springboot 线程池实现redis订阅异步处理消息
时间: 2024-09-23 11:03:18 浏览: 116
Spring Boot 中可以利用 Spring 的 `ThreadPoolTaskExecutor` 或者第三方库如 `Spring Cloud Task` 实现 Redis 订阅异步处理消息。以下是基本步骤:
1. 配置 ThreadPoolTaskExecutor 或创建一个自定义线程池:
```java
@Bean
public ThreadPoolTaskExecutor redisThreadPoolExecutor() {
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(5); // 核心线程数
executor.setMaxPoolSize(10); // 最大线程数
executor.setQueueCapacity(100); // 队列容量
executor.setThreadNamePrefix("redis-async-task-");
executor.initialize();
return executor;
}
```
2. 创建一个 Runnable 接口实现类,用于处理 Redis 的消息:
```java
public class RedisMessageHandler implements Runnable {
private final String channel;
private final RedisTemplate<String, Object> redisTemplate;
public RedisMessageHandler(String channel, RedisTemplate<String, Object> redisTemplate) {
this.channel = channel;
this.redisTemplate = redisTemplate;
}
@Override
public void run() {
List<String> messages = redisTemplate.opsForSubscription().subscribe(channel);
for (String message : messages) {
handleMessage(message);
}
}
// 处理接收到的消息逻辑
private void handleMessage(String message) {
// ... your handling logic here
}
}
```
3. 异步监听 Redis 更新并发送到线程池执行:
```java
@EventListener
public void onRedisMessage(RedisMessageEvent event) {
String channel = event.getChannel(); // 获取频道名
redisThreadPoolExecutor().execute(new RedisMessageHandler(channel, context.getBean(RedisTemplate.class)));
}
```
4.
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