| | |
| | | //获取所有在线设备 |
| | | List<Device> devices = deviceMapper.selectList(queryWrapper); |
| | | for (Device device : devices) { |
| | | Map<String, Object> data = getDataFromRedis(device.getMac()); |
| | | Map<String, Object> data = (Map<String, Object>) redisTemplate.opsForValue().get(RedisConstants.DEVICE_DATA + device.getMac());; |
| | | device.setState(Constants.DEVICE_STATE_OFFLINE); |
| | | if (data != null && data.containsKey("DataTime")) { |
| | | long time = Long.parseLong(data.get("DataTime").toString()); |
| | | Date time = DateUtils.getDate((String) data.get("DataTime"), DateUtils.yyyyMMddHHmmss_EN); |
| | | //超过两分钟无数据就离线 |
| | | if (DateUtils.getDateOfMin(new Date(time), 2).getTime() < new Date().getTime()) { |
| | | if (DateUtils.getDateOfMin(time, 2).getTime() < new Date().getTime()) { |
| | | updateDeviceState(device); |
| | | } |
| | | } else { |
| | |
| | | UpdateWrapper<Device> updateWrapper = new UpdateWrapper<>(); |
| | | updateWrapper.eq("id", device.getId()).set("state", device.getState()); |
| | | deviceMapper.update(null, updateWrapper); |
| | | } |
| | | |
| | | private Map<String, Object> getDataFromRedis(String mac) { |
| | | return (Map<String, Object>) redisTemplate.opsForValue().get(RedisConstants.DEVICE_DATA + mac); |
| | | } |
| | | } |