宜宾长宁网站建设网络营销的主要手段和策略
ActiveMQ消息中间件的发布订阅模式 主题 topic
topic生产端案例(配合topic消费端测试)：SpringBoot+ActiveMQ Topic 生产端
ActiveMQ版本：apache-activemq-5.16.5
案例源码:SpringBoot+ActiveMQ-发布订阅Demo
SpringBoot集成ActiveMQ Topic消费端的pom.xml
<?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><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.0.5.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>boot.example.topic.customer</groupId><artifactId>boot-example-topic-demo-customer-2.0.5</artifactId><version>0.0.1-SNAPSHOT</version><name>boot-example-topic-demo-customer-2.0.5</name><description>Demo project for Spring Boot</description><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version></properties><dependencies><dependency><groupId>boot.example.demo.entity</groupId><artifactId>boot-example-demo-entity-2.0.5</artifactId><version>0.0.1-SNAPSHOT</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- activeMQ依赖组件 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-activemq</artifactId><exclusions><exclusion><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId></exclusion></exclusions></dependency><!-- spring.activemq.pool.enabled=true --><dependency><groupId>org.apache.activemq</groupId><artifactId>activemq-pool</artifactId><version>5.16.5</version></dependency><dependency><groupId>io.springfox</groupId><artifactId>springfox-swagger2</artifactId><version>2.9.2</version></dependency><dependency><groupId>com.github.xiaoymin</groupId><artifactId>swagger-bootstrap-ui</artifactId><version>1.9.2</version></dependency></dependencies><build><plugins><!-- 打包成一个可执行jar --><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins></build></project>application.properties
server.port=8044spring.activemq.broker-url=tcp://127.0.0.1:61616
spring.activemq.user=admin
spring.activemq.password=admin
spring.activemq.in-memory=false
spring.activemq.packages.trust-all=true
spring.activemq.pool.enabled=true
spring.activemq.pool.max-connections=6
spring.activemq.pool.idle-timeout=30000
spring.activemq.pool.expire-timeout=0
spring.jms.pub-sub-domain=true
topic消费端启动类AppTopicCustomer
package boot.example.topic.customer;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.jms.annotation.EnableJms;/**** 蚂蚁舞*/
@SpringBootApplication
@EnableJms
public class AppTopicCustomer {public static void main( String[] args ) {SpringApplication.run(AppTopicCustomer.class, args);System.out.println( "Hello World!" );}
}ActiveMqConfig
package boot.example.topic.customer.config;import javax.jms.ConnectionFactory;import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jms.annotation.EnableJms;
import org.springframework.jms.config.DefaultJmsListenerContainerFactory;
import org.springframework.jms.config.JmsListenerContainerFactory;@EnableJms
@Configuration
public class ActiveMqConfig {// topic模式的ListenerContainer@Beanpublic JmsListenerContainerFactory<?> jmsListenerContainerTopic(ConnectionFactory activeMQConnectionFactory) {DefaultJmsListenerContainerFactory bean = new DefaultJmsListenerContainerFactory();// pubSubDomain 表示开启发布订阅域bean.setPubSubDomain(true);bean.setConnectionFactory(activeMQConnectionFactory);return bean;}}ActiveMQConstant
package boot.example.topic.customer.config;import boot.example.queue.entity.BootProvider;import java.util.LinkedList;
import java.util.List;/*** 消息消费者（订阅方式）消费该消息* 消费生产者将发布到topic中，同时有多个消息消费者（订阅）消费该消息* 这种方式和点对点方式不同，发布到topic的消息会被所有订阅者消费** 当生产者发布消息，不管是否有消费者，都不会保存消息* 蚂蚁舞*/
public class ActiveMQConstant {// 默认Topicpublic static final String defaultTopic = "myw_topic";// 指定Topicpublic static final String stringTopic = "stringTopic";// 指定list<String>public static final String stringListTopic = "stringListTopic";// 指定Objectpublic static final String objTopic = "objTopic";// 指定List<Object>public static final String objListTopic = "objListTopic";// 简单存储默认topic消费端收到的消息public static List<String> defaultList = new LinkedList<>();public static List<String> stringTopicList = new LinkedList<>();public static List<List<String>> stringListTopicList = new LinkedList<>();public static List<BootProvider> objTopicList = new LinkedList<>();public static List<List<BootProvider>> objListTopicList = new LinkedList<>();}
DefaultTopicConsumerService
package boot.example.topic.customer.service;import boot.example.topic.customer.config.ActiveMQConstant;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Service;import javax.jms.JMSException;
import javax.jms.TextMessage;/*** 蚂蚁舞*/
@Service
public class DefaultTopicConsumerService {@JmsListener(destination = ActiveMQConstant.defaultTopic)public void message(TextMessage textMessage) throws JMSException {if(textMessage == null || textMessage.getText() == null){return;}System.out.println("默认消费者:"+textMessage.getText());ActiveMQConstant.defaultList.add(textMessage.getText());}}ATopicConsumerService
package boot.example.topic.customer.service;import boot.example.queue.entity.BootProvider;
import boot.example.topic.customer.config.ActiveMQConstant;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Service;import javax.jms.ObjectMessage;
import java.util.List;/*** 蚂蚁舞*/
@Service
public class ATopicConsumerService {@JmsListener(destination = ActiveMQConstant.stringTopic, containerFactory = "jmsListenerContainerTopic")public void receiveStringTopic(String msg) {System.out.println("A-TopicConsumer接收到消息...." + msg);ActiveMQConstant.stringTopicList.add(msg);}@JmsListener(destination = ActiveMQConstant.stringListTopic, containerFactory = "jmsListenerContainerTopic")public void receiveStringListTopic(List<String> list) {System.out.println("A-TopicConsumer接收到集合主题消息...." + list);ActiveMQConstant.stringListTopicList.add(list);}@JmsListener(destination = ActiveMQConstant.objTopic, containerFactory = "jmsListenerContainerTopic")public void receiveObjTopic(ObjectMessage objectMessage) throws Exception {if(objectMessage == null || objectMessage.getObject() == null){return;}System.out.println("A-TopicConsumer接收到对象主题消息...." + objectMessage.getObject());BootProvider bootProvider = (BootProvider) objectMessage.getObject();ActiveMQConstant.objTopicList.add(bootProvider);}@SuppressWarnings("unchecked")@JmsListener(destination = ActiveMQConstant.objListTopic, containerFactory = "jmsListenerContainerTopic")public void receiveObjListTopic(ObjectMessage objectMessage) throws Exception {if(objectMessage == null || objectMessage.getObject() == null){return;}System.out.println("A-TopicConsumer接收到的对象集合主题消息..." + objectMessage.getObject());List<BootProvider> list = (List<BootProvider>) objectMessage.getObject();ActiveMQConstant.objListTopicList.add(list);}}
BTopicConsumerService
package boot.example.topic.customer.service;import boot.example.queue.entity.BootProvider;
import boot.example.topic.customer.config.ActiveMQConstant;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Service;import javax.jms.ObjectMessage;
import java.util.List;@Service
public class BTopicConsumerService {@JmsListener(destination = ActiveMQConstant.stringTopic, containerFactory = "jmsListenerContainerTopic")public void receiveStringTopic(String msg) {System.out.println("B-TopicConsumer接收到消息...." + msg);ActiveMQConstant.stringTopicList.add(msg);}@JmsListener(destination = ActiveMQConstant.stringListTopic, containerFactory = "jmsListenerContainerTopic")public void receiveStringListTopic(List<String> list) {System.out.println("B-TopicConsumer接收到集合主题消息...." + list);ActiveMQConstant.stringListTopicList.add(list);}@JmsListener(destination = ActiveMQConstant.objTopic, containerFactory = "jmsListenerContainerTopic")public void receiveObjTopic(ObjectMessage objectMessage) throws Exception {if(objectMessage == null || objectMessage.getObject() == null){return;}System.out.println("B-TopicConsumer接收到对象主题消息...." + objectMessage.getObject());BootProvider bootProvider = (BootProvider) objectMessage.getObject();ActiveMQConstant.objTopicList.add(bootProvider);}@SuppressWarnings("unchecked")@JmsListener(destination = ActiveMQConstant.objListTopic, containerFactory = "jmsListenerContainerTopic")public void receiveObjListTopic(ObjectMessage objectMessage) throws Exception {if(objectMessage == null || objectMessage.getObject() == null){return;}System.out.println("B-TopicConsumer接收到的对象集合主题消息..." + objectMessage.getObject());List<BootProvider> list = (List<BootProvider>) objectMessage.getObject();ActiveMQConstant.objListTopicList.add(list);}}
BootDefaultTopicCustomerController
package boot.example.topic.customer.controller;import boot.example.topic.customer.config.ActiveMQConstant;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.List;/*** 蚂蚁舞*/
@RestController
@RequestMapping(value="/customer")
public class BootDefaultTopicCustomerController {@GetMapping(value="/myw_topic")public List<String> myw_topic() {return ActiveMQConstant.defaultList;}}
BootTopicCustomerController
package boot.example.topic.customer.controller;import boot.example.queue.entity.BootProvider;
import boot.example.topic.customer.config.ActiveMQConstant;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.List;/*** 蚂蚁舞*/
@RestController
@RequestMapping(value="/customer")
public class BootTopicCustomerController {@GetMapping(value="/stringTopicList")public List<String> stringTopicList() {return ActiveMQConstant.stringTopicList;}@GetMapping(value="/stringListTopicList")public List<List<String>> stringListTopicList() {return ActiveMQConstant.stringListTopicList;}@GetMapping(value="/objTopicList")public List<BootProvider> objTopicList() {return ActiveMQConstant.objTopicList;}@GetMapping(value="/objListTopicList")public List<List<BootProvider>> objListTopicList() {return ActiveMQConstant.objListTopicList;}}
SwaggerConfig UI测试
package boot.example.topic.customer.config;import com.google.common.base.Predicates;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;/*** 蚂蚁舞*/
@Configuration
@EnableSwagger2
public class SwaggerConfig {@Beanpublic Docket createRestApi(){return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo()).select().apis(RequestHandlerSelectors.any()).paths(PathSelectors.any()).paths(Predicates.not(PathSelectors.regex("/error.*"))).paths(PathSelectors.regex("/.*")).build().apiInfo(apiInfo());}private ApiInfo apiInfo(){return new ApiInfoBuilder().title("demo").description("demo接口").version("0.01").build();}/*** http://localhost:XXXX/doc.html 地址和端口根据实际项目查看*/}
测试使用的对象BootProvider
package boot.example.queue.entity;import java.io.Serializable;
import java.util.Date;/*** 用在activeMq消息，必须保证package一致，不然序列化后反序列化要出错* 蚂蚁舞*/
public class BootProvider implements Serializable {private int id;private String name;private Date date = new Date();public BootProvider() {}public BootProvider(int id, String name) {this.id = id;this.name = name;}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Date getDate() {return date;}public void setDate(Date date) {this.date = date;}@Overridepublic String toString() {return "BootProvider{" +"id=" + id +", name='" + name + '\'' +", date=" + date +'}';}
}代码结构
├─boot-example-demo-entity-2.0.5
│ │ pom.xml
│ │
│ ├─src
│ │ └─main
│ │ └─java
│ │ └─boot
│ │ └─example
│ │ └─queue
│ │ └─entity
│ │ BootProvider.java
├─boot-example-topic-demo-customer-2.0.5
│ │ pom.xml
│ ├─src
│ │ ├─main
│ │ │ ├─java
│ │ │ │ └─boot
│ │ │ │ └─example
│ │ │ │ └─topic
│ │ │ │ └─customer
│ │ │ │ │ AppTopicCustomer.java
│ │ │ │ │
│ │ │ │ ├─config
│ │ │ │ │ ActiveMqConfig.java
│ │ │ │ │ ActiveMQConstant.java
│ │ │ │ │ SwaggerConfig.java
│ │ │ │ │
│ │ │ │ ├─controller
│ │ │ │ │ BootDefaultTopicCustomerController.java
│ │ │ │ │ BootTopicCustomerController.java
│ │ │ │ │
│ │ │ │ └─service
│ │ │ │ ATopicConsumerService.java
│ │ │ │ BTopicConsumerService.java
│ │ │ │ DefaultTopicConsumerService.java
│ │ │ │
│ │ │ └─resources
│ │ │ application.properties
│ │ │
│ │ └─test
│ │ └─java
│ │ └─boot
│ │ └─example
│ │ └─topic
│ │ └─customer
│ │ AppTest.java启动后访问（ActiveMQ必须提前启动）
http://localhost:8044/doc.html与topic发送端联合交互测试topic订阅 (不是持久化)
发送端发送
订阅端查看临时数据(不是持久化的，因此接收数据需要先启动的)
再看控制台a和b都收到了数据
持久化订阅
持久化订阅在springboot activemq里需要配置
我这里新建了一个发布端 两个订阅端 topic_client1 topic_client2 topic = myw_topic_p
// topic模式的ListenerContainer@Beanpublic JmsListenerContainerFactory<?> jmsListenerContainerTopic(ConnectionFactory activeMQConnectionFactory) {DefaultJmsListenerContainerFactory bean = new DefaultJmsListenerContainerFactory();// pubSubDomain 表示开启发布订阅域bean.setPubSubDomain(true);// 开启持久订阅。即下线后重新上线依然能继续接收Topic消息bean.setSubscriptionDurable(true);// 持久订阅的Client端标识(多个端持久订阅需要保证唯一性，否则可能会出现问题)bean.setClientId("topic_client1");bean.setConnectionFactory(activeMQConnectionFactory);return bean;} // topic模式的ListenerContainer@Beanpublic JmsListenerContainerFactory<?> jmsListenerContainerTopic(ConnectionFactory activeMQConnectionFactory) {DefaultJmsListenerContainerFactory bean = new DefaultJmsListenerContainerFactory();// pubSubDomain 表示开启发布订阅域bean.setPubSubDomain(true);// 开启持久订阅。即下线后重新上线依然能继续接收Topic消息bean.setSubscriptionDurable(true);// 持久订阅的Client端标识(多个端持久订阅需要保证唯一性，否则可能会出现问题)bean.setClientId("topic_client2");bean.setConnectionFactory(activeMQConnectionFactory);return bean;} public static final String defaultTopic = "myw_topic_p";代码目录
把三个应用分别启动我用了swagger UI因此可以在浏览器里访问到
发送端
http://localhost:8045/doc.html订阅端1
http://localhost:8046/doc.html订阅端2
http://localhost:8047/doc.html在这里发送端发送消息，订阅端1和订阅端2都可以收到消息的
发送消息三条
蚂蚁舞1
蚂蚁舞2
蚂蚁舞3
订阅端1和订阅端2的控制台输出，表示都收到了三条消息，那么发布订阅模式是可以的
持久化测试一，订阅端1关停，此时订阅端2能正常收到发送端的消息
蚂蚁舞4
蚂蚁舞5
蚂蚁舞6订阅端2的控制台
在ActiveMQ上
此时启动订阅端1，测试持久化,可以看到之前发送的(蚂蚁舞4 蚂蚁舞5 蚂蚁舞6都收到了)
持久化测试二，订阅端1和订阅端2都关停，先发送三条消息到ActiveMQ上,然后把ActiveMQ给关停后启动(重启，验证ActiveMQ有没有保存消息)
蚂蚁舞7
蚂蚁舞8
蚂蚁舞9关停重启
启动订阅端1和启动订阅端2
订阅端1
订阅端2
可以看到订阅端1和订阅端2都收到了蚂蚁舞7 8 9三条消息