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@Service @Slf4j public class DeviceAlarmService {
@Autowired private DeviceAlarmMapper deviceAlarmMapper; @Autowired private RedisTemplate<String, Object> redisTemplate; @Autowired private KafkaTemplate<String, String> kafkaTemplate; @Autowired private AlarmPushService alarmPushService;
public void pushDeviceAlarmToQueue(DeviceAlarmMessage alarmMessage) { try { String topic = "device.alarm"; String key = alarmMessage.getDeviceId(); String value = JSON.toJSONString(alarmMessage); kafkaTemplate.send(topic, key, value); log.info("设备报警信息已发送到消息队列: deviceId={}, alarmId={}", alarmMessage.getDeviceId(), alarmMessage.getAlarmId()); } catch (Exception e) { log.error("推送设备报警信息到消息队列失败: deviceId={}, error={}", alarmMessage.getDeviceId(), e.getMessage(), e); } }
@KafkaListener(topics = "device.alarm", groupId = "device-alarm-group") public void consumeDeviceAlarm(String message) { try { DeviceAlarmMessage alarmMessage = JSON.parseObject(message, DeviceAlarmMessage.class); processAndPersistAlarm(alarmMessage); pushAlarmToManagementUsers(alarmMessage); log.info("设备报警信息处理完成: deviceId={}, alarmId={}", alarmMessage.getDeviceId(), alarmMessage.getAlarmId()); } catch (Exception e) { log.error("消费设备报警信息失败: error={}", e.getMessage(), e); } }
private void processAndPersistAlarm(DeviceAlarmMessage alarmMessage) { try { DeviceAlarmRecord alarmRecord = buildAlarmRecord(alarmMessage); deviceAlarmMapper.insert(alarmRecord); updateAlarmCache(alarmRecord); updateAlarmStatistics(alarmRecord); log.info("报警信息已持久化: deviceId={}, alarmId={}", alarmMessage.getDeviceId(), alarmMessage.getAlarmId()); } catch (Exception e) { log.error("报警信息处理失败: deviceId={}, error={}", alarmMessage.getDeviceId(), e.getMessage(), e); } }
private DeviceAlarmRecord buildAlarmRecord(DeviceAlarmMessage alarmMessage) { DeviceAlarmRecord record = new DeviceAlarmRecord(); record.setAlarmId(UUID.randomUUID().toString()); record.setDeviceId(alarmMessage.getDeviceId()); record.setAlarmType(alarmMessage.getAlarmType()); record.setAlarmLevel(alarmMessage.getAlarmLevel()); record.setAlarmMessage(alarmMessage.getAlarmMessage()); record.setAlarmData(alarmMessage.getAlarmData()); record.setStatus("UNHANDLED"); record.setCreateTime(new Date()); record.setTimestamp(alarmMessage.getTimestamp()); return record; }
private void updateAlarmCache(DeviceAlarmRecord alarmRecord) { String cacheKey = "device:alarm:" + alarmRecord.getDeviceId() + ":" + alarmRecord.getAlarmId(); DeviceAlarmInfo alarmInfo = convertToAlarmInfo(alarmRecord); redisTemplate.opsForValue().set(cacheKey, alarmInfo, 10, TimeUnit.MINUTES); String listCacheKey = "device:alarm:latest:" + alarmRecord.getDeviceId(); List<DeviceAlarmInfo> latestAlarms = getLatestAlarms(alarmRecord.getDeviceId()); latestAlarms.add(0, alarmInfo); if (latestAlarms.size() > 100) { latestAlarms = latestAlarms.subList(0, 100); } redisTemplate.opsForValue().set(listCacheKey, latestAlarms, 5, TimeUnit.MINUTES); }
private void updateAlarmStatistics(DeviceAlarmRecord alarmRecord) { String statsKey = "device:alarm:stats:" + alarmRecord.getDeviceId(); DeviceAlarmStats stats = (DeviceAlarmStats) redisTemplate.opsForValue().get(statsKey); if (stats == null) { stats = new DeviceAlarmStats(); stats.setDeviceId(alarmRecord.getDeviceId()); } stats.setTotalCount(stats.getTotalCount() + 1); if ("CRITICAL".equals(alarmRecord.getAlarmLevel())) { stats.setCriticalCount(stats.getCriticalCount() + 1); } else if ("WARNING".equals(alarmRecord.getAlarmLevel())) { stats.setWarningCount(stats.getWarningCount() + 1); } stats.setLastAlarmTime(new Date()); redisTemplate.opsForValue().set(statsKey, stats, 1, TimeUnit.HOURS); }
private void pushAlarmToManagementUsers(DeviceAlarmMessage alarmMessage) { try { List<String> userIds = getManagementUserIds(alarmMessage.getDeviceId()); AlarmPushMessage pushMessage = buildAlarmPushMessage(alarmMessage); for (String userId : userIds) { alarmPushService.pushAlarmToUser(userId, pushMessage); } log.info("报警信息已推送给管理用户: deviceId={}, userIds={}", alarmMessage.getDeviceId(), userIds); } catch (Exception e) { log.error("推送管理用户报警信息失败: deviceId={}, error={}", alarmMessage.getDeviceId(), e.getMessage(), e); } }
private List<String> getManagementUserIds(String deviceId) { String cacheKey = "device:management:users:" + deviceId; List<String> userIds = (List<String>) redisTemplate.opsForValue().get(cacheKey); if (userIds != null) { return userIds; } userIds = deviceAlarmMapper.selectManagementUserIds(deviceId); if (userIds != null && !userIds.isEmpty()) { redisTemplate.opsForValue().set(cacheKey, userIds, 30, TimeUnit.MINUTES); } return userIds != null ? userIds : new ArrayList<>(); }
private AlarmPushMessage buildAlarmPushMessage(DeviceAlarmMessage alarmMessage) { AlarmPushMessage pushMessage = new AlarmPushMessage(); pushMessage.setAlarmId(alarmMessage.getAlarmId()); pushMessage.setDeviceId(alarmMessage.getDeviceId()); pushMessage.setAlarmType(alarmMessage.getAlarmType()); pushMessage.setAlarmLevel(alarmMessage.getAlarmLevel()); pushMessage.setAlarmMessage(alarmMessage.getAlarmMessage()); pushMessage.setTimestamp(alarmMessage.getTimestamp()); return pushMessage; }
public DeviceAlarmInfo getDeviceAlarmInfo(String deviceId, String alarmId) { String cacheKey = "device:alarm:" + deviceId + ":" + alarmId; DeviceAlarmInfo alarmInfo = (DeviceAlarmInfo) redisTemplate.opsForValue().get(cacheKey); if (alarmInfo != null) { return alarmInfo; } DeviceAlarmRecord record = deviceAlarmMapper.selectByAlarmId(alarmId); if (record != null) { alarmInfo = convertToAlarmInfo(record); redisTemplate.opsForValue().set(cacheKey, alarmInfo, 10, TimeUnit.MINUTES); return alarmInfo; } return null; }
public PageResult<DeviceAlarmInfo> getDeviceAlarmList(DeviceAlarmQueryRequest request) { QueryWrapper<DeviceAlarmRecord> queryWrapper = new QueryWrapper<>(); queryWrapper.eq("device_id", request.getDeviceId()); if (StringUtils.isNotEmpty(request.getAlarmType())) { queryWrapper.eq("alarm_type", request.getAlarmType()); } if (StringUtils.isNotEmpty(request.getAlarmLevel())) { queryWrapper.eq("alarm_level", request.getAlarmLevel()); } if (StringUtils.isNotEmpty(request.getStatus())) { queryWrapper.eq("status", request.getStatus()); } queryWrapper.orderByDesc("create_time"); Page<DeviceAlarmRecord> page = new Page<>(request.getPageNum(), request.getPageSize()); Page<DeviceAlarmRecord> pageResult = deviceAlarmMapper.selectPage(page, queryWrapper); List<DeviceAlarmInfo> alarmInfoList = pageResult.getRecords().stream() .map(this::convertToAlarmInfo) .collect(Collectors.toList()); PageResult<DeviceAlarmInfo> result = new PageResult<>(); result.setList(alarmInfoList); result.setTotal(pageResult.getTotal()); result.setPageNum(request.getPageNum()); result.setPageSize(request.getPageSize()); return result; }
private List<DeviceAlarmInfo> getLatestAlarms(String deviceId) { String listCacheKey = "device:alarm:latest:" + deviceId; List<DeviceAlarmInfo> latestAlarms = (List<DeviceAlarmInfo>) redisTemplate.opsForValue().get(listCacheKey); if (latestAlarms == null) { latestAlarms = new ArrayList<>(); } return latestAlarms; }
private DeviceAlarmInfo convertToAlarmInfo(DeviceAlarmRecord record) { DeviceAlarmInfo info = new DeviceAlarmInfo(); info.setAlarmId(record.getAlarmId()); info.setDeviceId(record.getDeviceId()); info.setAlarmType(record.getAlarmType()); info.setAlarmLevel(record.getAlarmLevel()); info.setAlarmMessage(record.getAlarmMessage()); info.setAlarmData(record.getAlarmData()); info.setStatus(record.getStatus()); info.setTimestamp(record.getTimestamp()); info.setCreateTime(record.getCreateTime()); return info; } }
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