修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

 src/main/java/com/genersoft/iot/vmp/storager/impl/VideoManagerStorageImpl.java

@@ -129,6 +129,7 @@

      List<DeviceChannel> updateChannels = new ArrayList<>();
      List<DeviceChannel> addChannels = new ArrayList<>();
      List<DeviceChannel> deleteChannels = new ArrayList<>();
      StringBuilder stringBuilder = new StringBuilder();
      Map<String, Integer> subContMap = new HashMap<>();

@@ -159,6 +160,7 @@
            deviceChannel.setUpdateTime(DateUtil.getNow());
            addChannels.add(deviceChannel);
         }
         allChannelMap.remove(deviceChannel.getChannelId());
         channels.add(deviceChannel);
         if (!ObjectUtils.isEmpty(deviceChannel.getParentId())) {
            if (subContMap.get(deviceChannel.getParentId()) == null) {
@@ -169,7 +171,8 @@
            }
         }
      }
      if (channels.size() > 0) {
      deleteChannels.addAll(allChannelMap.values());
      if (!channels.isEmpty()) {
         for (DeviceChannel channel : channels) {
            if (subContMap.get(channel.getChannelId()) != null){
               Integer count = subContMap.get(channel.getChannelId());
@@ -190,20 +193,8 @@
      }
      try {
         int limitCount = 50;
         int cleanChannelsResult = 0;
         if (channels.size() > limitCount) {
            for (int i = 0; i < channels.size(); i += limitCount) {
               int toIndex = i + limitCount;
               if (i + limitCount > channels.size()) {
                  toIndex = channels.size();
               }
               cleanChannelsResult += this.deviceChannelMapper.cleanChannelsNotInList(deviceId, channels.subList(i, toIndex));
            }
         } else {
            cleanChannelsResult = this.deviceChannelMapper.cleanChannelsNotInList(deviceId, channels);
         }
         boolean result = cleanChannelsResult < 0;
         if (!result && addChannels.size() > 0) {
         boolean result = false;
         if (!result && !addChannels.isEmpty()) {
            if (addChannels.size() > limitCount) {
               for (int i = 0; i < addChannels.size(); i += limitCount) {
                  int toIndex = i + limitCount;
@@ -216,7 +207,7 @@
               result = result || deviceChannelMapper.batchAdd(addChannels) < 0;
            }
         }
         if (!result && updateChannels.size() > 0) {
         if (!result && !updateChannels.isEmpty()) {
            if (updateChannels.size() > limitCount) {
               for (int i = 0; i < updateChannels.size(); i += limitCount) {
                  int toIndex = i + limitCount;
@@ -229,6 +220,20 @@
               result = result || deviceChannelMapper.batchUpdate(updateChannels) < 0;
            }
         }
         if (!result && !deleteChannels.isEmpty()) {
            System.out.println("删除： " + deleteChannels.size());
            if (deleteChannels.size() > limitCount) {
               for (int i = 0; i < deleteChannels.size(); i += limitCount) {
                  int toIndex = i + limitCount;
                  if (i + limitCount > deleteChannels.size()) {
                     toIndex = deleteChannels.size();
                  }
                  result = result || deviceChannelMapper.batchDel(deleteChannels.subList(i, toIndex)) < 0;
               }
            }else {
               result = result || deviceChannelMapper.batchDel(deleteChannels) < 0;
            }
         }

         if (result) {
            //事务回滚