Redis系列-JAVA与redis整合-Spring Data Redis实现一个订阅/发布系统
2013-11-03 12:44
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转载 /article/10222896.html
消费端:
服务端
启动消费端
启动生产端 发送信息
客户端返回:
客户端返回:
消费者1
[21341, 123123, 12323]
java.lang.String@84ce7a[value={H,e,l,l,o,,, ,R,e,d,i,s,!},offset=0,count=13,hash=1345989452
项目打包下载
消费端:
<?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" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:hostName="192.168.1.234" p:port="6379" p:usePool="true"> </bean> <!-- redis template definition --> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate" p:connectionFactory-ref="jedisConnectionFactory"/> <bean id="redisDAO" class="pubsub.dao.impl.RedisDAOImpl"> <property name="redisTemplate" ref="redisTemplate" /> </bean> <bean id="serialization" class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" /> <bean id="messageDelegateListener" class="pubsub.message.MessageDelegateListenerImpl" /> <bean id="messageListener" class="org.springframework.data.redis.listener.adapter.MessageListenerAdapter"> <property name="delegate" ref="messageDelegateListener" /> <property name="serializer" ref="serialization" /> </bean> <bean id="redisContainer" class="org.springframework.data.redis.listener.RedisMessageListenerContainer"> <property name="connectionFactory" ref="jedisConnectionFactory"/> <property name="messageListeners"> <!-- map of listeners and their associated topics (channels or/and patterns) --> <map> <entry key-ref="messageListener"> <bean class="org.springframework.data.redis.listener.ChannelTopic"> <constructor-arg value="java" /> <!-- 这里配置消费端需要订阅的频道,可以是多个。该一例子订阅JAVA这个频道 --> </bean> </entry> </map> </property> </bean> </beans>
服务端
<?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" xmlns:redis="http://www.springframework.org/schema/redis" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/redis http://www.springframework.org/schema/redis/spring-redis-1.0.xsd"> <bean id="redisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:hostName="192.168.1.234" p:port="6379" p:usePool="true"> </bean> <!-- redis template definition --> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate" p:connectionFactory-ref="redisConnectionFactory"/> <bean id="redisDAO" class="pubsub.dao.impl.RedisDAOImpl"> <property name="redisTemplate" ref="redisTemplate" /> </bean> <bean id="listener" class="pubsub.message.MessageDelegateListenerImpl"/> <!-- the default ConnectionFactory --> <bean id="jdkSerializer" class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" /> <redis:listener-container> <!-- the method attribute can be skipped as the default method name is "handleMessage" --> <redis:listener ref="listener" serializer="jdkSerializer" method="handleMessage" topic="java" /> <!-- 发布频道的名称--> </redis:listener-container> </beans>
package pubsub.dao; import java.io.Serializable; import org.springframework.data.redis.core.RedisTemplate; public interface RedisDAO { public abstract void sendMessage(String channel, Serializable message); public abstract RedisTemplate getRedisTemplate(); public abstract void setRedisTemplate(RedisTemplate redisTemplate); }
package pubsub.dao.impl; import java.io.Serializable; import org.springframework.data.redis.core.RedisTemplate; import pubsub.dao.RedisDAO; public class RedisDAOImpl implements RedisDAO{ private RedisTemplate<String, Object> redisTemplate = null; public RedisDAOImpl() { } @Override public void sendMessage(String channel, Serializable message) { redisTemplate.convertAndSend(channel, message); } public RedisTemplate getRedisTemplate() { return redisTemplate; } public void setRedisTemplate(RedisTemplate redisTemplate) { this.redisTemplate = redisTemplate; } }
package pubsub.message; import java.io.Serializable; public interface MessageDelegateListener { void handleMessage(Serializable message); }
package pubsub.message; import java.io.Serializable; import java.util.Arrays; import java.util.List; import java.util.Map; import org.apache.commons.lang.builder.ToStringBuilder; /** * 接收消息的Listener,用于接收订阅到的消息. * @author Administrator * */ public class MessageDelegateListenerImpl implements MessageDelegateListener { @Override public void handleMessage(Serializable message) { // 什么都不做,只输出 if (message == null) { System.out.println("null"); } else if (message.getClass().isArray()) { System.out.println(Arrays.toString((Object[]) message)); } else if (message instanceof List<?>) { System.out.println(message); } else if (message instanceof Map<?, ?>) { System.out.println(message); } else { System.out.println(ToStringBuilder.reflectionToString(message)); } } }
启动消费端
package pubsub.test; import org.junit.Before; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import pubsub.message.MessageDelegateListenerImpl; public class TestRedisConsumer { private MessageDelegateListenerImpl messageDelegateListener=null; @Before public void setUp() throws Exception { ApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring-consumer-test.xml"); messageDelegateListener = (MessageDelegateListenerImpl) applicationContext.getBean("messageDelegateListener"); } public static void main(String[] args) { new ClassPathXmlApplicationContext("spring-consumer-test.xml"); System.out.println("消费者1"); while (true) { //这里是一个死循环,目的就是让进程不退出,用于接收发布的消息 try { Thread.sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } } } }
启动生产端 发送信息
package pubsub.test; import org.junit.Before; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import pubsub.dao.impl.RedisDAOImpl; public class TestRedisProduce { private RedisDAOImpl redisDAO=null; @Before public void setUp() throws Exception { ApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring-service-test.xml"); redisDAO = (RedisDAOImpl) applicationContext.getBean("redisDAO"); } @Test public void testPublishMessage() throws Exception { String msg = "Hello, Redis!"; redisDAO.sendMessage("java", msg); //发布字符串消息 Integer[] values = new Integer[]{21341,123123,12323}; redisDAO.sendMessage("java", values); //发布一个数组消息 } }
客户端返回:
package pubsub.test; import org.junit.Before; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import pubsub.message.MessageDelegateListenerImpl; public class TestRedisConsumer { private MessageDelegateListenerImpl messageDelegateListener=null; @Before public void setUp() throws Exception { ApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring-consumer-test.xml"); messageDelegateListener = (MessageDelegateListenerImpl) applicationContext.getBean("messageDelegateListener"); } public static void main(String[] args) { new ClassPathXmlApplicationContext("spring-consumer-test.xml"); System.out.println("消费者1"); while (true) { //这里是一个死循环,目的就是让进程不退出,用于接收发布的消息 try { Thread.sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } } } }
客户端返回:
消费者1
[21341, 123123, 12323]
java.lang.String@84ce7a[value={H,e,l,l,o,,, ,R,e,d,i,s,!},offset=0,count=13,hash=1345989452
项目打包下载
package pubsub.test; import org.junit.Before; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import pubsub.message.MessageDelegateListenerImpl; public class TestRedisConsumer { private MessageDelegateListenerImpl messageDelegateListener=null; @Before public void setUp() throws Exception { ApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring-consumer-test.xml"); messageDelegateListener = (MessageDelegateListenerImpl) applicationContext.getBean("messageDelegateListener"); } public static void main(String[] args) { new ClassPathXmlApplicationContext("spring-consumer-test.xml"); System.out.println("消费者1"); while (true) { //这里是一个死循环,目的就是让进程不退出,用于接收发布的消息 try { Thread.sleep(3000); } catch (InterruptedException e) { e.printStackTrace(); } } } }
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