| package com.genersoft.iot.vmp.storager.impl; | 
|   | 
| import java.text.SimpleDateFormat; | 
| import java.util.*; | 
|   | 
| import com.genersoft.iot.vmp.gb28181.bean.*; | 
| import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager; | 
| import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem; | 
| import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem; | 
| import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem; | 
| import com.genersoft.iot.vmp.storager.IRedisCatchStorage; | 
| import com.genersoft.iot.vmp.storager.dao.*; | 
| import com.genersoft.iot.vmp.vmanager.gb28181.platform.bean.ChannelReduce; | 
| import com.github.pagehelper.PageHelper; | 
| import com.github.pagehelper.PageInfo; | 
| import org.slf4j.Logger; | 
| import org.slf4j.LoggerFactory; | 
| import org.springframework.beans.factory.annotation.Autowired; | 
| import org.springframework.jdbc.datasource.DataSourceTransactionManager; | 
| import org.springframework.stereotype.Component; | 
|   | 
| import com.genersoft.iot.vmp.storager.IVideoManagerStorager; | 
| import org.springframework.transaction.TransactionDefinition; | 
| import org.springframework.transaction.TransactionStatus; | 
| import org.springframework.transaction.annotation.Transactional; | 
|   | 
| /**     | 
|  * @description:视频设备数据存储-jdbc实现 | 
|  * @author: swwheihei | 
|  * @date:   2020年5月6日 下午2:31:42 | 
|  */ | 
| @SuppressWarnings("rawtypes") | 
| @Component | 
| public class VideoManagerStoragerImpl implements IVideoManagerStorager { | 
|   | 
|     private Logger logger = LoggerFactory.getLogger(VideoManagerStoragerImpl.class); | 
|   | 
|     @Autowired | 
|     DataSourceTransactionManager dataSourceTransactionManager; | 
|   | 
|     @Autowired | 
|     TransactionDefinition transactionDefinition; | 
|   | 
|     @Autowired | 
|     private DeviceMapper deviceMapper; | 
|   | 
|     @Autowired | 
|     private DeviceChannelMapper deviceChannelMapper; | 
|   | 
|     @Autowired | 
|     private DeviceMobilePositionMapper deviceMobilePositionMapper; | 
|   | 
|     @Autowired | 
|     private ParentPlatformMapper platformMapper; | 
|   | 
|     @Autowired | 
|     private IRedisCatchStorage redisCatchStorage; | 
|   | 
|     @Autowired | 
|     private PlatformChannelMapper platformChannelMapper; | 
|   | 
|     @Autowired | 
|     private StreamProxyMapper streamProxyMapper; | 
|   | 
|     @Autowired | 
|     private StreamPushMapper streamPushMapper; | 
|   | 
|     @Autowired | 
|     private GbStreamMapper gbStreamMapper; | 
|   | 
|     @Autowired | 
|     private VideoStreamSessionManager streamSession; | 
|   | 
|     @Autowired | 
|     private MediaServerMapper mediaServerMapper; | 
|   | 
|     private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); | 
|   | 
|   | 
|     /** | 
|      * 根据设备ID判断设备是否存在 | 
|      * | 
|      * @param deviceId 设备ID | 
|      * @return true:存在  false:不存在 | 
|      */ | 
|     @Override | 
|     public boolean exists(String deviceId) { | 
|         return deviceMapper.getDeviceByDeviceId(deviceId) != null; | 
|     } | 
|   | 
|     /** | 
|      * 视频设备创建 | 
|      * | 
|      * @param device 设备对象 | 
|      * @return true:创建成功  false:创建失败 | 
|      */ | 
|     @Override | 
|     public synchronized boolean create(Device device) { | 
|         return deviceMapper.add(device) > 0; | 
|     } | 
|   | 
|   | 
|   | 
|     /** | 
|      * 视频设备更新 | 
|      * | 
|      * @param device 设备对象 | 
|      * @return true:更新成功  false:更新失败 | 
|      */ | 
|     @Override | 
|     public synchronized boolean updateDevice(Device device) { | 
|         String now = this.format.format(System.currentTimeMillis()); | 
|         device.setUpdateTime(now); | 
|         Device deviceByDeviceId = deviceMapper.getDeviceByDeviceId(device.getDeviceId()); | 
|         if (deviceByDeviceId == null) { | 
|             device.setCreateTime(now); | 
|             return deviceMapper.add(device) > 0; | 
|         }else { | 
|             return deviceMapper.update(device) > 0; | 
|         } | 
|   | 
|     } | 
|   | 
|     @Override | 
|     public synchronized void updateChannel(String deviceId, DeviceChannel channel) { | 
|         String channelId = channel.getChannelId(); | 
|         channel.setDeviceId(deviceId); | 
|         channel.setStreamId(streamSession.getStreamId(deviceId, channel.getChannelId())); | 
|         String now = this.format.format(System.currentTimeMillis()); | 
|         channel.setUpdateTime(now); | 
|         DeviceChannel deviceChannel = deviceChannelMapper.queryChannel(deviceId, channelId); | 
|         if (deviceChannel == null) { | 
|             channel.setCreateTime(now); | 
|             deviceChannelMapper.add(channel); | 
|         }else { | 
|             deviceChannelMapper.update(channel); | 
|         } | 
|     } | 
|   | 
|     @Override | 
|     public void startPlay(String deviceId, String channelId, String streamId) { | 
|         deviceChannelMapper.startPlay(deviceId, channelId, streamId); | 
|     } | 
|   | 
|     @Override | 
|     public void stopPlay(String deviceId, String channelId) { | 
|         deviceChannelMapper.stopPlay(deviceId, channelId); | 
|     } | 
|   | 
|     /** | 
|      * 获取设备 | 
|      * | 
|      * @param deviceId 设备ID | 
|      * @return Device 设备对象 | 
|      */ | 
|     @Override | 
|     public Device queryVideoDevice(String deviceId) { | 
|         return deviceMapper.getDeviceByDeviceId(deviceId); | 
|     } | 
|   | 
|     @Override | 
|     public PageInfo queryChannelsByDeviceId(String deviceId, String query, Boolean hasSubChannel, Boolean online, int page, int count) { | 
|         // 获取到所有正在播放的流 | 
|         PageHelper.startPage(page, count); | 
|         List<DeviceChannel> all = deviceChannelMapper.queryChannelsByDeviceId(deviceId, null, query, hasSubChannel, online); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     @Override | 
|     public List<DeviceChannel> queryChannelsByDeviceId(String deviceId) { | 
|         return deviceChannelMapper.queryChannelsByDeviceId(deviceId, null,null, null, null); | 
|     } | 
|   | 
|     @Override | 
|     public PageInfo<DeviceChannel> querySubChannels(String deviceId, String parentChannelId, String query, Boolean hasSubChannel, String online, int page, int count) { | 
|         PageHelper.startPage(page, count); | 
|         List<DeviceChannel> all = deviceChannelMapper.queryChannelsByDeviceId(deviceId, parentChannelId, null, null, null); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     @Override | 
|     public DeviceChannel queryChannel(String deviceId, String channelId) { | 
|         return deviceChannelMapper.queryChannel(deviceId, channelId); | 
|     } | 
|   | 
|   | 
|     /** | 
|      * 获取多个设备 | 
|      * | 
|      * @param page 当前页数 | 
|      * @param count 每页数量 | 
|      * @return PageInfo<Device> 分页设备对象数组 | 
|      */ | 
|     @Override | 
|     public PageInfo<Device> queryVideoDeviceList(int page, int count) { | 
|         PageHelper.startPage(page, count); | 
|         List<Device> all = deviceMapper.getDevices(); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     /** | 
|      * 获取多个设备 | 
|      * | 
|      * @return List<Device> 设备对象数组 | 
|      */ | 
|     @Override | 
|     public List<Device> queryVideoDeviceList() { | 
|   | 
|         List<Device> deviceList =  deviceMapper.getDevices(); | 
|         return deviceList; | 
|     } | 
|   | 
|     /** | 
|      * 删除设备 | 
|      * | 
|      * @param deviceId 设备ID | 
|      * @return true:删除成功  false:删除失败 | 
|      */ | 
|     @Override | 
|     public boolean delete(String deviceId) { | 
|         TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition); | 
|         boolean result = false; | 
|         try { | 
|             if (platformChannelMapper.delChannelForDeviceId(deviceId) <0  // 删除与国标平台的关联 | 
|                     || deviceChannelMapper.cleanChannelsByDeviceId(deviceId) < 0 // 删除他的通道 | 
|                     || deviceMapper.del(deviceId) < 0 // 移除设备信息 | 
|             ) { | 
|                 //事务回滚 | 
|                 dataSourceTransactionManager.rollback(transactionStatus); | 
|             } | 
|             result = true; | 
|             dataSourceTransactionManager.commit(transactionStatus);     //手动提交 | 
|         }catch (Exception e) { | 
|             dataSourceTransactionManager.rollback(transactionStatus); | 
|         } | 
|         return result; | 
|     } | 
|   | 
|     /** | 
|      * 更新设备在线 | 
|      * | 
|      * @param deviceId 设备ID | 
|      * @return true:更新成功  false:更新失败 | 
|      */ | 
|     @Override | 
|     public synchronized boolean online(String deviceId) { | 
|         Device device = deviceMapper.getDeviceByDeviceId(deviceId); | 
|         if (device == null) { | 
|             return false; | 
|         } | 
|         device.setOnline(1); | 
|         logger.info("更新设备在线: " + deviceId); | 
|         return deviceMapper.update(device) > 0; | 
|     } | 
|   | 
|     /** | 
|      * 更新设备离线 | 
|      * | 
|      * @param deviceId 设备ID | 
|      * @return true:更新成功  false:更新失败 | 
|      */ | 
|     @Override | 
|     public synchronized boolean outline(String deviceId) { | 
|         logger.info("更新设备离线: " + deviceId); | 
|         Device device = deviceMapper.getDeviceByDeviceId(deviceId); | 
|         if (device == null) return false; | 
|         device.setOnline(0); | 
|         return deviceMapper.update(device) > 0; | 
|     } | 
|   | 
|     /** | 
|      * 更新所有设备离线 | 
|      * | 
|      * @return true:更新成功  false:更新失败 | 
|      */ | 
|     @Override | 
|     public synchronized boolean outlineForAll() { | 
|         logger.info("更新所有设备离线"); | 
|         int result = deviceMapper.outlineForAll(); | 
|         return result > 0; | 
|     } | 
|   | 
|     /** | 
|      * 清空通道 | 
|      * @param deviceId | 
|      */ | 
|     @Override | 
|     public void cleanChannelsForDevice(String deviceId) { | 
|         deviceChannelMapper.cleanChannelsByDeviceId(deviceId); | 
|     } | 
|   | 
|     /** | 
|      * 添加Mobile Position设备移动位置 | 
|      * @param mobilePosition | 
|      */ | 
|     @Override | 
|     public synchronized boolean insertMobilePosition(MobilePosition mobilePosition) { | 
|         return deviceMobilePositionMapper.insertNewPosition(mobilePosition) > 0; | 
|     } | 
|   | 
|     /** | 
|      * 查询移动位置轨迹 | 
|      * @param deviceId | 
|      * @param startTime | 
|      * @param endTime | 
|      */ | 
|     @Override | 
|     public synchronized List<MobilePosition> queryMobilePositions(String deviceId, String startTime, String endTime) { | 
|         return deviceMobilePositionMapper.queryPositionByDeviceIdAndTime(deviceId, startTime, endTime); | 
|     } | 
|   | 
|     @Override | 
|     public boolean addParentPlatform(ParentPlatform parentPlatform) { | 
|         int result = platformMapper.addParentPlatform(parentPlatform); | 
|         return result > 0; | 
|     } | 
|   | 
|     @Override | 
|     public boolean updateParentPlatform(ParentPlatform parentPlatform) { | 
|         int result = 0; | 
|         ParentPlatformCatch parentPlatformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatform.getServerGBId()); // .getDeviceGBId()); | 
|         if (parentPlatform.getId() == null ) { | 
|             result = platformMapper.addParentPlatform(parentPlatform); | 
|             if (parentPlatformCatch == null) { | 
|                 parentPlatformCatch = new ParentPlatformCatch(); | 
|                 parentPlatformCatch.setParentPlatform(parentPlatform); | 
|                 parentPlatformCatch.setId(parentPlatform.getServerGBId()); | 
|             } | 
|         }else { | 
|             if (parentPlatformCatch == null) { // serverGBId 已变化 | 
|                 ParentPlatform parentPlatById = platformMapper.getParentPlatById(parentPlatform.getId()); | 
|                 // 使用旧的查出缓存ID | 
|                 parentPlatformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatById.getServerGBId()); | 
|                 parentPlatformCatch.setId(parentPlatform.getServerGBId()); | 
|                 redisCatchStorage.delPlatformCatchInfo(parentPlatById.getServerGBId()); | 
|             } | 
|             result = platformMapper.updateParentPlatform(parentPlatform); | 
|         } | 
|         // 更新缓存 | 
|         parentPlatformCatch.setParentPlatform(parentPlatform); | 
|         redisCatchStorage.updatePlatformCatchInfo(parentPlatformCatch); | 
|         return result > 0; | 
|     } | 
|   | 
|     @Transactional | 
|     @Override | 
|     public boolean deleteParentPlatform(ParentPlatform parentPlatform) { | 
|         int result = platformMapper.delParentPlatform(parentPlatform); | 
|         // 删除关联的通道 | 
|         platformChannelMapper.cleanChannelForGB(parentPlatform.getServerGBId()); | 
|         return result > 0; | 
|     } | 
|   | 
|     @Override | 
|     public PageInfo<ParentPlatform> queryParentPlatformList(int page, int count) { | 
|         PageHelper.startPage(page, count); | 
|         List<ParentPlatform> all = platformMapper.getParentPlatformList(); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     @Override | 
|     public ParentPlatform queryParentPlatByServerGBId(String platformGbId) { | 
|         return platformMapper.getParentPlatByServerGBId(platformGbId); | 
|     } | 
|   | 
|     @Override | 
|     public List<ParentPlatform> queryEnableParentPlatformList(boolean enable) { | 
|         return platformMapper.getEnableParentPlatformList(enable); | 
|     } | 
|   | 
|     @Override | 
|     public void outlineForAllParentPlatform() { | 
|         platformMapper.outlineForAllParentPlatform(); | 
|     } | 
|   | 
|   | 
|     @Override | 
|     public PageInfo<ChannelReduce> queryAllChannelList(int page, int count, String query, Boolean online, | 
|                                                        Boolean channelType, String platformId, Boolean inPlatform) { | 
|         PageHelper.startPage(page, count); | 
|         List<ChannelReduce> all = deviceChannelMapper.queryChannelListInAll(query, online, channelType, platformId, inPlatform); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     @Override | 
|     public List<ChannelReduce> queryChannelListInParentPlatform(String platformId) { | 
|   | 
|         return deviceChannelMapper.queryChannelListInAll(null, null, null, platformId, true); | 
|     } | 
|   | 
|     @Override | 
|     public int updateChannelForGB(String platformId, List<ChannelReduce> channelReduces) { | 
|   | 
|         Map<String, ChannelReduce> deviceAndChannels = new HashMap<>(); | 
|         for (ChannelReduce channelReduce : channelReduces) { | 
|             deviceAndChannels.put(channelReduce.getDeviceId() + "_" + channelReduce.getChannelId(), channelReduce); | 
|         } | 
|         List<String> deviceAndChannelList = new ArrayList<>(deviceAndChannels.keySet()); | 
|         // 查询当前已经存在的 | 
|         List<String> relatedPlatformchannels = platformChannelMapper.findChannelRelatedPlatform(platformId, deviceAndChannelList); | 
|         if (relatedPlatformchannels != null) { | 
|             deviceAndChannelList.removeAll(relatedPlatformchannels); | 
|         } | 
|         for (String relatedPlatformchannel : relatedPlatformchannels) { | 
|             deviceAndChannels.remove(relatedPlatformchannel); | 
|         } | 
|         List<ChannelReduce> channelReducesToAdd = new ArrayList<>(deviceAndChannels.values()); | 
|         // 对剩下的数据进行存储 | 
|         int result = 0; | 
|         if (channelReducesToAdd.size() > 0) { | 
|             result = platformChannelMapper.addChannels(platformId, channelReducesToAdd); | 
|         } | 
|   | 
|         return result; | 
|     } | 
|   | 
|   | 
|     @Override | 
|     public int delChannelForGB(String platformId, List<ChannelReduce> channelReduces) { | 
|   | 
|         int result = platformChannelMapper.delChannelForGB(platformId, channelReduces); | 
|   | 
|         return result; | 
|     } | 
|   | 
|     @Override | 
|     public DeviceChannel queryChannelInParentPlatform(String platformId, String channelId) { | 
|         DeviceChannel channel = platformChannelMapper.queryChannelInParentPlatform(platformId, channelId); | 
|         return channel; | 
|     } | 
|   | 
|     @Override | 
|     public Device queryVideoDeviceByPlatformIdAndChannelId(String platformId, String channelId) { | 
|         Device device = platformChannelMapper.queryVideoDeviceByPlatformIdAndChannelId(platformId, channelId); | 
|         return device; | 
|     } | 
|   | 
|     /** | 
|      * 查询最新移动位置 | 
|      * @param deviceId | 
|      */ | 
|     @Override | 
|     public MobilePosition queryLatestPosition(String deviceId) { | 
|         return deviceMobilePositionMapper.queryLatestPositionByDevice(deviceId); | 
|     } | 
|   | 
|     /** | 
|      * 删除指定设备的所有移动位置 | 
|      * @param deviceId | 
|      */ | 
|     public int clearMobilePositionsByDeviceId(String deviceId) { | 
|         return deviceMobilePositionMapper.clearMobilePositionsByDeviceId(deviceId); | 
|     } | 
|   | 
|     /** | 
|      * 新增代理流 | 
|      * @param streamProxyItem | 
|      * @return | 
|      */ | 
|     @Override | 
|     public boolean addStreamProxy(StreamProxyItem streamProxyItem) { | 
|         TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition); | 
|         boolean result = false; | 
|         streamProxyItem.setStreamType("proxy"); | 
|         streamProxyItem.setStatus(true); | 
|         String now = this.format.format(System.currentTimeMillis()); | 
|         streamProxyItem.setCreateTime(now); | 
|         try { | 
|             if (gbStreamMapper.add(streamProxyItem)<0 || streamProxyMapper.add(streamProxyItem) < 0) { | 
|                 //事务回滚 | 
|                 dataSourceTransactionManager.rollback(transactionStatus); | 
|             } | 
|             result = true; | 
|             dataSourceTransactionManager.commit(transactionStatus);     //手动提交 | 
|         }catch (Exception e) { | 
|             logger.error("向数据库添加流代理失败:", e); | 
|             dataSourceTransactionManager.rollback(transactionStatus); | 
|         } | 
|         return result; | 
|     } | 
|   | 
|     /** | 
|      * 更新代理流 | 
|      * @param streamProxyItem | 
|      * @return | 
|      */ | 
|     @Override | 
|     public boolean updateStreamProxy(StreamProxyItem streamProxyItem) { | 
|         TransactionStatus transactionStatus = dataSourceTransactionManager.getTransaction(transactionDefinition); | 
|         boolean result = false; | 
|         streamProxyItem.setStreamType("proxy"); | 
|         try { | 
|             if (gbStreamMapper.update(streamProxyItem)<0 || streamProxyMapper.update(streamProxyItem) < 0) { | 
|                 //事务回滚 | 
|                 dataSourceTransactionManager.rollback(transactionStatus); | 
|             } | 
|             dataSourceTransactionManager.commit(transactionStatus);     //手动提交 | 
|             result = true; | 
|         }catch (Exception e) { | 
|             e.printStackTrace(); | 
|             dataSourceTransactionManager.rollback(transactionStatus); | 
|         } | 
|         return result; | 
|     } | 
|   | 
|     /** | 
|      * 移除代理流 | 
|      * @param app | 
|      * @param stream | 
|      * @return | 
|      */ | 
|     @Override | 
|     public int deleteStreamProxy(String app, String stream) { | 
|         return streamProxyMapper.del(app, stream); | 
|     } | 
|   | 
|     /** | 
|      * 根据是否启用获取代理流列表 | 
|      * @param enable | 
|      * @return | 
|      */ | 
|     @Override | 
|     public List<StreamProxyItem> getStreamProxyListForEnable(boolean enable) { | 
|         return streamProxyMapper.selectForEnable(enable); | 
|     } | 
|   | 
|     /** | 
|      * 分页查询代理流列表 | 
|      * @param page | 
|      * @param count | 
|      * @return | 
|      */ | 
|     @Override | 
|     public PageInfo<StreamProxyItem> queryStreamProxyList(Integer page, Integer count) { | 
|         PageHelper.startPage(page, count); | 
|         List<StreamProxyItem> all = streamProxyMapper.selectAll(); | 
|         return new PageInfo<>(all); | 
|     } | 
|   | 
|     /** | 
|      * 根据国标ID获取平台关联的直播流 | 
|      * @param platformId | 
|      * @param gbId | 
|      * @return | 
|      */ | 
|     @Override | 
|     public GbStream queryStreamInParentPlatform(String platformId, String gbId) { | 
|         return gbStreamMapper.queryStreamInPlatform(platformId, gbId); | 
|     } | 
|   | 
|     /** | 
|      * 获取平台关联的直播流 | 
|      * @param platformId | 
|      * @return | 
|      */ | 
|     @Override | 
|     public List<GbStream> queryGbStreamListInPlatform(String platformId) { | 
|         return gbStreamMapper.queryGbStreamListInPlatform(platformId); | 
|     } | 
|   | 
|     /** | 
|      * 按照是app和stream获取代理流 | 
|      * @param app | 
|      * @param stream | 
|      * @return | 
|      */ | 
|     @Override | 
|     public StreamProxyItem queryStreamProxy(String app, String stream){ | 
|         return streamProxyMapper.selectOne(app, stream); | 
|     } | 
|   | 
|     @Override | 
|     public void updateMediaList(List<StreamPushItem> streamPushItems) { | 
|         if (streamPushItems == null || streamPushItems.size() == 0) return; | 
|         logger.info("updateMediaList:  " + streamPushItems.size()); | 
|         streamPushMapper.addAll(streamPushItems); | 
|         // TODO 待优化 | 
|         for (int i = 0; i < streamPushItems.size(); i++) { | 
|             gbStreamMapper.setStatus(streamPushItems.get(i).getApp(), streamPushItems.get(i).getStream(), true); | 
|         } | 
|     } | 
|   | 
|     @Override | 
|     public void updateMedia(StreamPushItem streamPushItem) { | 
|         streamPushMapper.del(streamPushItem.getApp(), streamPushItem.getStream()); | 
|         streamPushMapper.add(streamPushItem); | 
|         gbStreamMapper.setStatus(streamPushItem.getApp(), streamPushItem.getStream(), true); | 
|     } | 
|   | 
|     @Override | 
|     public void removeMedia(String app, String stream) { | 
|         streamPushMapper.del(app, stream); | 
|     } | 
|   | 
|     @Override | 
|     public void clearMediaList() { | 
|         streamPushMapper.clear(); | 
|     } | 
|   | 
|     @Override | 
|     public void mediaOutline(String app, String streamId) { | 
|         gbStreamMapper.setStatus(app, streamId, false); | 
|     } | 
|   | 
|     @Override | 
|     public void updateParentPlatformStatus(String platformGbID, boolean online) { | 
|         platformMapper.updateParentPlatformStatus(platformGbID, online); | 
|     } | 
|   | 
|     @Override | 
|     public void updateMediaServer(MediaServerItem mediaServerItem) { | 
|         String now = this.format.format(System.currentTimeMillis()); | 
|         mediaServerItem.setUpdateTime(now); | 
|         if (mediaServerMapper.queryOne(mediaServerItem.getId()) != null) { | 
|             mediaServerMapper.update(mediaServerItem); | 
|         }else { | 
|             mediaServerItem.setCreateTime(now); | 
|             mediaServerMapper.add(mediaServerItem); | 
|         } | 
|     } | 
|   | 
|     @Override | 
|     public List<StreamProxyItem> getStreamProxyListForEnableInMediaServer(String id, boolean enable) { | 
|         return streamProxyMapper.selectForEnableInMediaServer(id, enable); | 
|     } | 
|   | 
|     @Override | 
|     public Device queryVideoDeviceByChannelId(String channelId) { | 
|         Device result = null; | 
|         List<DeviceChannel> channelList = deviceChannelMapper.queryChannelByChannelId(channelId); | 
|         if (channelList.size() == 1) { | 
|             result = deviceMapper.getDeviceByDeviceId(channelList.get(0).getDeviceId()); | 
|         } | 
|         return result; | 
|     } | 
| } |