事件生产和监听
事件的生产者
import com.alibaba.fastjson.JSON;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
@Component
@Slf4j
public class Sender {
@Autowired
private ApplicationContext applicationContext;
/**
* 发布事件
* @param eventBoat 事件数据
* @Return 调用结果
*/
public boolean sendEvent(EventBoat eventBoat) {
boolean flag = false;
try {
applicationContext.publishEvent(eventBoat);
flag = true;
log.info("发送事件成功");
} catch (Exception e) {
log.error("发送事件失败,eventBoat={}", JSON.toJSONString(eventBoat));
}
return flag;
}
}
事件的监听者
@Component
@Slf4j
public class Listener {
/**
* 处理事件
* @param eventBoat
* @Return
*/
@EventListener
@Async
public void handleEvent(EventBoat eventBoat){
try {
String batchNo = eventBoat.getBatchNo();
log.info("事件接收成功:{}", batchNo);
//业务处理
...........
} catch (Exception e) {
log.error("处理执行错误>>> {}", e);
}
}
}
实体类
@Data
public class EventBoat extends ApplicationEvent {
/**
* 批次号
*/
private String batchNo;
public EventBoat(Object source, String batchNo) {
super(source);
this.batchNo = batchNo;
}
}