增加 rabbitmq 消费模式

lab-04/lab-04-rabbitmq-consume-retry/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/consumer/Demo07DeadConsumer.java

@@ -0,0 +1,21 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.consumer;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.Demo07Message;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.amqp.rabbit.annotation.RabbitHandler;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.stereotype.Component;
+
+@Component
+@RabbitListener(queues = Demo07Message.DEAD_QUEUE)
+public class Demo07DeadConsumer {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @RabbitHandler
+    public void onMessage(Demo07Message message) {
+        logger.info("[onMessage][【死信队列】线程编号:{} 消息内容：{}]", Thread.currentThread().getId(), message);
+    }
+
+}

lab-04/lab-04-rabbitmq-consume-retry/src/main/resources/application.yaml

@@ -5,8 +5,16 @@ spring:
     port: 5672 # RabbitMQ 服务的端口
     username: guest # RabbitMQ 服务的账号
     password: guest # RabbitMQ 服务的密码
+    template:
+      # 对应 RabbitProperties.Retry 类
+      retry:
+        enabled: true # 开启发送机制
+        max-attempts: 3 # 最大重试次数。默认为 3 。
+        initial-interval: 1000 # 重试间隔，单位为毫秒。默认为 1000 。
     listener:
       simple:
+        # 对应 RabbitProperties.ListenerRetry 类
         retry:
-          enabled: true
-
+          enabled: true # 开启消费重试机制
+          max-attempts: 3 # 最大重试次数。默认为 3 。
+          initial-interval: 1000 # 重试间隔，单位为毫秒。默认为 1000 。

lab-04/lab-04-rabbitmq-demo-delay/pom.xml

@@ -0,0 +1,30 @@
+<?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">
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.1.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-04-rabbitmq-demo-dely</artifactId>
+
+    <dependencies>
+        <!-- 实现对 RabbitMQ 的自动化配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
+
+        <!-- 方便等会写单元测试 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

lab-04/lab-04-rabbitmq-demo-delay/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/Application.java

@@ -0,0 +1,13 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/config/RabbitConfig.java

@@ -0,0 +1,65 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.config;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.Demo08Message;
+import org.springframework.amqp.core.*;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class RabbitConfig {
+
+    /**
+     * Direct Exchange 示例的配置类
+     */
+    public static class DirectExchangeDemoConfiguration {
+
+        // 创建 Queue
+        @Bean
+        public Queue demo08Queue() {
+            return QueueBuilder.durable(Demo08Message.QUEUE) // durable: 是否持久化
+                    .exclusive() // exclusive: 是否排它
+                    .autoDelete() // autoDelete: 是否自动删除
+                    .ttl(10 * 1000) // 设置队列里的默认过期时间为 10 秒
+                    .deadLetterExchange(Demo08Message.EXCHANGE)
+                    .deadLetterRoutingKey(Demo08Message.DELAY_ROUTING_KEY)
+                    .build();
+        }
+
+        // 创建 Delay Queue
+        @Bean
+        public Queue demo08DelayQueue() {
+            return new Queue(Demo08Message.DELAY_QUEUE, // Queue 名字
+                    true, // durable: 是否持久化
+                    false, // exclusive: 是否排它
+                    false); // autoDelete: 是否自动删除
+        }
+
+        // 创建 Direct Exchange
+        @Bean
+        public DirectExchange demo08Exchange() {
+            return new DirectExchange(Demo08Message.EXCHANGE,
+                    true,  // durable: 是否持久化
+                    false);  // exclusive: 是否排它
+        }
+
+        // 创建 Binding
+        // Exchange：Demo08Message.EXCHANGE
+        // Routing key：Demo08Message.ROUTING_KEY
+        // Queue：Demo08Message.QUEUE
+        @Bean
+        public Binding demo08Binding() {
+            return BindingBuilder.bind(demo08Queue()).to(demo08Exchange()).with(Demo08Message.ROUTING_KEY);
+        }
+
+        // 创建 Delay Binding
+        // Exchange：Demo08Message.EXCHANGE
+        // Routing key：Demo08Message.DELAY_ROUTING_KEY
+        // Queue：Demo08Message.DELAY_QUEUE
+        @Bean
+        public Binding demo08DelayBinding() {
+            return BindingBuilder.bind(demo08DelayQueue()).to(demo08Exchange()).with(Demo08Message.DELAY_ROUTING_KEY);
+        }
+
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/consumer/Demo08Consumer.java

@@ -0,0 +1,21 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.consumer;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.Demo08Message;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.amqp.rabbit.annotation.RabbitHandler;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.stereotype.Component;
+
+@Component
+@RabbitListener(queues = Demo08Message.DELAY_QUEUE)
+public class Demo08Consumer {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @RabbitHandler
+    public void onMessage(Demo08Message message) {
+        logger.info("[onMessage][线程编号:{} 消息内容：{}]", Thread.currentThread().getId(), message);
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/message/Demo08Message.java

@@ -0,0 +1,36 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.message;
+
+import java.io.Serializable;
+
+public class Demo08Message implements Serializable {
+
+    public static final String QUEUE = "QUEUE_DEMO_08"; // 正常队列
+    public static final String DELAY_QUEUE = "DELAY_QUEUE_DEMO_08"; // 延迟队列（死信队列）
+
+    public static final String EXCHANGE = "EXCHANGE_DEMO_08";
+
+    public static final String ROUTING_KEY = "ROUTING_KEY_08"; // 正常路由键
+    public static final String DELAY_ROUTING_KEY = "DELAY_ROUTING_KEY_08"; // 延迟路由键（死信路由键）
+
+    /**
+     * 编号
+     */
+    private Integer id;
+
+    public Demo08Message setId(Integer id) {
+        this.id = id;
+        return this;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    @Override
+    public String toString() {
+        return "Demo08Message{" +
+                "id=" + id +
+                '}';
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/producer/Demo08Producer.java

@@ -0,0 +1,36 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.producer;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.Demo08Message;
+import org.springframework.amqp.AmqpException;
+import org.springframework.amqp.core.Message;
+import org.springframework.amqp.core.MessagePostProcessor;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Demo08Producer {
+
+    @Autowired
+    private RabbitTemplate rabbitTemplate;
+
+    public void syncSend(Integer id, Integer delay) {
+        // 创建 Demo07Message 消息
+        Demo08Message message = new Demo08Message();
+        message.setId(id);
+        // 同步发送消息
+        rabbitTemplate.convertAndSend(Demo08Message.EXCHANGE, Demo08Message.ROUTING_KEY, message, new MessagePostProcessor() {
+
+            @Override
+            public Message postProcessMessage(Message message) throws AmqpException {
+                // 设置消息的 TTL 过期时间
+                if (delay != null && delay > 0) {
+                    message.getMessageProperties().setExpiration(String.valueOf(delay)); // Spring-AMQP API 设计有问题，所以传入了 String = =
+                }
+                return message;
+            }
+
+        });
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/src/main/resources/application.yaml

@@ -0,0 +1,7 @@
+spring:
+  # RabbitMQ 配置项，对应 RabbitProperties 配置类
+  rabbitmq:
+    host: 127.0.0.1 # RabbitMQ 服务的地址
+    port: 5672 # RabbitMQ 服务的端口
+    username: guest # RabbitMQ 服务的账号
+    password: guest # RabbitMQ 服务的密码

lab-04/lab-04-rabbitmq-demo-delay/src/test/java/cn/iocoder/springboot/lab04/rabbitmqdemo/package-info.java

@@ -0,0 +1 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo;

lab-04/lab-04-rabbitmq-demo-delay/src/test/java/cn/iocoder/springboot/lab04/rabbitmqdemo/producer/Demo08ProducerTest.java

@@ -0,0 +1,44 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.producer;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.Application;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.concurrent.CountDownLatch;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class Demo08ProducerTest {
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Autowired
+    private Demo08Producer producer;
+
+    @Test
+    public void testSyncSend01() throws InterruptedException {
+        // 不设置消息的过期时间，使用队列默认的消息过期时间
+        this.testSyncSendDelay(null);
+    }
+
+    @Test
+    public void testSyncSend02() throws InterruptedException {
+        // 设置发送消息的过期时间为 5000 毫秒
+        this.testSyncSendDelay(5000);
+    }
+
+    private void testSyncSendDelay(Integer delay) throws InterruptedException {
+        int id = (int) (System.currentTimeMillis() / 1000);
+        producer.syncSend(id, delay);
+        logger.info("[testSyncSendDelay][发送编号：[{}] 发送成功]", id);
+
+        // 阻塞等待，保证消费
+        new CountDownLatch(1).await();
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-delay/target/classes/application.yaml

@@ -0,0 +1,7 @@
+spring:
+  # RabbitMQ 配置项，对应 RabbitProperties 配置类
+  rabbitmq:
+    host: 127.0.0.1 # RabbitMQ 服务的地址
+    port: 5672 # RabbitMQ 服务的端口
+    username: guest # RabbitMQ 服务的账号
+    password: guest # RabbitMQ 服务的密码

lab-04/lab-04-rabbitmq-demo-message-model/pom.xml

@@ -0,0 +1,30 @@
+<?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">
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.1.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>lab-04-rabbitmq-demo-message-consume</artifactId>
+
+    <dependencies>
+        <!-- 实现对 RabbitMQ 的自动化配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
+
+        <!-- 方便等会写单元测试 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

lab-04/lab-04-rabbitmq-demo-message-model/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/Application.java

@@ -0,0 +1,13 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

lab-04/lab-04-rabbitmq-demo-message-model/src/main/java/cn/iocoder/springboot/lab04/rabbitmqdemo/config/RabbitConfig.java

@@ -0,0 +1,42 @@
+package cn.iocoder.springboot.lab04.rabbitmqdemo.config;
+
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.BroadcastMessage;
+import cn.iocoder.springboot.lab04.rabbitmqdemo.message.ClusteringMessage;
+import org.springframework.amqp.core.TopicExchange;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class RabbitConfig {
+
+    /**
+     * 广播消费的示例的配置
+     */
+    public static class BroadcastingConfiguration {
+
+        // 创建 Topic Exchange
+        @Bean
+        public TopicExchange broadcastingExchange() {
+            return new TopicExchange(BroadcastMessage.EXCHANGE,
+                    true,  // durable: 是否持久化
+                    false);  // exclusive: 是否排它
+        }
+
+    }
+
+    /**
+     * 集群消费的示例的配置
+     */
+    public static class ClusteringConfiguration {
+
+        // 创建 Topic Exchange
+        @Bean
+        public TopicExchange clusteringExchange() {
+            return new TopicExchange(ClusteringMessage.EXCHANGE,
+                    true,  // durable: 是否持久化
+                    false);  // exclusive: 是否排它
+        }
+
+    }
+
+}