempUsage>
            </systemUsage>
        </systemUsage>


        <!--
            The transport connectors expose ActiveMQ over a given protocol to
            clients and other brokers. For more information, see:


            http://activemq.apache.org/configuring-transports.html
        -->
        <transportConnectors>
            <!-- DOS protection, limit concurrent connections to 1000 and frame size to 100MB -->
            <transportConnector name="openwire" uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
            <transportConnector name="amqp" uri="amqp://0.0.0.0:5672?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
            <transportConnector name="stomp" uri="stomp://0.0.0.0:61613?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
            <transportConnector name="mqtt" uri="mqtt://0.0.0.0:1883?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
            <transportConnector name="ws" uri="ws://0.0.0.0:61614?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
        </transportConnectors>


        <!-- destroy the spring context on shutdown to stop jetty -->
        <shutdownHooks>
            <bean xmlns="http://www.springframework.org/schema/beans" class="org.apache.activemq.hooks.SpringContextHook" />
        </shutdownHooks>


    </broker>


    <!--
        Enable web consoles, REST and Ajax APIs and demos
        The web consoles requires by default login, you can disable this in the jetty.xml file


        Take a look at ${ACTIVEMQ_HOME}/conf/jetty.xml for more details
    -->
    <import resource="jetty.xml"/>


</beans>

<!-- END SNIPPET: example -->

二、测试程序

package com.PolicePosDataCenter;import javax.management.MBeanServerConnection;import javax.management.MBeanServerInvocationHandler;import javax.management.ObjectName;import javax.management.remote.JMXConnector;import javax.management.remote.JMXConnectorFactory;import javax.management.remote.JMXServiceURL;import org.apache.activemq.broker.jmx.BrokerViewMBean;import org.apache.activemq.broker.jmx.QueueViewMBean;public class testMqClient {    //jmx服务地址，注意端口    static String jmxserviceURL="service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi";    //brokerName和type首字母要小些，brokerName=broker要与上面配置文件一致，斜体下划线部分    static String objectName="org.apache.activemq:brokerName=broker,type=Broker";     /**     * 获取状态     * @throws Exception     */    public static void main(String[] args) throws Exception {        JMXServiceURL url = new JMXServiceURL(jmxserviceURL);        JMXConnector connector = JMXConnectorFactory.connect(url, null);        connector.connect();        MBeanServerConnection connection = connector.getMBeanServerConnection();        ObjectName name = new ObjectName(objectName);        BrokerViewMBean mBean =  (BrokerViewMBean)MBeanServerInvocationHandler.newProxyInstance(connection,               name, BrokerViewMBean.class, true);        // System.out.println(mBean.getBrokerName());                for(ObjectName queueName : mBean.getQueues()) {            QueueViewMBean queueMBean =   (QueueViewMBean)MBeanServerInvocationHandler.                   newProxyInstance(connection, queueName, QueueViewMBean.class, true);            System.out.println("\n------------------------------\n");            // 消息队列名称            System.out.println("States for queue --- " + queueMBean.getName());            // 队列中剩余的消息数            System.out.println("Size --- " + queueMBean.getQueueSize());            // 消费者数            System.out.println("Number of consumers --- " + queueMBean.getConsumerCount());            // 出队数            System.out.println("Number of dequeue ---" + queueMBean.getDequeueCount() );        }                }}