包含组件内容

• RedisQueue：消息队列监听标识
• RedisQueueInit：Redis队列监听器
• RedisQueueListener：Redis消息队列监听实现
• RedisQueueService：Redis消息队列服务工具

代码实现

RedisQueue

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Redis消息队列注解
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface RedisQueue {
    /**
     * 队列名
     */
    String value();
}

RedisQueueInit

import jakarta.annotation.Resource;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import lombok.extern.slf4j.Slf4j;
import org.jetbrains.annotations.NotNull;
import org.redisson.api.RBlockingQueue;
import org.redisson.api.RedissonClient;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 初始化Redis队列监听器
 *
 * @author 十八
 * @createTime 2024-09-09 22:49
 */
@Slf4j
@Component
public class RedisQueueInit implements ApplicationContextAware {

    final AtomicBoolean shutdownRequested = new AtomicBoolean(false);
    @Resource
    private RedissonClient redissonClient;
    private ExecutorService executorService;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        Map<String, RedisQueueListener> map = applicationContext.getBeansOfType(RedisQueueListener.class);
        executorService = createThreadPool("redis-queue");
        for (Map.Entry<String, RedisQueueListener> entry : map.entrySet()) {
            RedisQueue redisQueue = entry.getValue().getClass().getAnnotation(RedisQueue.class);
            if (redisQueue != null) {
                String queueName = redisQueue.value();
                executorService.submit(() -> listenQueue(queueName, entry.getValue()));
            }
        }
    }

    private ExecutorService createThreadPool(String namePrefix) {
        return Executors.newFixedThreadPool(
                Runtime.getRuntime().availableProcessors(),
                new NamedThreadFactory(namePrefix)
        );
    }

    private void listenQueue(String queueName, RedisQueueListener redisQueueListener) {
        RBlockingQueue<?> blockingQueue = redissonClient.getBlockingQueue(queueName);
        log.info("Redis队列监听: {}", queueName);
        while (true) {
            if (shutdownRequested.get() || redissonClient.isShutdown()) {
                log.info("Redisson已关闭，停止监听队列: {}", queueName);
                break;
            }

            try {
                Object message = blockingQueue.take();
                redisQueueListener.invoke(message);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                log.error("监听队列线程被中断", e);
                break;
            } catch (Exception e) {
                log.error("监听队列线程错误", e);
            }
        }
    }

    public void shutdown() {
        if (executorService != null) {
            executorService.shutdown();
            try {
                if (!executorService.awaitTermination(60, TimeUnit.SECONDS)) {
                    executorService.shutdownNow();
                }
            } catch (InterruptedException ex) {
                executorService.shutdownNow();
                Thread.currentThread().interrupt();
            }
        }
        shutdownRequested.set(true);
        if (redissonClient != null && !redissonClient.isShuttingDown()) {
            redissonClient.shutdown();
        }
    }

    private static class NamedThreadFactory implements ThreadFactory {
        private final AtomicInteger threadNumber = new AtomicInteger(1);
        private final String namePrefix;

        public NamedThreadFactory(String prefix) {
            this.namePrefix = prefix;
        }

        @Override
        public Thread newThread(@NotNull Runnable r) {
            return new Thread(r, namePrefix + "-" + threadNumber.getAndIncrement());
        }
    }
}

RedisQueueListener

/**
 * Redis消息队列监听实现
 *
 * @author 十八
 * @createTime 2024-09-09 22:51
 */
public interface RedisQueueListener<T> {

    /**
     * 队列消费方法
     *
     * @param content 消息内容
     */
    void invoke(T content);
}

RedisQueueService

import jakarta.annotation.Resource;
import java.util.concurrent.TimeUnit;
import org.redisson.api.RBlockingQueue;
import org.redisson.api.RDelayedQueue;
import org.redisson.api.RedissonClient;
import org.springframework.stereotype.Component;

/**
 * Redis 消息队列服务
 *
 * @author 十八
 * @createTime 2024-09-09 22:52
 */
@Component
public class RedisQueueService {

    @Resource
    private RedissonClient redissonClient;

    /**
     * 添加队列
     *
     * @param queueName 队列名称
     * @param content   消息
     * @param <T>       泛型
     */
    public <T> void send(String queueName, T content) {
        RBlockingQueue<T> blockingQueue = redissonClient.getBlockingQueue(queueName);
        blockingQueue.add(content);
    }

    /**
     * 添加延迟队列
     *
     * @param queueName 队列名称
     * @param content   消息类型
     * @param delay     延迟时间
     * @param timeUnit  单位
     * @param <T>       泛型
     */
    public <T> void sendDelay(String queueName, T content, long delay, TimeUnit timeUnit) {
        RBlockingQueue<T> blockingFairQueue = redissonClient.getBlockingQueue(queueName);
        RDelayedQueue<T> delayedQueue = redissonClient.getDelayedQueue(blockingFairQueue);
        delayedQueue.offer(content, delay, timeUnit);
    }

    /**
     * 发送延迟队列消息(单位毫秒)
     *
     * @param queueName 队列名称
     * @param content   消息类型
     * @param delay     延迟时间
     * @param <T>       泛型
     */
    public <T> void sendDelay(String queueName, T content, long delay) {
        RBlockingQueue<T> blockingFairQueue = redissonClient.getBlockingQueue(queueName);
        RDelayedQueue<T> delayedQueue = redissonClient.getDelayedQueue(blockingFairQueue);
        delayedQueue.offer(content, delay, TimeUnit.MILLISECONDS);
    }
}

测试

创建监听对象

import cn.yiyanc.infrastructure.redis.annotation.RedisQueue;
import cn.yiyanc.infrastructure.redis.queue.RedisQueueListener;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

/**
 * @author 十八
 * @createTime 2024-09-10 00:09
 */
@Slf4j
@Component
@RedisQueue("test")
public class TestListener implements RedisQueueListener<String> {
    @Override
    public void invoke(String content) {
        log.info("队列消息接收 >>> {}", content);
    }
}

测试用例

import jakarta.annotation.Resource;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author 十八
 * @createTime 2024-09-10 00:11
 */
@RestController
@RequestMapping("queue")
public class QueueController {

    @Resource
    private RedisQueueService redisQueueService;

    @PostMapping("send")
    public void send(String message) {
        redisQueueService.send("test", message);
        redisQueueService.sendDelay("test", "delay messaege -> " + message, 1000);
    }

}

测试结果