优化

liusuyi

2026-01-15 b8973cd2a300c1dddb5fd208a07c71ac1ca9b39d

 ard-work/src/main/java/com/ard/work/service/impl/ArdDroneInfoServiceImpl.java

@@ -340,15 +340,15 @@
                ArdDroneInfo local = localMap.get(boxSn);
                boolean dbOnline = local != null && local.getOnLine() == 1;
                boolean needUpdate = (dbOnline != currentOnline);

                // 只要远端设备在线，就刷新Redis缓存（无论状态是否变化），保证缓存一定存在
                if (currentOnline) {
                    redisCache.setCacheObject(redisKey, remote);
                } else {
                    // 远端离线，删除Redis缓存
                    redisCache.deleteObject(redisKey);
                }
                // 如果状态变化才更新
                if (needUpdate){
                    // 更新 Redis
                    if (currentOnline) {
                        redisCache.setCacheObject(redisKey, remote);
                    } else {
                        redisCache.deleteObject(redisKey);
                    }
                    // 发布事件
                    eventPublisher.publishEvent(new DeviceStatusEvent(boxSn, currentOnline));
                    // 更新数据库
@@ -362,32 +362,5 @@
    }


    /**
     * 更新 localBoxInfo 的字段，如果有变化返回 true，否则返回 false
     */
    private boolean updateChangedAttributes(ArdDroneInfo localBoxInfo, BoxInfoReceiver remoteArdDrone) {
        boolean changed = false;

        if (!Objects.equals(localBoxInfo.getBoxName(), remoteArdDrone.getBoxName())) {
            localBoxInfo.setBoxName(remoteArdDrone.getBoxName());
            changed = true;
        }
        if (!Objects.equals(localBoxInfo.getBoxVersion(), remoteArdDrone.getBoxVersion())) {
            localBoxInfo.setBoxVersion(remoteArdDrone.getBoxVersion());
            changed = true;
        }
        if (!Objects.equals(localBoxInfo.getLastTaskId(), remoteArdDrone.getLastTaskId())) {
            localBoxInfo.setLastTaskId(remoteArdDrone.getLastTaskId());
            changed = true;
        }
        if (!Objects.equals(localBoxInfo.getOnLine(), remoteArdDrone.getOnLine())) {
            localBoxInfo.setOnLine(remoteArdDrone.getOnLine());
            changed = true;
        }

        // TODO: 更新其他属性时，如果变化也设置 changed = true

        return changed;
    }

}