ActiveMQ集成Spring使用
现在任何一个框架的使用都会结合spring框架,quartz、cxf与平时常见的Hibernate、mybatis、Struts等都可以与spring集成起来使用,在这里研究了activemq结合spring的使用方法。
1.理论篇
spring集成JMS连接ActiveMq
ConnectionFactory:用于管理连接的工厂(Spring为我们提供的连接池,因为JmsTemplate每次发消息都会重新创建连接、会话和producer,这个操作非常消耗性能,所以Spring提供了连接池)
spring提供了两个实现类:SingleConnectionFactory--整个应用使用同一个Connection进行操作,并且重写了其close()方法
CachingConnectionFactory--继承自SingleConnectionFactory,所以有SingleConnectionFactory的所有功能,并且额外提供了缓存功能,可以缓存Session、producer、consumer等。
JmsTemplate:用于接收和发送消息的模板。Spring提供的,我们只需要向spring容器注册这个类就可以使用JmsTemplate方便的操作JMS。JmsTemplate类是线程安全的,可以在整个范围内使用,而且我们可以注册多个JmsTemplate到spring中。
MessageListener:消息监听器。需要我们手动实现,只需要实现一个omMessage(Message message)方法。
2.代码实现spring集成activemq
0.pom.xml配置与目录结构与log4j.properties
log4j.rootLogger=info,B,A
log4j.appender.A=org.apache.log4j.ConsoleAppender
log4j.appender.A.layout=org.apache.log4j.PatternLayout
log4j.appender.A.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n
log4j.appender.B=org.apache.log4j.RollingFileAppender
log4j.appender.B.File=E:\\jms.log
log4j.appender.B.MaxFileSize=10MB
log4j.appender.B.MaxBackupIndex=5
log4j.appender.B.layout=org.apache.log4j.PatternLayout
log4j.appender.B.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>cn.qlq</groupId> <artifactId>jms-spring</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>jms-spring Maven Webapp</name> <!-- 版本管理 --> <properties> <springframework>4.1.8.RELEASE</springframework> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.10</version> <scope>test</scope> </dependency> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <scope>provided</scope> <version>2.5</version> </dependency> <!-- spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${springframework}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${springframework}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${springframework}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${springframework}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jms</artifactId> <version>${springframework}</version> </dependency> <!-- xbean 如<amq:connectionFactory /> --> <dependency> <groupId>org.apache.xbean</groupId> <artifactId>xbean-spring</artifactId> <version>3.16</version> </dependency> <!-- activemq --> <dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-core</artifactId> <version>5.7.0</version> </dependency> <dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-pool</artifactId> <version>5.12.1</version> </dependency> <!-- slf4j--> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.12</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.5</version> </dependency> </dependencies> <build> <finalName>Crawl-Page</finalName> <plugins> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <configuration> <port>8080</port> <path>/</path> </configuration> </plugin> </plugins> </build> </project>
1.队列模式的MQ实现(Destination设置为ActiveMQQueue即可)
ApplicationContext-all.xml
<?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"> <!--配置扫描注解的包--> <context:component-scan base-package="cn.qlq.jms" ></context:component-scan> <!--Spring为我们提供的ConnectionFactory--> <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory"> <property name="brokerURL" value="tcp://localhost:61616"></property> </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> <!--一个队列的目的地,构造方法指定queueName,点对点模式--> <bean id="queueDestination" class="org.apache.activemq.command.ActiveMQQueue"> <constructor-arg value="queue"></constructor-arg> </bean> <!--spring JMS提供的JmsTemplate--> <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate"> <property name="connectionFactory" ref="connectionFactory"/> </bean> <!--消费消息容器(需要注入连接工厂,目的地,消息消费者监听器)--> <bean id="jmsContainer" class="org.springframework.jms.listener.DefaultMessageListenerContainer"> <property name="connectionFactory" ref="connectionFactory"/> <property name="destination" ref="queueDestination"/> <property name="messageListener" ref="myConsumer"/> </bean> </beans>
生产者接口和实现类:
package cn.qlq.jms.producer; /** * @Author: qlq * @Description * @Date: 21:25 2018/9/27 */ public interface MyProducer { void sendMessage(String message); }
package cn.qlq.jms.producer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.jms.core.JmsTemplate; import org.springframework.jms.core.MessageCreator; import org.springframework.stereotype.Service; import javax.jms.*; /** * @Author: qlq * @Description * @Date: 21:26 2018/9/27 */ @Service public class MyProducerImpl implements MyProducer { private static final Logger logger = LoggerFactory.getLogger(MyProducerImpl.class); @Autowired private JmsTemplate jmsTemplate; @Autowired @Qualifier("queueDestination") private Destination destination; public void sendMessage(final String message) { jmsTemplate.send(destination, new MessageCreator() { public Message createMessage(Session session) throws JMSException { TextMessage textMessage = session.createTextMessage(message); return textMessage; } }); logger.info("send textMesage:{}",message); } }
消费消息监听器代码:
package cn.qlq.jms.producer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Service; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageListener; import javax.jms.TextMessage; /** * @Author: qlq * @Description * @Date: 22:36 2018/9/27 */ @Service public class MyConsumer implements MessageListener { private static final Logger logger = LoggerFactory.getLogger(MyConsumer.class); public void onMessage(Message message) { TextMessage textMessage = (TextMessage) message; try { System.out.println("consumer message:"+ textMessage.getText()); } catch (JMSException e) { logger.error("consume message error", e); } } }
生产者启动类:启动spring容器,获取bean并且发布消息:
package cn.qlq.jms.producer; import org.apache.xbean.spring.context.ClassPathXmlApplicationContext; import org.springframework.context.ApplicationContext; /** * @Author: qlq * @Description 生产消息的入口类 * @Date: 22:15 2018/9/27 */ public class ProducerApp { public static void main(String[] args) { ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("ApplicationContext-all.xml"); // ApplicationContext applicationContext = new ClassPathXmlApplicationContext("ApplicationContext-all.xml"); MyProducer myProducer = (MyProducer) applicationContext.getBean("myProducerImpl"); for (int i = 0; i < 100; i++) { myProducer.sendMessage(" message"+i); } applicationContext.close();//关闭容器,会自动关闭所有的资源 } }
消费者启动类:启动spring容器,会自动监听目的地的消息:
package cn.qlq.jms.producer; import org.apache.xbean.spring.context.ClassPathXmlApplicationContext; /** * @Author: qlq * @Description 消费消息的入口类 * @Date: 22:15 2018/9/27 */ public class ConsumerApp { public static void main(String[] args) { //启动容器会自动消费消息 ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("ApplicationContext-all.xml"); } }
启动三个消费者一个生产者,查看控制台结果:(符合队列模式的特点:平均消费)
activemq后台查看结果:(已经停掉3个消费者线程所以消费者是0)
2.主题模式的MQ实现(Destination设置为ActiveMQQueue即可)
在Spring的xml配置文件中增加topic目的地,并且将消息监听的目的地设为topicDestination
<?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"> <!--配置扫描注解的包--> <context:component-scan base-package="cn.qlq.jms" ></context:component-scan> <!--Spring为我们提供的ConnectionFactory--> <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory"> <property name="brokerURL" value="tcp://localhost:61616"></property> </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> <!--一个队列的目的地,构造方法指定queueName,点对点模式--> <bean id="queueDestination" class="org.apache.activemq.command.ActiveMQQueue"> <constructor-arg value="queue"></constructor-arg> </bean> <!--spring JMS提供的JmsTemplate--> <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate"> <property name="connectionFactory" ref="connectionFactory"/> </bean> <!--消费消息容器(需要注入连接工厂,目的地,消息消费者监听器)--> <bean id="jmsContainer" class="org.springframework.jms.listener.DefaultMessageListenerContainer"> <property name="connectionFactory" ref="connectionFactory"/> <property name="destination" ref="topicDestination"/> <property name="messageListener" ref="myConsumer"/> </bean> <!--一个队列的目的地,构造方法指定queueName,点对点模式--> <bean id="topicDestination" class="org.apache.activemq.command.ActiveMQTopic"> <constructor-arg value="topic"></constructor-arg> </bean> </beans>
消息生产者将目的地注入为topicDestination
package cn.qlq.jms.producer; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.jms.core.JmsTemplate; import org.springframework.jms.core.MessageCreator; import org.springframework.stereotype.Service; import javax.jms.*; /** * @Author: qlq * @Description * @Date: 21:26 2018/9/27 */ @Service public class MyProducerImpl implements MyProducer { private static final Logger logger = LoggerFactory.getLogger(MyProducerImpl.class); @Autowired private JmsTemplate jmsTemplate; @Autowired @Qualifier("topicDestination") private Destination destination; public void sendMessage(final String message) { jmsTemplate.send(destination, new MessageCreator() { public Message createMessage(Session session) throws JMSException { TextMessage textMessage = session.createTextMessage(message); return textMessage; } }); logger.info("send textMesage:{}",message); } }
剩下的测试代码同上,还是先开启三个消费者,再开启一个生产者,查看结果:(符合订阅模式特点:消费所有已经订阅的消息)
activemq后台查看结果: