异步消费kafka消息任务

/**

• 异步消费kafka消息任务
  */
  @Slf4j
  @Component
  public class ConsumeKafkaMessageTask {

  /**

  • 消费kafka消息

  • @param message

  • @author albert.ding
    */
    @Async
    public void consume(String message) {

    long start = System.currentTimeMillis();
    boolean isSuccess = false;//本次消息处理结果
    int cmd = Cmd.UNKNOWN_CMD.getCmd();//默认为不支持的业务类型

    try {
    //解析消息,找cmd区分业务
    cmd = JsonPath.read(message, “$.cmd”);
    log.info("—>本次业务cmd=[{}]", cmd);

     //验证业务是否支持
     Cmd type = Cmd.getCmd(cmd);
     if(null == type){
     	throw new KmsException("不支持的业务" + cmd);
     }
     
     //找处理器
     BaseSenderService handler = (BaseSenderService) ApplicationContextUtil.getBean(type.getHandler());
     if(null == handler){
     	throw new KmsException("缺少相应的处理器" + type.getHandler());
     }
     
     //具体执行
     log.info("--->本次业务处理器=[{}]", handler.getClass().getSimpleName());
     handler.doBusiness(message);
     isSuccess = true;
    

    } catch (JsonPathException e) {
    log.info(“消息处理失败,报文中缺少必要字段cmd…{}”, Throwables.getStackTraceAsString(e));
    } catch (KmsException e) {
    log.info(“消息处理失败[{}],将丢弃…”, e.getMessage());
    } catch (Exception e) {
    log.error(“消息处理异常,将丢弃…{}”, Throwables.getStackTraceAsString(e));
    } finally {
    log.info(“消息处理[{}],耗时[{}],消息Id=[{}]…”, isSuccess? “成功” : “失败”, System.currentTimeMillis() - start, cmd);
    }
    }
    }