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18 小时以前 1bda9524add969e315d870f284046ecf1097f956
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package dell_targets;
import databases.DBConnector;
import targets.LocationTag;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
public class Dell_tag {
    public static List<LocationTag> locationTags;
    private static ConcurrentHashMap<String, LocationTag> tagMap; // É豸ID->±êÇ©¶ÔÏóµÄÓ³Éä
    public static List<LocationTag> getlocationTags() throws SQLException{
        List<LocationTag> locationTags = new ArrayList<>();    
        tagMap = new ConcurrentHashMap<>(); // ³õʼ»¯Ó³Éä
        ResultSet rs =DBConnector.queryTableData("location_tag");
         if (rs == null) {
                // ËµÃ÷µ×²ãÄò»µ½Êý¾Ý£¬Ö±½ÓÅ×Òì³£»ò´òÓ¡ÈÕÖ¾
                throw new SQLException("DBConnector.queryTableData returned null, "
                                     + "please check database connection & SQL.");
            }
        while (rs.next()) {
            LocationTag locationTag = new LocationTag();
            locationTag.setId((int) rs.getLong("id"));
            locationTag.setDeviceNumber(rs.getString("device_id"));
            locationTag.setDeviceName(rs.getString("device_name"));
            locationTag.setDeviceVersion(rs.getString("device_version"));
            locationTag.setDeviceCardNumber(rs.getString("device_card_number"));
            locationTag.setDeviceType(rs.getString("device_type"));
            locationTag.setTeam(rs.getString("affiliated_class"));
            locationTag.setGroup(rs.getString("affiliated_group"));
            locationTag.setDepartment(rs.getString("department"));
            locationTag.setIconAddress(rs.getString("icon_url"));
            locationTag.setGender(rs.getString("gender"));
            locationTag.setEthnicity(rs.getString("ethnic_group"));
            locationTag.setCommunicationAddress(rs.getString("communication_address"));
            locationTag.setBoundPhone(rs.getString("bound_phone"));
            locationTag.setIdNumber(rs.getString("id_card_number"));
            locationTag.setPosition(rs.getString("personnel_position"));
            locationTag.setBoundPlateNumber(rs.getString("bound_license_plate"));
            locationTag.setFaceAddress(rs.getString("face_image_url"));
            locationTag.setHeartRate(rs.getString("heart_rate"));
            locationTag.setBloodPressure(rs.getString("blood_pressure"));
            locationTag.setBloodOxygen(rs.getString("blood_oxygen"));
            locationTag.setTemperature(rs.getString("body_temperature"));
            locationTag.setSosStatus(rs.getString("sos_status"));
            locationTag.setMotionStatus(rs.getString("motion_status"));
            locationTag.setOnlineStatus(rs.getString("online_status"));
            locationTag.setSearchStatus(rs.getString("search_status"));
            locationTag.setBatteryStatus(rs.getString("battery_status"));
            locationTag.setDeviceBattery(rs.getString("device_battery"));
            locationTag.setRemovalStatus(rs.getString("removal_status"));
            locationTag.setCollisionStatus(rs.getString("collision_status"));
            locationTag.setElevationStatus(rs.getString("climbing_status"));
            locationTag.setGatheringCount(rs.getString("gathering_count"));
            locationTag.setProximityAlarm(rs.getString("proximity_alarm"));
            locationTag.setArea(rs.getString("current_area"));
            locationTag.setXCoordinate(rs.getString("x_coordinate"));
            locationTag.setYCoordinate(rs.getString("y_coordinate"));
            locationTag.setZCoordinate(rs.getString("z_coordinate"));
            locationTag.setFloor(rs.getString("current_floor"));
            locationTag.setSpeed(rs.getString("movement_speed"));
            locationTag.setLocationSource(rs.getString("position_source"));
            locationTag.setLastUwbSignalTime(rs.getString("last_uwb_signal_time"));
            locationTag.setLastSatelliteSignalTime(rs.getString("last_satellite_signal_time"));
            locationTag.setUwbTimeSlot(rs.getString("uwb_time_slot"));
            locationTag.setLatestRangingSeq(rs.getString("latest_ranging_packet_sequence"));
            locationTag.setLatestRangingBaseId(rs.getString("latest_ranging_base_station_id"));
            locationTag.setLatestRangingDistance(rs.getString("latest_ranging_base_station_distance"));
            locationTag.setLatestRangingBaseCount(rs.getString("latest_ranging_uwb_base_station_count"));
            locationTag.setLatestRangingSignalStrength(rs.getString("latest_ranging_base_station_signal_strength"));
            locationTag.setUtcTime(rs.getString("utc_times"));
            locationTag.setLatitude(rs.getString("latitude"));
            locationTag.setLongitude(rs.getString("longitude"));
            locationTag.setSatelliteQuality(rs.getString("satellite_positioning_quality"));
            locationTag.setHdop(rs.getString("hdop"));
            locationTag.setSatelliteCount(rs.getString("satellite_count"));
            locationTag.setAltitude(rs.getString("altitude"));
            locationTag.setDifferentialTime(rs.getString("differential_time"));
            locationTag.setGeoidHeight(rs.getString("geoid_height"));
            locationTag.setSatelliteSpeed(rs.getString("satellite_speed"));
            locationTag.setLastBarometricValue(rs.getString("last_barometric_pressure"));
            locationTag.setRecentCoordinates(rs.getString("recent_five_positions"));
            locationTag.setRecentBarometricValues(rs.getString("recent_five_barometric_values"));
            locationTag.setOfflineTime(rs.getString("offline_time"));
            locationTag.setOnlineTime(rs.getString("online_time"));
            locationTag.setOfflineDuration(rs.getString("offline_duration"));
            locationTag.setOnlineDuration(rs.getString("online_duration"));
            locationTag.setMotionlessStartTime(rs.getString("stationary_start_time"));
            locationTag.setMotionlessEndTime(rs.getString("stationary_end_time"));
            locationTag.setMotionlessDuration(rs.getString("stationary_duration"));
            locationTag.setValidSatelliteSignal(rs.getString("tag_valid_satellite_signal"));
            String company=rs.getString("company");
            if (company == null || company.trim().isEmpty() || company.equals("-1") ) {
                company = "Unknown";
            }
            locationTag.setCompany(company);
            locationTag.setSleepTime(rs.getString("sleep_time"));
            locationTag.setVibrationTime(rs.getString("vibration_time"));
            locationTag.setFrequency(rs.getString("frequency"));
            locationTag.setMotionlessTime(rs.getString("stationary_time"));
            locationTag.setAccelerationValue(rs.getString("acceleration_value"));
            locationTag.setImuTime(rs.getString("imu_time"));
            locationTag.setReserved1(rs.getString("reserved1"));
            locationTag.setReserved2(rs.getString("reserved2"));
            locationTag.setReserved3(rs.getString("reserved3"));
            locationTag.setReserved4(rs.getString("reserved4"));
            locationTag.setReserved5(rs.getString("reserved5"));
            locationTag.setIpAndPort(rs.getString("ip_and_port"));
            locationTag.setInteractionType(rs.getString("Interaction_Type"));
            locationTag.setIpAddress(rs.getString("ipAddress"));
            locationTag.setIpPort(rs.getString("Interaction_Type"));
 
            locationTag.setId((int) rs.getLong("id"));
 
            String deviceNumber = rs.getString("device_id");
            if (deviceNumber == null || deviceNumber.trim().isEmpty() || deviceNumber.equals("-1")) {
                deviceNumber = "Unknown";
            }
            locationTag.setDeviceNumber(deviceNumber);
 
            String deviceName = rs.getString("device_name");
            if (deviceName == null || deviceName.trim().isEmpty() || deviceName.equals("-1")) {
                deviceName = "Unknown";
            }
            locationTag.setDeviceName(deviceName);
 
            String deviceVersion = rs.getString("device_version");
            if (deviceVersion == null || deviceVersion.trim().isEmpty() || deviceVersion.equals("-1")) {
                deviceVersion = "Unknown";
            }
            locationTag.setDeviceVersion(deviceVersion);
 
            String deviceCardNumber = rs.getString("device_card_number");
            if (deviceCardNumber == null || deviceCardNumber.trim().isEmpty() || deviceCardNumber.equals("-1")) {
                deviceCardNumber = "Unknown";
            }
            locationTag.setDeviceCardNumber(deviceCardNumber);
 
            String deviceType = rs.getString("device_type");
            if (deviceType == null || deviceType.trim().isEmpty() || deviceType.equals("-1")) {
                deviceType = "Unknown";
            }
            locationTag.setDeviceType(deviceType);
 
            String team = rs.getString("affiliated_class");
            if (team == null || team.trim().isEmpty() || team.equals("-1")) {
                team = "Unknown";
            }
            locationTag.setTeam(team);
 
            String group = rs.getString("affiliated_group");
            if (group == null || group.trim().isEmpty() || group.equals("-1")) {
                group = "Unknown";
            }
            locationTag.setGroup(group);
 
            String department = rs.getString("department");
            if (department == null || department.trim().isEmpty() || department.equals("-1")) {
                department = "Unknown";
            }
            locationTag.setDepartment(department);
 
            String iconAddress = rs.getString("icon_url");
            if (iconAddress == null || iconAddress.trim().isEmpty() || iconAddress.equals("-1")) {
                iconAddress = "Unknown";
            }
            locationTag.setIconAddress(iconAddress);
 
            String gender = rs.getString("gender");
            if (gender == null || gender.trim().isEmpty() || gender.equals("-1")) {
                gender = "Unknown";
            }
            locationTag.setGender(gender);
 
            String ethnicity = rs.getString("ethnic_group");
            if (ethnicity == null || ethnicity.trim().isEmpty() || ethnicity.equals("-1")) {
                ethnicity = "Unknown";
            }
            locationTag.setEthnicity(ethnicity);
 
            String communicationAddress = rs.getString("communication_address");
            if (communicationAddress == null || communicationAddress.trim().isEmpty() || communicationAddress.equals("-1")) {
                communicationAddress = "Unknown";
            }
            locationTag.setCommunicationAddress(communicationAddress);
 
            String boundPhone = rs.getString("bound_phone");
            if (boundPhone == null || boundPhone.trim().isEmpty() || boundPhone.equals("-1")) {
                boundPhone = "Unknown";
            }
            locationTag.setBoundPhone(boundPhone);
 
            String idNumber = rs.getString("id_card_number");
            if (idNumber == null || idNumber.trim().isEmpty() || idNumber.equals("-1")) {
                idNumber = "Unknown";
            }
            locationTag.setIdNumber(idNumber);
 
            String position = rs.getString("personnel_position");
            if (position == null || position.trim().isEmpty() || position.equals("-1")) {
                position = "Unknown";
            }
            locationTag.setPosition(position);
 
            String boundPlateNumber = rs.getString("bound_license_plate");
            if (boundPlateNumber == null || boundPlateNumber.trim().isEmpty() || boundPlateNumber.equals("-1")) {
                boundPlateNumber = "Unknown";
            }
            locationTag.setBoundPlateNumber(boundPlateNumber);
 
            String faceAddress = rs.getString("face_image_url");
            if (faceAddress == null || faceAddress.trim().isEmpty() || faceAddress.equals("-1")) {
                faceAddress = "Unknown";
            }
            locationTag.setFaceAddress(faceAddress);
 
            String heartRate = rs.getString("heart_rate");
            if (heartRate == null || heartRate.trim().isEmpty() || heartRate.equals("-1")) {
                heartRate = "Unknown";
            }
            locationTag.setHeartRate(heartRate);
 
            String bloodPressure = rs.getString("blood_pressure");
            if (bloodPressure == null || bloodPressure.trim().isEmpty() || bloodPressure.equals("-1")) {
                bloodPressure = "Unknown";
            }
            locationTag.setBloodPressure(bloodPressure);
 
            String bloodOxygen = rs.getString("blood_oxygen");
            if (bloodOxygen == null || bloodOxygen.trim().isEmpty() || bloodOxygen.equals("-1")) {
                bloodOxygen = "Unknown";
            }
            locationTag.setBloodOxygen(bloodOxygen);
 
            String temperature = rs.getString("body_temperature");
            if (temperature == null || temperature.trim().isEmpty() || temperature.equals("-1")) {
                temperature = "Unknown";
            }
            locationTag.setTemperature(temperature);
 
            String sosStatus = rs.getString("sos_status");
            if (sosStatus == null || sosStatus.trim().isEmpty() || sosStatus.equals("-1")) {
                sosStatus = "Unknown";
            }
            locationTag.setSosStatus(sosStatus);
 
            String motionStatus = rs.getString("motion_status");
            if (motionStatus == null || motionStatus.trim().isEmpty() || motionStatus.equals("-1")) {
                motionStatus = "Unknown";
            }
            locationTag.setMotionStatus(motionStatus);
 
            String onlineStatus = rs.getString("online_status");
            if (onlineStatus == null || onlineStatus.trim().isEmpty() || onlineStatus.equals("-1")) {
                onlineStatus = "Unknown";
            }
            locationTag.setOnlineStatus(onlineStatus);
 
            String searchStatus = rs.getString("search_status");
            if (searchStatus == null || searchStatus.trim().isEmpty() || searchStatus.equals("-1")) {
                searchStatus = "Unknown";
            }
            locationTag.setSearchStatus(searchStatus);
 
            String batteryStatus = rs.getString("battery_status");
            if (batteryStatus == null || batteryStatus.trim().isEmpty() || batteryStatus.equals("-1")) {
                batteryStatus = "Unknown";
            }
            locationTag.setBatteryStatus(batteryStatus);
 
            String deviceBattery = rs.getString("device_battery");
            if (deviceBattery == null || deviceBattery.trim().isEmpty() || deviceBattery.equals("-1")) {
                deviceBattery = "Unknown";
            }
            locationTag.setDeviceBattery(deviceBattery);
 
            String removalStatus = rs.getString("removal_status");
            if (removalStatus == null || removalStatus.trim().isEmpty() || removalStatus.equals("-1")) {
                removalStatus = "Unknown";
            }
            locationTag.setRemovalStatus(removalStatus);
 
            String collisionStatus = rs.getString("collision_status");
            if (collisionStatus == null || collisionStatus.trim().isEmpty() || collisionStatus.equals("-1")) {
                collisionStatus = "Unknown";
            }
            locationTag.setCollisionStatus(collisionStatus);
 
            String elevationStatus = rs.getString("climbing_status");
            if (elevationStatus == null || elevationStatus.trim().isEmpty() || elevationStatus.equals("-1")) {
                elevationStatus = "Unknown";
            }
            locationTag.setElevationStatus(elevationStatus);
 
            String gatheringCount = rs.getString("gathering_count");
            if (gatheringCount == null || gatheringCount.trim().isEmpty() || gatheringCount.equals("-1")) {
                gatheringCount = "Unknown";
            }
            locationTag.setGatheringCount(gatheringCount);
 
            String proximityAlarm = rs.getString("proximity_alarm");
            if (proximityAlarm == null || proximityAlarm.trim().isEmpty() || proximityAlarm.equals("-1")) {
                proximityAlarm = "Unknown";
            }
            locationTag.setProximityAlarm(proximityAlarm);
 
            String area = rs.getString("current_area");
            if (area == null || area.trim().isEmpty() || area.equals("-1")) {
                area = "Unknown";
            }
            locationTag.setArea(area);
 
            String xCoordinate = rs.getString("x_coordinate");
            if (xCoordinate == null || xCoordinate.trim().isEmpty() || xCoordinate.equals("-1")) {
                xCoordinate = "Unknown";
            }
            locationTag.setXCoordinate(xCoordinate);
 
            String yCoordinate = rs.getString("y_coordinate");
            if (yCoordinate == null || yCoordinate.trim().isEmpty() || yCoordinate.equals("-1")) {
                yCoordinate = "Unknown";
            }
            locationTag.setYCoordinate(yCoordinate);
 
            String zCoordinate = rs.getString("z_coordinate");
            if (zCoordinate == null || zCoordinate.trim().isEmpty() || zCoordinate.equals("-1")) {
                zCoordinate = "Unknown";
            }
            locationTag.setZCoordinate(zCoordinate);
 
            String floor = rs.getString("current_floor");
            if (floor == null || floor.trim().isEmpty() || floor.equals("-1")) {
                floor = "Unknown";
            }
            locationTag.setFloor(floor);
 
            String speed = rs.getString("movement_speed");
            if (speed == null || speed.trim().isEmpty() || speed.equals("-1")) {
                speed = "Unknown";
            }
            locationTag.setSpeed(speed);
 
            String locationSource = rs.getString("position_source");
            if (locationSource == null || locationSource.trim().isEmpty() || locationSource.equals("-1")) {
                locationSource = "Unknown";
            }
            locationTag.setLocationSource(locationSource);
 
            String lastUwbSignalTime = rs.getString("last_uwb_signal_time");
            if (lastUwbSignalTime == null || lastUwbSignalTime.trim().isEmpty() || lastUwbSignalTime.equals("-1")) {
                lastUwbSignalTime = "Unknown";
            }
            locationTag.setLastUwbSignalTime(lastUwbSignalTime);
 
            String lastSatelliteSignalTime = rs.getString("last_satellite_signal_time");
            if (lastSatelliteSignalTime == null || lastSatelliteSignalTime.trim().isEmpty() || lastSatelliteSignalTime.equals("-1")) {
                lastSatelliteSignalTime = "Unknown";
            }
            
            locationTag.setAutoUpgraded("Unknown");
            locationTag.setIsSatelliteDevice("-1");
            locationTag.setRTKsource("Unknown");
            locationTags.add(locationTag);
            tagMap.put(locationTag.getDeviceNumber(), locationTag); // Ìí¼Óµ½Ó³Éä
        }
        return locationTags;
    }
    
    // ÐÂÔö²åÈë±êÇ©·½·¨
    public static void insertLocationTag(LocationTag tag) throws SQLException {
        String sql = "INSERT INTO location_tag (device_id, device_name, device_type, company) " +
                     "VALUES (?, ?, ?, ?)";
        DBConnector.executeUpdate(sql, 
                tag.getDeviceNumber(), 
                tag.getDeviceName(), 
                tag.getDeviceType(), 
                tag.getCompany());
    }
    
    // ÐÂÔöɾ³ý±êÇ©·½·¨
    public static void deleteLocationTag(String deviceId) throws SQLException {
        String sql = "DELETE FROM location_tag WHERE device_id = ?";
        DBConnector.executeUpdate(sql, deviceId);
    }
    
    /**
     * ¸ù¾ÝÉ豸ID¸ßЧÐÞ¸ÄÊôÐÔÖµ
     * @param deviceId É豸ID£¨device_id£©
     * @param propertyName ÊôÐÔÃû£¨ÐèÓësetter·½·¨Æ¥Å䣩
     * @param value ÐÂÊôÐÔÖµ
     */
    public static void updateLocationTagProperty(String deviceId, String propertyName, String value) {
        LocationTag tag = tagMap.get(deviceId);
        if (tag == null) return; // ±êÇ©²»´æÔÚÔòºöÂÔ
        
        // ¸ù¾ÝÊôÐÔÃûµ÷ÓöÔÓ¦setter
        switch (propertyName) {
            case "id": tag.setId(Integer.parseInt(value)); break;
            case "deviceNumber": tag.setDeviceNumber(value); break;
            case "deviceName": tag.setDeviceName(value); break;
            case "deviceVersion": tag.setDeviceVersion(value); break;
            case "deviceCardNumber": tag.setDeviceCardNumber(value); break;
            case "deviceType": tag.setDeviceType(value); break;
            case "team": tag.setTeam(value); break;
            case "group": tag.setGroup(value); break;
            case "department": tag.setDepartment(value); break;
            case "iconAddress": tag.setIconAddress(value); break;
            case "gender": tag.setGender(value); break;
            case "ethnicity": tag.setEthnicity(value); break;
            case "communicationAddress": tag.setCommunicationAddress(value); break;
            case "boundPhone": tag.setBoundPhone(value); break;
            case "idNumber": tag.setIdNumber(value); break;
            case "position": tag.setPosition(value); break;
            case "boundPlateNumber": tag.setBoundPlateNumber(value); break;
            case "faceAddress": tag.setFaceAddress(value); break;
            case "heartRate": tag.setHeartRate(value); break;
            case "bloodPressure": tag.setBloodPressure(value); break;
            case "bloodOxygen": tag.setBloodOxygen(value); break;
            case "temperature": tag.setTemperature(value); break;
            case "sosStatus": tag.setSosStatus(value); break;
            case "motionStatus": tag.setMotionStatus(value); break;
            case "onlineStatus": tag.setOnlineStatus(value); break;
            case "searchStatus": tag.setSearchStatus(value); break;
            case "batteryStatus": tag.setBatteryStatus(value); break;
            case "deviceBattery": tag.setDeviceBattery(value); break;
            case "removalStatus": tag.setRemovalStatus(value); break;
            case "collisionStatus": tag.setCollisionStatus(value); break;
            case "elevationStatus": tag.setElevationStatus(value); break;
            case "gatheringCount": tag.setGatheringCount(value); break;
            case "proximityAlarm": tag.setProximityAlarm(value); break;
            case "area": tag.setArea(value); break;
            case "xCoordinate": tag.setXCoordinate(value); break;
            case "yCoordinate": tag.setYCoordinate(value); break;
            case "zCoordinate": tag.setZCoordinate(value); break;
            case "floor": tag.setFloor(value); break;
            case "speed": tag.setSpeed(value); break;
            case "locationSource": tag.setLocationSource(value); break;
            case "lastUwbSignalTime": tag.setLastUwbSignalTime(value); break;
            case "lastSatelliteSignalTime": tag.setLastSatelliteSignalTime(value); break;
            case "uwbTimeSlot": tag.setUwbTimeSlot(value); break;
            case "latestRangingSeq": tag.setLatestRangingSeq(value); break;
            case "latestRangingBaseId": tag.setLatestRangingBaseId(value); break;
            case "latestRangingDistance": tag.setLatestRangingDistance(value); break;
            case "latestRangingBaseCount": tag.setLatestRangingBaseCount(value); break;
            case "latestRangingSignalStrength": tag.setLatestRangingSignalStrength(value); break;
            case "utcTime": tag.setUtcTime(value); break;
            case "latitude": tag.setLatitude(value); break;
            case "longitude": tag.setLongitude(value); break;
            case "satelliteQuality": tag.setSatelliteQuality(value); break;
            case "hdop": tag.setHdop(value); break;
            case "satelliteCount": tag.setSatelliteCount(value); break;
            case "altitude": tag.setAltitude(value); break;
            case "differentialTime": tag.setDifferentialTime(value); break;
            case "geoidHeight": tag.setGeoidHeight(value); break;
            case "satelliteSpeed": tag.setSatelliteSpeed(value); break;
            case "lastBarometricValue": tag.setLastBarometricValue(value); break;
            case "recentCoordinates": tag.setRecentCoordinates(value); break;
            case "recentBarometricValues": tag.setRecentBarometricValues(value); break;
            case "offlineTime": tag.setOfflineTime(value); break;
            case "onlineTime": tag.setOnlineTime(value); break;
            case "offlineDuration": tag.setOfflineDuration(value); break;
            case "onlineDuration": tag.setOnlineDuration(value); break;
            case "motionlessStartTime": tag.setMotionlessStartTime(value); break;
            case "motionlessEndTime": tag.setMotionlessEndTime(value); break;
            case "motionlessDuration": tag.setMotionlessDuration(value); break;
            case "validSatelliteSignal": tag.setValidSatelliteSignal(value); break;
            case "company": tag.setCompany(value); break;
            case "sleepTime": tag.setSleepTime(value); break;
            case "vibrationTime": tag.setVibrationTime(value); break;
            case "frequency": tag.setFrequency(value); break;
            case "motionlessTime": tag.setMotionlessTime(value); break;
            case "accelerationValue": tag.setAccelerationValue(value); break;
            case "imuTime": tag.setImuTime(value); break;
            case "reserved1": tag.setReserved1(value); break;
            case "reserved2": tag.setReserved2(value); break;
            case "reserved3": tag.setReserved3(value); break;
            case "reserved4": tag.setReserved4(value); break;
            case "reserved5": tag.setReserved5(value); break;
            case "ipAndPort": tag.setIpAndPort(value); break;
            case "interactionType": tag.setInteractionType(value); break;
            case "ipAddress": tag.setIpAddress(value); break;
            case "ipPort": tag.setIpPort(value); break;
            case "gnGgaDataTime": tag.setGnGgaDataTime(value); break;
            case "isSatelliteDevice": tag.setIsSatelliteDevice(value);break;
            case "RTKsource": tag.setRTKsource(value);break;
            default: 
                throw new IllegalArgumentException("ÎÞЧÊôÐÔ: " + propertyName);
        }
    }
    
    /**
     * ¸ù¾ÝÉ豸ID»ñÈ¡±êÇ©¶ÔÏ󣨸ßЧ·ÃÎÊ£©
     * @param deviceId É豸ID
     * @return ±êÇ©¶ÔÏ󣨲»´æÔÚ·µ»Ønull£©
     */
    public static LocationTag getTagByDeviceId(String deviceId) {
        return tagMap.get(deviceId);
    }
    
    //»ñÈ¡ËùÓеÄtagid
    public static List<String> getAlldeviceIds() {
        List<String> types = new ArrayList<>();
        try {
            // »ñÈ¡MessageType¶ÔÏóÁбí
            List<LocationTag> typeList = getlocationTags();
            // Ìáȡÿ¸ö¶ÔÏóµÄTypeName
            for (LocationTag mt : typeList) {
                types.add(mt.getDeviceNumber());
            }
        } catch (SQLException e) {
            e.printStackTrace(); // Êµ¼ÊÓ¦ÓÃÖÐÓ¦´¦ÀíÒì³£
        }
        return types;
    }
    
    /**
     * »ñÈ¡ËùÓÐÔÚÏß״̬(onlineStatus=1)µÄÉ豸£¨¸ßЧÄÚ´æ²Ù×÷£©
     * @return ²»¿ÉÐ޸ĵÄLocationTag¼¯ºÏ£¨±ÜÃâÍⲿÐ޸Ļº´æ£©
     */
    public static List<LocationTag> getOnlineLocationTags() {
        if (tagMap == null || tagMap.isEmpty()) {
            return Collections.emptyList(); // »º´æÎª¿Õʱ·µ»Ø¿Õ¼¯ºÏ
        }
 
        List<LocationTag> onlineTags = new ArrayList<>();
        for (LocationTag tag : tagMap.values()) {
            if ("1".equals(tag.getOnlineStatus())) { // ×Ö·û´®±È½Ï±ÜÃâNPE
                onlineTags.add(tag);
            }
        }
        return Collections.unmodifiableList(onlineTags); // ·µ»Ø²»¿É±ä¼¯ºÏ
    }
    
    /**
     * ¿ìËÙ»ñÈ¡LocationTag¶ÔÏóµÄ×ÜÊý£¨Ê¹ÓÃÄڴ滺´æÌá¸ßÐÔÄÜ£©
     * @return LocationTag¶ÔÏóµÄ×ÜÊý
     */
    public static int getLocationTagCount() {
        if (tagMap == null) {
            synchronized (Dell_tag.class) {
                if (tagMap == null) {
                    try {
                        getlocationTags(); // ³õʼ»¯»º´æ
                    } catch (SQLException e) {
                        e.printStackTrace();
                        return 0; // ³õʼ»¯Ê§°Ü·µ»Ø0
                    }
                }
            }
        }
        return tagMap.size();
    }
    
    /**
     * ¸ù¾Ýµ¥¸öÊôÐÔ²éѯLocationTag¶ÔÏó
     * @param propertyName ÊôÐÔÃû£¨deviceNumber/deviceVersion/company£©
     * @param propertyValue ÊôÐÔÖµ
     * @return Âú×ãÌõ¼þµÄLocationTag¶ÔÏóÁбí
     */
    public static List<LocationTag> getLocationTagsByProperty(String propertyName, String propertyValue) {
        if (tagMap == null || tagMap.isEmpty()) {
            try {
                getlocationTags(); // ³õʼ»¯Êý¾Ý
            } catch (SQLException e) {
                e.printStackTrace();
                return Collections.emptyList();
            }
        }
        
        List<LocationTag> result = new ArrayList<>();
        
        for (LocationTag tag : tagMap.values()) {
            switch (propertyName) {
                case "deviceNumber":
                    if (propertyValue.equals(tag.getDeviceNumber())) {
                        result.add(tag);
                    }
                    break;
                case "deviceVersion":
                    if (propertyValue.equals(tag.getDeviceVersion())) {
                        result.add(tag);
                    }
                    break;
                case "company":
                    if (propertyValue.equals(tag.getCompany())) {
                        result.add(tag);
                    }
                    break;
                default:
                    throw new IllegalArgumentException("²»Ö§³ÖµÄÊôÐÔ: " + propertyName);
            }
        }
        
        return result;
    }