fix:大屏查询记录GC问题

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java

@@ -1192,15 +1192,20 @@ public class DeviceServiceImpl implements DeviceService {
         try {
 
             String deviceIdsJson = deviceMapper.selectDeviceIdsByGoviewId(goviewId);
+            log.info("deviceIdsJson: {}", deviceIdsJson);
             if (StringUtils.isBlank(deviceIdsJson)) {
+                log.info("deviceIdsJson is blank, returning empty result");
                 return result;
             }
 
             // 1. 解析（允许重复 device）
             List<Map.Entry<Long, Set<Long>>> deviceAttributeList =
                     parseDeviceIdsJson(deviceIdsJson);
+            log.info("Parsed deviceAttributeList size: {}", deviceAttributeList.size());
+
 
             if (CollectionUtils.isEmpty(deviceAttributeList)) {
+                log.info("deviceAttributeList is empty, returning empty result");
                 return result;
             }
 
@@ -1212,12 +1217,15 @@ public class DeviceServiceImpl implements DeviceService {
             Set<Long> allAttributeIds = deviceAttributeList.stream()
                     .flatMap(e -> e.getValue().stream())
                     .collect(Collectors.toSet());
+            log.info("allDeviceIds: {}", allDeviceIds);
+            log.info("allAttributeIds: {}", allAttributeIds);
 
             // 3. 批量查设备
             Map<Long, DeviceDO> deviceMap = deviceMapper
                     .selectBatchIds(allDeviceIds)
                     .stream()
                     .collect(Collectors.toMap(DeviceDO::getId, Function.identity()));
+            log.info("deviceMap size: {}", deviceMap.size());
 
             // 4. 批量查属性
             Map<Long, DeviceContactModelDO> attributeMap =
@@ -1228,23 +1236,32 @@ public class DeviceServiceImpl implements DeviceService {
                             DeviceContactModelDO::getId,
                             Function.identity()
                     ));
+            log.info("attributeMap size: {}", attributeMap.size());
+
 
             // 5. 批量查运行状态
             Map<Long, DeviceOperationRecordDO> latestRecordMap =
                     getLatestDeviceOperationRecords(allDeviceIds);
+            log.info("latestRecordMap size: {}", latestRecordMap.size());
+
 
             // 6. 批量查最新采集数据（需为批量方法）
             Map<Long, Map<Long, Map<String, Object>>> deviceDataMap =
                     createDeviceDataMapBatch(allDeviceIds, attributeMap);
+            log.info("deviceDataMap size: {}", deviceDataMap.size());
+
 
             // 7. 按原始结构组装（不合并重复设备）
             for (Map.Entry<Long, Set<Long>> entry : deviceAttributeList) {
 
                 Long deviceId = entry.getKey();
                 Set<Long> attributeIds = entry.getValue();
+                log.info("Processing deviceId: {}, attributeIds: {}", deviceId, attributeIds);
 
                 DeviceDO device = deviceMap.get(deviceId);
                 if (device == null) {
+                    log.info("Device not found for deviceId: {}", deviceId);
+
                     continue;
                 }
 
@@ -1266,6 +1283,7 @@ public class DeviceServiceImpl implements DeviceService {
 
                     DeviceContactModelDO attribute = attributeMap.get(attributeId);
                     if (attribute == null) {
+                        log.info("Attribute not found for attributeId: {}", attributeId);
                         continue;
                     }
 
@@ -1289,7 +1307,7 @@ public class DeviceServiceImpl implements DeviceService {
                 deviceResult.put("attributes", attributeList);
                 result.add(deviceResult);
             }
-
+            log.info("Final result size: {}", result.size());
         } catch (Exception e) {
             log.error("Failed to get multi-device attributes by goviewId: {}", goviewId, e);
         }