netty handler中注入service为空

最新推荐文章于 2024-10-04 13:18:03 发布

BlueSpringTT

最新推荐文章于 2024-10-04 13:18:03 发布

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文章标签： java

本文链接：https://blog.youkuaiyun.com/BlueSpringTT/article/details/136455161

版权

@Component
@Slf4j
public class NettyServerHandler extends ChannelInboundHandlerAdapter {

    @Autowired
    private IDpDeviceService dpDeviceService;

    public static NettyServerHandler nettyServerHandler;

    @PostConstruct
    public void init() {
        nettyServerHandler = this;
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        log.info("{}:发生了错误,此连接被关闭。此时连通数量:{}",ctx.channel().id(),ChannelMap.getChannelMap().size());
        ctx.close();
        DpDevice dpDevice = nettyServerHandler.dpDeviceService.selectDpDeviceById(1L);
        dpDevice.setState(0L);
        nettyServerHandler.dpDeviceService.updateDpDevice(dpDevice);

    }

}