这期内容当中小编将会给大家带来有关怎么在Spring Boot中利用ActiveMQ实现一个延迟消息，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
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activemq.bat启动：
wrapper | --> Wrapper Started as Console
wrapper | Launching a JVM...
jvm 1 | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
jvm 1 | Copyright 1999-2006 Tanuki Software, Inc. All Rights Reserved.
jvm 1 |
jvm 1 | Java Runtime: Oracle Corporation 1.8.0_181 C:\Program Files\Java\jre1.8.0_181
jvm 1 | Heap sizes: current=125952k free=115299k max=932352k
jvm 1 | JVM args: -Dactivemq.home=../.. -Dactivemq.base=../.. -Djavax.net.ssl.keyStorePassword=password -Djavax.net.ssl.trustStorePassword=password -Djavax.net.ssl.keyStore=../../conf/broker.ks -Djavax.net.ssl.trustStore=../../conf/broker.ts -Dcom.sun.management.jmxremote -Dorg.apache.activemq.UseDedicatedTaskRunner=true -Djava.util.logging.config.file=logging.properties -Dactivemq.conf=../../conf -Dactivemq.data=../../data -Djava.security.auth.login.config=../../conf/login.config -Xmx1024m -Djava.library.path=../../bin/win64 -Dwrapper.key=mChNCWMZ2FoXhZ9g -Dwrapper.port=32000 -Dwrapper.jvm.port.min=31000 -Dwrapper.jvm.port.max=31999 -Dwrapper.pid=3500 -Dwrapper.version=3.2.3 -Dwrapper.native_library=wrapper -Dwrapper.cpu.timeout=10 -Dwrapper.jvmid=1
jvm 1 | Extensions classpath:
jvm 1 | [..\..\lib,..\..\lib\camel,..\..\lib\optional,..\..\lib\web,..\..\lib\extra]
jvm 1 | ACTIVEMQ_HOME: ..\..
jvm 1 | ACTIVEMQ_BASE: ..\..
jvm 1 | ACTIVEMQ_CONF: ..\..\conf
jvm 1 | ACTIVEMQ_DATA: ..\..\data
jvm 1 | Loading message broker from: xbean:activemq.xml
jvm 1 | INFO | Refreshing org.apache.activemq.xbean.XBeanBrokerFactory$1@f0ef68d: startup date [Fri May 24 15:16:21 CST 2019]; root of context hierarchy
jvm 1 | INFO | Using Persistence Adapter: KahaDBPersistenceAdapter[D:\Dev\apache-activemq-5.15.9\bin\win64\..\..\data\kahadb]
jvm 1 | INFO | PListStore:[D:\Dev\apache-activemq-5.15.9\bin\win64\..\..\data\localhost\tmp_storage] started
jvm 1 | INFO | Apache ActiveMQ 5.15.9 (localhost, ID:wulf00-51057-1558682182909-0:1) is starting
jvm 1 | INFO | Listening for connections at: tcp://wulf00:61616?maximumConnections=1000&wireFormat.maxFrameSize=104857600
jvm 1 | INFO | Connector openwire started
jvm 1 | INFO | Listening for connections at: amqp://wulf00:5672?maximumConnections=1000&wireFormat.maxFrameSize=104857600
jvm 1 | INFO | Connector amqp started
jvm 1 | INFO | Listening for connections at: stomp://wulf00:61613?maximumConnections=1000&wireFormat.maxFrameSize=104857600
jvm 1 | INFO | Connector stomp started
jvm 1 | INFO | Listening for connections at: mqtt://wulf00:1883?maximumConnections=1000&wireFormat.maxFrameSize=104857600
jvm 1 | INFO | Connector mqtt started
jvm 1 | INFO | Starting Jetty server
jvm 1 | INFO | Creating Jetty connector
jvm 1 | WARN | ServletContext@o.e.j.s.ServletContextHandler@17bc7c8a{/,null,STARTING} has uncovered http methods for path: /
jvm 1 | INFO | Listening for connections at ws://wulf00:61614?maximumConnections=1000&wireFormat.maxFrameSize=104857600
jvm 1 | INFO | Connector ws started
jvm 1 | INFO | Apache ActiveMQ 5.15.9 (localhost, ID:wulf00-51057-1558682182909-0:1) started
jvm 1 | INFO | For help or more information please see: http://activemq.apache.org
jvm 1 | WARN | Store limit is 102400 mb (current store usage is 0 mb). The data directory: D:\Dev\apache-activemq-5.15.9\bin\win64\..\..\data\kahadb only has 92649 mb of usable space. - resetting to maximum available disk space: 92649 mb
jvm 1 | INFO | No Spring WebApplicationInitializer types detected on classpath
jvm 1 | INFO | ActiveMQ WebConsole available at http://0.0.0.0:8161/
jvm 1 | INFO | ActiveMQ Jolokia REST API available at http://0.0.0.0:8161/api/jolokia/
jvm 1 | INFO | Initializing Spring FrameworkServlet 'dispatcher'
jvm 1 | INFO | No Spring WebApplicationInitializer types detected on classpath
jvm 1 | INFO | jolokia-agent: Using policy access restrictor classpath:/jolokia-access.xml默认端口8161，访问下http://localhost:8161/admin，用户名密码都是admin，进入控制台页面：
我们用坐上方的Queues来创建一个叫vboxlog的队列：
二、修改activeMQ配置文件
broker新增配置信息 schedulerSupport="true"
" >
三、创建SpringBoot工程
1、配置ActiveMQ工厂信息，信任包必须配置否则会报错
package com.example.demoactivemq.config;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.RedeliveryPolicy;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.ArrayList;
import java.util.List;
/**
* @author shanks on 2019-11-12
*/
@Configuration
public class ActiveMqConfig {
@Bean
public ActiveMQConnectionFactory factory(@Value("${spring.activemq.broker-url}") String url){
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(url);
// 设置信任序列化包集合
List models = new ArrayList<>();
models.add("com.example.demoactivemq.domain");
factory.setTrustedPackages(models);
return factory;
}
}消息实体类
package com.example.demoactivemq.domain;
import lombok.Builder;
import lombok.Data;
import java.io.Serializable;
/**
* @author shanks on 2019-11-12
*/
@Builder
@Data
public class MessageModel implements Serializable {
private String titile;
private String message;
}生产者
package com.example.demoactivemq.producer;
import lombok.extern.slf4j.Slf4j;
import org.apache.activemq.ScheduledMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.jms.JmsProperties;
import org.springframework.jms.core.JmsMessagingTemplate;
import org.springframework.stereotype.Service;
import javax.jms.*;
import java.io.Serializable;
/**
* 消息生产者
*
* @author shanks
*/
@Service
@Slf4j
public class Producer {
public static final Destination DEFAULT_QUEUE = new ActiveMQQueue("delay.queue");
@Autowired
private JmsMessagingTemplate template;
/**
* 发送消息
*
* @param destination destination是发送到的队列
* @param message message是待发送的消息
*/
public void send(Destination destination, T message) {
template.convertAndSend(destination, message);
}
/**
* 延时发送
*
* @param destination 发送的队列
* @param data 发送的消息
* @param time 延迟时间
*/
public void delaySend(Destination destination, T data, Long time) {
Connection connection = null;
Session session = null;
MessageProducer producer = null;
// 获取连接工厂
ConnectionFactory connectionFactory = template.getConnectionFactory();
try {
// 获取连接
connection = connectionFactory.createConnection();
connection.start();
// 获取session，true开启事务，false关闭事务
session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
// 创建一个消息队列
producer = session.createProducer(destination);
producer.setDeliveryMode(JmsProperties.DeliveryMode.PERSISTENT.getValue());
ObjectMessage message = session.createObjectMessage(data);
//设置延迟时间
message.setLongProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY, time);
// 发送消息
producer.send(message);
log.info("发送消息：{}", data);
session.commit();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (producer != null) {
producer.close();
}
if (session != null) {
session.close();
}
if (connection != null) {
connection.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}消费者
package com.example.demoactivemq.producer;
import com.example.demoactivemq.domain.MessageModel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Component;
/**
* 消费者
*/
@Component
@Slf4j
public class Consumer {
@JmsListener(destination = "delay.queue")
public void receiveQueue(MessageModel message) {
log.info("收到消息:{}", message);
}
}application.yml
spring:
activemq:
broker-url: tcp://localhost:61616
测试类
package com.example.demoactivemq;
import com.example.demoactivemq.domain.MessageModel;
import com.example.demoactivemq.producer.Producer;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@SpringBootTest(classes = DemoActivemqApplication.class)
@RunWith(SpringRunner.class)
class DemoActivemqApplicationTests {
/**
* 消息生产者
*/
@Autowired
private Producer producer;
/**
* 及时消息队列测试
*/
@Test
public void test() {
MessageModel messageModel = MessageModel.builder()
.message("测试消息")
.titile("消息000")
.build();
// 发送消息
producer.send(Producer.DEFAULT_QUEUE, messageModel);
}
/**
* 延时消息队列测试
*/
@Test
public void test2() {
for (int i = 0; i < 5; i++) {
MessageModel messageModel = MessageModel.builder()
.titile("延迟10秒执行")
.message("测试消息" + i)
.build();
// 发送延迟消息
producer.delaySend(Producer.DEFAULT_QUEUE, messageModel, 10000L);
}
try {
// 休眠100秒，等等消息执行
Thread.currentThread().sleep(100000L);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}执行结果
2019-11-12 22:18:52.939 INFO 17263 --- [ main] c.e.demoactivemq.producer.Producer : 发送消息：MessageModel(titile=延迟10秒执行, message=测试消息0)
2019-11-12 22:18:52.953 INFO 17263 --- [ main] c.e.demoactivemq.producer.Producer : 发送消息：MessageModel(titile=延迟10秒执行, message=测试消息1)
2019-11-12 22:18:52.958 INFO 17263 --- [ main] c.e.demoactivemq.producer.Producer : 发送消息：MessageModel(titile=延迟10秒执行, message=测试消息2)
2019-11-12 22:18:52.964 INFO 17263 --- [ main] c.e.demoactivemq.producer.Producer : 发送消息：MessageModel(titile=延迟10秒执行, message=测试消息3)
2019-11-12 22:18:52.970 INFO 17263 --- [ main] c.e.demoactivemq.producer.Producer : 发送消息：MessageModel(titile=延迟10秒执行, message=测试消息4)
2019-11-12 22:19:03.012 INFO 17263 --- [enerContainer-1] c.e.demoactivemq.producer.Consumer : 收到消息:MessageModel(titile=延迟10秒执行, message=测试消息0)
2019-11-12 22:19:03.017 INFO 17263 --- [enerContainer-1] c.e.demoactivemq.producer.Consumer : 收到消息:MessageModel(titile=延迟10秒执行, message=测试消息1)
2019-11-12 22:19:03.019 INFO 17263 --- [enerContainer-1] c.e.demoactivemq.producer.Consumer : 收到消息:MessageModel(titile=延迟10秒执行, message=测试消息2)
2019-11-12 22:19:03.020 INFO 17263 --- [enerContainer-1] c.e.demoactivemq.producer.Consumer : 收到消息:MessageModel(titile=延迟10秒执行, message=测试消息3)
2019-11-12 22:19:03.021 INFO 17263 --- [enerContainer-1] c.e.demoactivemq.producer.Consumer : 收到消息:MessageModel(titile=延迟10秒执行, message=测试消息4)
上述就是小编为大家分享的怎么在Spring Boot中利用ActiveMQ实现一个延迟消息了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注创新互联行业资讯频道。
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