使用ActiveMQ和Spring配置訂閱發佈模式

 使用Spring來配置ActiveMQ的消息訂閱發佈，消息持久化

發送者的配置：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-2.5.xsd">

    <!-- 配置JMS連接工廠 -->
    <bean id="myConnectionFactory"
        class="org.springframework.jms.connection.CachingConnectionFactory">
        <!-- Session緩存數量 -->
        <property name="sessionCacheSize" value="10" />
        <property name="targetConnectionFactory">
            <bean class="org.apache.activemq.ActiveMQConnectionFactory">
                <!-- MQ地址 -->
                <property name="brokerURL"
                    value="failover:(tcp://127.0.0.1:61616,tcp://127.0.0.1:61617)?randomize=false" />
                <!-- 是否異步發送 -->
                <property name="useAsyncSend" value="false" />
            </bean>
        </property>
    </bean>

    <!-- 發送消息的目的地（一個主題） -->
    <bean id="myDestination" class="org.apache.activemq.command.ActiveMQTopic">
        <!-- 設置消息主題的名字 -->
        <constructor-arg index="0" value="Online.Notice.Topic" />
    </bean>

    <!-- 配置JMS模版 -->
    <bean id="myJmsTemplate" class="org.springframework.jms.core.JmsTemplate">
        <property name="connectionFactory" ref="myConnectionFactory" />
        <property name="defaultDestination" ref="myDestination" />
        <!-- 訂閱發佈模式 -->
        <property name="pubSubDomain" value="true" />
        <property name="receiveTimeout" value="10000" />
        <property name="explicitQosEnabled" value="true" />
    </bean>
</beans>

 

接收者的配置：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
         http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
         http://www.springframework.org/schema/context
         http://www.springframework.org/schema/context/spring-context-2.5.xsd">

    <!-- 配置JMS連接工廠 -->
    <bean id="myConnectionFactory"
        class="org.springframework.jms.connection.CachingConnectionFactory">
        <!-- Session緩存數量 -->
        <property name="sessionCacheSize" value="10" />
        <!-- 接收者ID -->
        <property name="clientId" value="client_118" />
        <property name="targetConnectionFactory">
            <bean class="org.apache.activemq.ActiveMQConnectionFactory">
                <!-- MQ地址 -->
                <property name="brokerURL"
                    value="failover:(tcp://127.0.0.1:61616,tcp://127.0.0.1:61617)?randomize=false" />
            </bean>
        </property>
    </bean>

    <!-- 發送消息的目的地（一個主題） -->
    <bean id="myDestination" class="org.apache.activemq.command.ActiveMQTopic">
        <!-- 設置消息主題的名字 -->
        <constructor-arg index="0" value="Online.Notice.Topic" />
    </bean>

    <!-- 生產消息配置 （自己定義） -->
    <bean id="myTopicConsumer" class="com.xikang.jms.SimpleJMSReceiver" />

    <!-- 消息監聽器 -->
    <bean id="myTopicListener"
        class="org.springframework.jms.listener.adapter.MessageListenerAdapter">
        <constructor-arg ref="myTopicConsumer" />
        <!-- 接收消息的方法名稱 -->
        <property name="defaultListenerMethod" value="receive" />
        <!-- 不進行消息轉換 -->
        <property name="messageConverter">
            <null />
        </property>
    </bean>

    <!-- 消息監聽容器 -->
    <bean id="myListenerContainer"
        class="org.springframework.jms.listener.DefaultMessageListenerContainer">
        <property name="connectionFactory" ref="myConnectionFactory" />
        <!-- 發佈訂閱模式 -->
        <property name="pubSubDomain" value="true" />
        <!-- 消息持久化 -->
        <property name="subscriptionDurable" value="true" />
        <property name="receiveTimeout" value="10000" />
        <!-- 接收者ID -->
        <property name="clientId" value="client_118" />
        <property name="durableSubscriptionName" value="client_118" />
        <property name="destination" ref="myDestination" />
        <property name="messageListener" ref="myTopicListener" />
    </bean>

</beans>

當有多個接收者時，修改clientId的值。

ActiveMQ好像不支持接收者的集羣。

發送者代碼：

package com.xikang.jms;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TextMessage;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jms.JmsException;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;

public class SimpleJMSSender {
    private static final Log logger = LogFactory.getLog(SimpleJMSSender.class);

    static int index = 0;

    public static void main(String[] args) {
        ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext-send.xml");

        JmsTemplate jmsTemplate = (JmsTemplate) ctx.getBean("myJmsTemplate");
        for (int i = 0; i < 100; i++) {
            index = i;
            try {
                jmsTemplate.send(new MessageCreator() {
                    public Message createMessage(Session session) throws JMSException {
                        TextMessage msg = session.createTextMessage();
                        // 設置消息屬性
                        msg.setStringProperty("phrCode", "C001  " + index);
                        // 設置消息內容
                        msg.setText("Hello World!  " + index);
                        logger.info("Send  " + index);
                        return msg;
                    }
                });
            } catch (JmsException e) {
                System.exit(1);
            }
        }
    }
}

 

接收者代碼：

package com.xikang.jms;

import javax.jms.JMSException;
import javax.jms.TextMessage;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jms.JmsException;

public class SimpleJMSReceiver {
    private static final Log logger = LogFactory.getLog(SimpleJMSReceiver.class);

    public static void main(String[] args) throws InterruptedException {
        ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext-receive.xml");
        while(true) {
            Thread.sleep(100);
        }
    }

    public void receive(TextMessage message) throws JmsException, JMSException {
        logger.info(message.getText());
    }
}