SpringCloud Stream整合RocketMQ

其他 2021-03-28 20:15:15 阅读次数: 0

前言

SpringCloud Stream整合的时候还是有一些坑的，请保持和我使用的版本一致！前期准备好RocketMQ环境！搭建教程往期文章RocketMQ搭建！好人做到第吧，本文demo已在gitee托管

搭建项目

1.创建SpringBoot工程
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2.添加pom依赖

 <groupId>com.tao</groupId>
    <artifactId>rocket-stream</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>rocket-stream</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-boot.version>2.2.5.RELEASE</spring-boot.version>
        <spring-cloud-alibaba.version>2.2.1.RELEASE</spring-cloud-alibaba.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${
    
    spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${
    
    spring-cloud-alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-stream-rocketmq</artifactId>
        </dependency>

    </dependencies>

注意版本！

3.编写application.properties文件

spring.application.name=spring-cloud-stream
#客户端连接RocketMq的地址
spring.cloud.stream.rocketmq.binder.name-server=192.168.0.177:9876;192.168.0.188:9876

#生产者
spring.cloud.stream.bindings.output.destination=test-topic
spring.cloud.stream.bindings.output.content-type=text/plain
spring.cloud.stream.bindings.output.group=test-group
#消费者
spring.cloud.stream.bindings.input.destination=test-topic
spring.cloud.stream.bindings.input.content-type=text/plain
spring.cloud.stream.bindings.input.group=test-group

3.编写生产者

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;

@Service
public class SenderService {
    
    
	@Autowired
    private Source source;
	
	//使用默认source发送消息
	public void send(String msg) throws Exception{
    
    
        boolean flag = source.output().send(MessageBuilder.withPayload(msg).build());
        System.out.println("使用默认source消息发送==>"+flag );
    }
}

4.编写消费者

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.stereotype.Service;

@Service
public class ReceiveService {
    
    

	@Autowired
    private Sink sink;
	
	@StreamListener(value = Sink.INPUT)
    public void receiveMessage(String message){
    
    
        System.out.println("接收的消息input==>"+message);
    }
}

5.编写controller

@RestController
public class SendMessageController
{
    
    
	@Autowired
    private SenderService senderService;
    @GetMapping(value = "/input")
    public String input(String msg) throws Exception {
    
    
        senderService.send(msg);
        return "ok";
    }
    
}

6.启动类添加@EnableBinding

@EnableBinding(value = {
    
    Source.class, Sink.class})

7.启动服务测试
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自定义消息发送

在这里插入图片描述

1.修改application.properties文件
新增如下配置

#自定义消息1
spring.cloud.stream.bindings.output1.destination=test-topic1
spring.cloud.stream.bindings.output1.content-type=text/plain
spring.cloud.stream.bindings.output1.group=test-group1
spring.cloud.stream.bindings.input1.destination=test-topic1
spring.cloud.stream.bindings.input1.content-type=text/plain
spring.cloud.stream.bindings.input1.group=test-group1

#自定义消息2
spring.cloud.stream.bindings.output2.destination=test-topic2
spring.cloud.stream.bindings.output2.content-type=text/plain
spring.cloud.stream.bindings.output2.group=test-group2
spring.cloud.stream.bindings.input2.destination=test-topic2
spring.cloud.stream.bindings.input2.content-type=text/plain
spring.cloud.stream.bindings.input2.group=test-group2

2.创建自定义Source

public interface MySource {
    
    

 	String OUTPUT = "output1";

    @Output(MySource.OUTPUT)
    MessageChannel output1();

    String OUTPUT2 = "output2";

    @Output(MySource.OUTPUT2)
    MessageChannel output2();

}

3.创建自定义Sink

public interface MySink {
    
    

    String INPUT = "input1";

    @Input(MySink.INPUT)
    SubscribableChannel input1();

    String INPUT2 = "input2";

    @Input(MySink.INPUT2)
    SubscribableChannel input2();

}

4.消息生产者

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;

@Service
public class SenderService {
    
    

    
	@Autowired
    private MySource mySource;

	public void send1(String msg) throws Exception{
    
    
        boolean flag = mySource.output1().send(MessageBuilder.withPayload(msg).build());
        System.out.println("消息发送output1==>"+flag );
    }

    public void send2(String msg) throws Exception{
    
    
        boolean flag = mySource.output2().send(MessageBuilder.withPayload(msg).build());
        System.out.println("消息发送output2==>"+flag );
    }

}

5.消息消费者监听

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.stereotype.Service;

@Service
public class ReceiveService {
    
    

	@StreamListener(value = MySink.INPUT)
    public void receiveMessage1(String message){
    
    
        System.out.println("接收的消息input1==>"+message);
    }

    @StreamListener(value = MySink.INPUT2)
    public void receiveMessage2(String message){
    
    
        System.out.println("接收的消息input2==>"+message);
    }
}

6.编写controller调用自定义消息业务

	@Autowired
    private SenderService senderService;
	
	@GetMapping(value = "/input1")
    public String input1(String msg) throws Exception {
    
    
        senderService.send1(msg);
        return "ok";
    }

    @GetMapping(value = "/input2")
    public String input2(String msg) throws Exception {
    
    
        senderService.send2(msg);
        return "ok";
    }

7.主启动类

@EnableBinding(value = {
    
    Source.class, Sink.class, MySource.class, MySink.class})

8.重启服务
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在这里插入图片描述
搞定！

事务消息

1.修改application.properties文件

spring.cloud.stream.bindings.outputTX.destination=TransactionTopic
spring.cloud.stream.bindings.outputTX.content-type=text/plain
spring.cloud.stream.rocketmq.bindings.outputTX.producer.group=myTXProducerGroup
#默认事务是关闭的
spring.cloud.stream.rocketmq.bindings.outputTX.producer.transactional=true

spring.cloud.stream.bindings.inputTX.destination=TransactionTopic
spring.cloud.stream.bindings.inputTX.content-type=text/plain
spring.cloud.stream.bindings.inputTX.group=transaction-group
spring.cloud.stream.rocketmq.bindings.inputTX.consumer.broadcasting=false

2.创建自定义Source

public interface MySource {
    
    

 	String OUTPUTTX = "outputTX";

    @Output(MySource.OUTPUTTX)
    MessageChannel outputTX();

}

3.创建自定义Sink

public interface MySink {
    
    

    String INPUTTX = "inputTX";

    @Input(MySink.INPUTTX)
    SubscribableChannel inputTX();

}

4.事务监听

import org.apache.rocketmq.spring.annotation.RocketMQTransactionListener;
import org.apache.rocketmq.spring.core.RocketMQLocalTransactionListener;
import org.apache.rocketmq.spring.core.RocketMQLocalTransactionState;
import org.springframework.messaging.Message;

//myTXProducerGroup和properties中的配置producer.group的值一样
@RocketMQTransactionListener(txProducerGroup = "myTXProducerGroup",corePoolSize = 5,maximumPoolSize = 10)
public class TransactionListenerImpl implements RocketMQLocalTransactionListener {
    
    

    /**
    * @description: 执行本地事务，也是执行本地业务逻辑
    * @author TAO
    * @date 2021/1/19 18:35
    */
    @Override
    public RocketMQLocalTransactionState executeLocalTransaction(Message msg, Object arg) {
    
    
        Object num = msg.getHeaders().get("test");
        if ("1".equals(num)){
    
    
            System.out.println("executer:"+new String((byte[]) msg.getPayload())+"unknown");
            return RocketMQLocalTransactionState.UNKNOWN;
        }else if("2".equals(num)){
    
    
            System.out.println("executer:"+new String((byte[]) msg.getPayload())+"rollback");
            return RocketMQLocalTransactionState.ROLLBACK;
        }
        System.out.println("executer:"+new String((byte[]) msg.getPayload())+"commit");
        return RocketMQLocalTransactionState.COMMIT;
    }

    /**
   * @description: 回调检查
   * @author TAO
   * @date 2021/1/19 18:34
   */
    @Override
    public RocketMQLocalTransactionState checkLocalTransaction(Message msg) {
    
    

        System.out.println("check:"+new String((byte[]) msg.getPayload()));
        return RocketMQLocalTransactionState.COMMIT;
    }
}

5.消息生产者

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;
import org.springframework.util.MimeTypeUtils;

@Service
public class SenderService {
    
    

	@Autowired
    private MySource mySource;
	
	public <T> void sendTransactionalMsg(T msg,int num){
    
    
        MessageBuilder builder = MessageBuilder.withPayload(msg)
                .setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON)
                .setHeader("test", String.valueOf(num));
        Message message=builder.build();
        mySource.outputTX().send(message);
    }
}

6.消息消费者

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;

import org.springframework.stereotype.Service;

@Service
public class ReceiveService {
    
    

	@StreamListener(value = MySink.INPUTTX)
    public void receiveMessageTX(String message){
    
    
        System.out.println("接收的消息inputTX==>"+message);
    }


}

7.controller

	@Autowired
    private SenderService senderService;
	
	@GetMapping(value = "/inputTX")
    public String inputTX(String msg) throws Exception {
    
    
        senderService.sendTransactionalMsg(msg+"1",1);
        senderService.sendTransactionalMsg(msg+"2",2);
        senderService.sendTransactionalMsg(msg+"3",3);
        senderService.sendTransactionalMsg(msg+"4",4);
        return "ok";
    }

8.重启服务器测试
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发送标签消息

配置不用加了直接使用已存在的Source、Sink信道发送和接收消息！

1.消息生产者


import org.apache.rocketmq.common.message.MessageConst;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;
import org.springframework.util.MimeTypeUtils;

@Service
public class SenderService {
    
    

	@Autowired
    private MySource mySource;

	public <T> void sendObject(T msg,String tag) throws Exception{
    
    
        Message message=MessageBuilder.withPayload(msg)
                .setHeader(MessageConst.PROPERTY_TAGS, tag)
                .setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON)
                .build();

        boolean flag = mySource.output2().send(message);
        System.out.println("sendObject==>"+flag );
    }
}

消息接收者就不用写了，上面案例中已经写了receiveMessage2

2.编写controller

	@GetMapping(value = "/sendObject")
    public String sendObject() throws Exception {
    
    
        JSONObject ss = new JSONObject();
        ss.put("name", "TAO");
        senderService.sendObject(ss,"myTag");
        return "ok";
    }

3.重启服务器测试
在这里插入图片描述

这里消费者监听的时候也可以根据TAG标签选择性的接收消息！在application.properties文件中添加下面配置，即可添加消息消费者限制！

spring.cloud.stream.rocketmq.bindings.input2.consumer.tags=myTag

完整配置如下图！
在这里插入图片描述
那么此消费者信道就只能监听tag为myTag的消息

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