java
package com.jlstu.daijia.common.config.redisson;
import lombok.Data;
import org.redisson.Redisson;
import org.redisson.api.RedissonClient;
import org.redisson.config.Config;
import org.redisson.config.SingleServerConfig;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.StringUtils;
@Data
@Configuration
@ConfigurationProperties(prefix = "spring.data.redis")
public class RedissonConfig {
private String host;
private String password;
private String port;
private int timeout = 3000;
private static String ADDRESS_PREFIX = "redis://";
@Bean
public RedissonClient redissonSingle() {
Config config = new Config();
SingleServerConfig serverConfig = config.useSingleServer().setAddress(ADDRESS_PREFIX + this.host + ":" + port).setTimeout(this.timeout);
if (StringUtils.hasText(this.password)) {
serverConfig.setPassword(this.password);
}
return Redisson.create(config);
}
}
生产者
java
package com.jlstu.daijia.order.controller;
import org.redisson.api.RBlockingQueue;
import org.redisson.api.RDelayedQueue;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.concurrent.TimeUnit;
@RestController
@RequestMapping("/order/monitor")
@SuppressWarnings({"unchecked", "rawtypes"})
public class OrderMonitorController {
@Autowired
private RedissonClient redissonClient;
@GetMapping("/test")
public void test() {
//1 创建队列
RBlockingQueue<Object> blockingQueue = redissonClient.getBlockingQueue("queue_cancel");
//2 把创建队列放到延迟队列里面
RDelayedQueue<Object> delayedQueue = redissonClient.getDelayedQueue(blockingQueue);
//3 发送消息到延迟队列里面
OrderInfo orderInfo = new OrderInfo();
orderInfo.setOrderNo("20240816001");
orderInfo.setRemark("这是一条订单数据");
delayedQueue.offer(orderInfo, 1, TimeUnit.MINUTES);
}
}
消费者
java
package com.jlstu.daijia.order.handle;
import com.jlstu.daijia.order.service.OrderInfoService;
import jakarta.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RBlockingQueue;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
//监听延迟队列
@Component
@Slf4j
public class RedisDelayHandle {
@Autowired
private RedissonClient redissonClient;
@Autowired
private OrderInfoService orderInfoService;
@PostConstruct
public void listener() {
new Thread(()->{
while(true) {
//获取延迟队列里面阻塞队列
RBlockingQueue<OrderInfo> blockingQueue = redissonClient.getBlockingQueue("queue_cancel");
redissonClient.getDelayedQueue(blockingQueue);
//从队列获取消息
try {
OrderInfo orderInfo = blockingQueue.take();
log.info("=== orderInfo === {}", orderInfo );
// //取消订单
// if(StringUtils.hasText(orderId)) {
// //调用方法取消订单
// orderInfoService.orderCancel(Long.parseLong(orderId));
// }
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}).start();
}
}