Spring集成ActiveMQ

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顾立剑
activemq
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文章目录
  1. 1. 核心类介绍
  2. 2. 在pom.xml中添加ActiveMQ依赖
  3. 3. 队列模式演示
    1. 3.1. 生产者发送消息
    2. 3.2. 消费者消费消息

核心类介绍

  • ConnectionFactory 用于管理连接的连接工厂
    • 一个Spring为我们提供的连接池
    • Spring 中提供了 SingleConnectionFactory 和 CachingConnectionFactory
  • JmsTemplate 用于发送和接收消息的模板类
  • MessageListener 消息监听器

在pom.xml中添加ActiveMQ依赖

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<properties>
    <spring.version>4.2.5.RELEASE</spring.version>
</properties>

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.16.20</version>
    </dependency>
    <dependency>
        <groupId>org.apache.activemq</groupId>
        <artifactId>activemq-core</artifactId>
        <version>5.7.0</version>
        <exclusions>
            <exclusion>
                <artifactId>spring-context</artifactId>
                <groupId>org.springframework</groupId>
            </exclusion>
        </exclusions>
    </dependency>
</dependencies>

队列模式演示

生产者发送消息

生产者发送消息接口 ProducerService.java 

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public interface ProducerService {

    /**
     * 发送消息
     *
     * @param message
     */
    void sendMessage(String message);

}

生产者发送消息接口实现类 ProducerServiceImpl.java

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public class ProducerServiceImpl implements ProducerService {

    @Autowired
    private JmsTemplate jmsTemplate;

    @Resource(name = "queueDestination")
    private Destination destination;

    public void sendMessage(final String message) {
        // 使用jmsTemplate发送消息
        jmsTemplate.send(destination, new MessageCreator() {
            // 创建一个消息
            public Message createMessage(Session session) throws JMSException {
                TextMessage textMessage = session.createTextMessage(message);
                return textMessage;
            }
        });
        System.out.println("发送消息：" + message);
    }
}

生产者公共配置文件 common.xml

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<?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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 启用注解 -->
    <context:annotation-config/>
    
    <!-- active mq 为我们提供的 ConnectionFactory -->
    <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
        <property name="brokerURL" value="tcp://localhost:61616"/>
    </bean>

    <!-- spring jms 为我们提供的连接池-->
    <bean id="connectionFactory" class="org.springframework.jms.connection.SingleConnectionFactory">
        <property name="targetConnectionFactory" ref="targetConnectionFactory"/>
    </bean>

    <!-- 一个队列目的地，点对点的-->
    <bean id="queueDestination" class="org.apache.activemq.command.ActiveMQQueue">
        <constructor-arg value="queue-spring"></constructor-arg>
    </bean>
    
</beans>

生产者配置文件 producer.xml 导入公共 common.xml 文件

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

    <!-- 引入公共配置-->
    <import resource="common.xml"/>
    
    <!-- 配置JmsTemplate，用于发送消息-->
    <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
        <property name="connectionFactory" ref="connectionFactory"/>
    </bean>

    <!-- 配置自己定义的bean-->
    <bean class="com.gulj.spring.jms.producer.ProducerServiceImpl"></bean>

</beans>

生产者启动类 AppProducer.java 运行main方法，启动生产者发送消息

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public class AppProducer {
    public static void main(String[] args) {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("producer.xml");
        ProducerService producerService = context.getBean(ProducerService.class);
        for (int i = 0; i < 80; i++) {
            producerService.sendMessage("test spring jms" + i);
        }
        context.close();
    }
}

生产者发送消息运行效果图

消费者消费消息

消费者监听消息进行消费 ConsumerMessageListener.java

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public class ConsumerMessageListener implements MessageListener {

    public void onMessage(Message message) {
        TextMessage textMessage = (TextMessage) message;
        try {
            System.out.println("接收到的消息：" + textMessage.getText());
        } catch (JMSException e) {
            e.printStackTrace();
        }
    }

}

消费者配置文件 consumer.xml

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

    <!-- 引入公共配置 -->
    <import resource="common.xml"/>
    
    <!-- 配置自定义的消息监听器-->
    <bean id="consumerMessageListener" class="com.gulj.spring.jms.consumer.ConsumerMessageListener"></bean>

    <!-- 配置消息监听容器 -->
    <bean id="jmsContainer" class="org.springframework.jms.listener.DefaultMessageListenerContainer">
        <!-- 连接工厂 -->
        <property name="connectionFactory" ref="connectionFactory"/>
        <!-- 队列名称 -->
        <property name="destination" ref="queueDestination"/>
        <!--消息监听器-->
        <property name="messageListener" ref="consumerMessageListener"/>
    </bean>
</beans>

消费者启动类 AppConsumer.java 直接运行main方法，监听消息进行消费

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public class AppConsumer {

    public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext("consumer.xml");
    }
}

消费者消费消息运行效果图

activemq