9 files changed, 88 insertions, 334 deletions

diff --git a/src/org/traccar/database/AttributesManager.java b/src/org/traccar/database/AttributesManager.java
index 88bedfba4..ebfdbc9b4 100644
--- a/src/org/traccar/database/AttributesManager.java
+++ b/src/org/traccar/database/AttributesManager.java
@@ -29,7 +29,7 @@ public class AttributesManager extends ExtendedObjectManager {
     public AttributesManager(DataManager dataManager) {
         super(dataManager, Attribute.class, AttributePermission.class, DeviceAttribute.class, GroupAttribute.class);
         refreshItems();
-        refresh();
+        refreshExtendedPermissions();
     }
 
     @Override
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 4bf4b1b9a..6c9cca86c 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -23,6 +23,7 @@ import java.sql.SQLException;
 import java.text.SimpleDateFormat;
 import java.util.Collection;
 import java.util.Date;
+import java.util.Map;
 
 import javax.naming.InitialContext;
 import javax.sql.DataSource;
@@ -39,17 +40,12 @@ import org.traccar.Config;
 import org.traccar.helper.Log;
 import org.traccar.model.AttributeAlias;
 import org.traccar.model.Device;
-import org.traccar.model.DevicePermission;
 import org.traccar.model.Event;
-import org.traccar.model.Group;
-import org.traccar.model.GroupPermission;
 import org.traccar.model.Identifiable;
-import org.traccar.model.Notification;
 import org.traccar.model.Position;
 import org.traccar.model.Server;
 import org.traccar.model.Statistics;
 import org.traccar.model.User;
-import org.traccar.model.UserPermission;
 
 import com.zaxxer.hikari.HikariConfig;
 import com.zaxxer.hikari.HikariDataSource;
@@ -153,17 +149,6 @@ public class DataManager {
         }
     }
 
-    public Collection<User> getUsers() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectUsersAll"))
-                .executeQuery(User.class);
-    }
-
-    public void addUser(User user) throws SQLException {
-        user.setId(QueryBuilder.create(dataSource, getQuery("database.insertUser"), true)
-                .setObject(user)
-                .executeUpdate());
-    }
-
     public void updateUser(User user) throws SQLException {
         QueryBuilder.create(dataSource, getQuery("database.updateUser"))
                 .setObject(user)
@@ -175,102 +160,12 @@ public class DataManager {
         }
     }
 
-    public void removeUser(long userId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.deleteUser"))
-                .setLong("id", userId)
-                .executeUpdate();
-    }
-
-    public Collection<DevicePermission> getDevicePermissions() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectDevicePermissions"))
-                .executeQuery(DevicePermission.class);
-    }
-
-    public Collection<GroupPermission> getGroupPermissions() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectGroupPermissions"))
-                .executeQuery(GroupPermission.class);
-    }
-
-    public Collection<Device> getAllDevices() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectDevicesAll"))
-                .executeQuery(Device.class);
-    }
-
-    public void addDevice(Device device) throws SQLException {
-        device.setId(QueryBuilder.create(dataSource, getQuery("database.insertDevice"), true)
-                .setObject(device)
-                .executeUpdate());
-    }
-
-    public void updateDevice(Device device) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.updateDevice"))
-                .setObject(device)
-                .executeUpdate();
-    }
-
     public void updateDeviceStatus(Device device) throws SQLException {
         QueryBuilder.create(dataSource, getQuery("database.updateDeviceStatus"))
                 .setObject(device)
                 .executeUpdate();
     }
 
-    public void removeDevice(long deviceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.deleteDevice"))
-                .setLong("id", deviceId)
-                .executeUpdate();
-    }
-
-    public void linkDevice(long userId, long deviceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkDevice"))
-                .setLong("userId", userId)
-                .setLong("deviceId", deviceId)
-                .executeUpdate();
-    }
-
-    public void unlinkDevice(long userId, long deviceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkDevice"))
-                .setLong("userId", userId)
-                .setLong("deviceId", deviceId)
-                .executeUpdate();
-    }
-
-    public Collection<Group> getAllGroups() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectGroupsAll"))
-                .executeQuery(Group.class);
-    }
-
-    public void addGroup(Group group) throws SQLException {
-        group.setId(QueryBuilder.create(dataSource, getQuery("database.insertGroup"), true)
-                .setObject(group)
-                .executeUpdate());
-    }
-
-    public void updateGroup(Group group) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.updateGroup"))
-                .setObject(group)
-                .executeUpdate();
-    }
-
-    public void removeGroup(long groupId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.deleteGroup"))
-                .setLong("id", groupId)
-                .executeUpdate();
-    }
-
-    public void linkGroup(long userId, long groupId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkGroup"))
-                .setLong("userId", userId)
-                .setLong("groupId", groupId)
-                .executeUpdate();
-    }
-
-    public void unlinkGroup(long userId, long groupId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkGroup"))
-                .setLong("userId", userId)
-                .setLong("groupId", groupId)
-                .executeUpdate();
-    }
-
     public Collection<Position> getPositions(long deviceId, Date from, Date to) throws SQLException {
         return QueryBuilder.create(dataSource, getQuery("database.selectPositions"))
                 .setLong("deviceId", deviceId)
@@ -323,24 +218,12 @@ public class DataManager {
                 .executeQuerySingle(Server.class);
     }
 
-    public void updateServer(Server server) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.updateServer"))
-                .setObject(server)
-                .executeUpdate();
-    }
-
     public Event getEvent(long eventId) throws SQLException {
         return QueryBuilder.create(dataSource, getQuery("database.selectEvent"))
                 .setLong("id", eventId)
                 .executeQuerySingle(Event.class);
     }
 
-    public void addEvent(Event event) throws SQLException {
-        event.setId(QueryBuilder.create(dataSource, getQuery("database.insertEvent"), true)
-                .setObject(event)
-                .executeUpdate());
-    }
-
     public Collection<Event> getEvents(long deviceId, Date from, Date to) throws SQLException {
         return QueryBuilder.create(dataSource, getQuery("database.selectEvents"))
                 .setLong("deviceId", deviceId)
@@ -349,71 +232,6 @@ public class DataManager {
                 .executeQuery(Event.class);
     }
 
-    public void linkGeofence(long userId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkGeofence"))
-                .setLong("userId", userId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public void unlinkGeofence(long userId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkGeofence"))
-                .setLong("userId", userId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public void linkGroupGeofence(long groupId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkGroupGeofence"))
-                .setLong("groupId", groupId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public void unlinkGroupGeofence(long groupId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkGroupGeofence"))
-                .setLong("groupId", groupId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public void linkDeviceGeofence(long deviceId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkDeviceGeofence"))
-                .setLong("deviceId", deviceId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public void unlinkDeviceGeofence(long deviceId, long geofenceId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkDeviceGeofence"))
-                .setLong("deviceId", deviceId)
-                .setLong("geofenceId", geofenceId)
-                .executeUpdate();
-    }
-
-    public Collection<Notification> getNotifications() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectNotifications"))
-                .executeQuery(Notification.class);
-    }
-
-    public void addNotification(Notification notification) throws SQLException {
-        notification.setId(QueryBuilder.create(dataSource, getQuery("database.insertNotification"), true)
-                .setObject(notification)
-                .executeUpdate());
-    }
-
-    public void updateNotification(Notification notification) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.updateNotification"))
-                .setObject(notification)
-                .executeUpdate();
-    }
-
-    public void removeNotification(Notification notification) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.deleteNotification"))
-                .setLong("id", notification.getId())
-                .executeUpdate();
-    }
-
     public Collection<AttributeAlias> getAttributeAliases() throws SQLException {
         return QueryBuilder.create(dataSource, getQuery("database.selectAttributeAliases"))
                 .executeQuery(AttributeAlias.class);
@@ -450,121 +268,16 @@ public class DataManager {
                 .executeUpdate());
     }
 
-    public void linkCalendar(long userId, long calendarId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkCalendar"))
-                .setLong("userId", userId)
-                .setLong("calendarId", calendarId)
-                .executeUpdate();
-    }
-
-    public void unlinkCalendar(long userId, long calendarId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkCalendar"))
-                .setLong("userId", userId)
-                .setLong("calendarId", calendarId)
-                .executeUpdate();
-    }
-
-    public Collection<UserPermission> getUserPermissions() throws SQLException {
-        return QueryBuilder.create(dataSource, getQuery("database.selectUserPermissions"))
-                .executeQuery(UserPermission.class);
-    }
-
-    public void linkUser(long userId, long managedUserId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkUser"))
-                .setLong("userId", userId)
-                .setLong("managedUserId", managedUserId)
-                .executeUpdate();
-    }
-
-    public void unlinkUser(long userId, long managedUserId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkUser"))
-                .setLong("userId", userId)
-                .setLong("managedUserId", managedUserId)
-                .executeUpdate();
-    }
-
-    public void linkAttribute(long userId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkAttribute"))
-                .setLong("userId", userId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void unlinkAttribute(long userId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkAttribute"))
-                .setLong("userId", userId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void linkGroupAttribute(long groupId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkGroupAttribute"))
-                .setLong("groupId", groupId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void unlinkGroupAttribute(long groupId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkGroupAttribute"))
-                .setLong("groupId", groupId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void linkDeviceAttribute(long deviceId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkDeviceAttribute"))
-                .setLong("deviceId", deviceId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void unlinkDeviceAttribute(long deviceId, long attributeId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkDeviceAttribute"))
-                .setLong("deviceId", deviceId)
-                .setLong("attributeId", attributeId)
-                .executeUpdate();
-    }
-
-    public void linkDriver(long userId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkDriver"))
-                .setLong("userId", userId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
-    }
-
-    public void unlinkDriver(long userId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkDriver"))
-                .setLong("userId", userId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
-    }
-
-    public void linkGroupDriver(long groupId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkGroupDriver"))
-                .setLong("groupId", groupId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
-    }
-
-    public void unlinkGroupDriver(long groupId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkGroupDriver"))
-                .setLong("groupId", groupId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
-    }
-
-    public void linkDeviceDriver(long deviceId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.linkDeviceDriver"))
-                .setLong("deviceId", deviceId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
-    }
-
-    public void unlinkDeviceDriver(long deviceId, long driverId) throws SQLException {
-        QueryBuilder.create(dataSource, getQuery("database.unlinkDeviceDriver"))
-                .setLong("deviceId", deviceId)
-                .setLong("driverId", driverId)
-                .executeUpdate();
+    public void linkObject(Map<String, Long> permission, boolean link) throws SQLException {
+        String query = "database." + (!link ? "un" : "") + "link";
+        for (String key : permission.keySet()) {
+            query += key.substring(0, 1).toUpperCase() + key.replace("Id", "").substring(1);
+        }
+        QueryBuilder queryBuilder = QueryBuilder.create(dataSource, getQuery(query));
+        for (String key : permission.keySet()) {
+            queryBuilder.setLong(key, permission.get(key));
+        }
+        queryBuilder.executeUpdate();
     }
 
     public <T> Collection<T> getObjects(Class<T> clazz) throws SQLException {
diff --git a/src/org/traccar/database/DeviceManager.java b/src/org/traccar/database/DeviceManager.java
index f2a2dd565..ba360f165 100644
--- a/src/org/traccar/database/DeviceManager.java
+++ b/src/org/traccar/database/DeviceManager.java
@@ -85,7 +85,7 @@ public class DeviceManager implements IdentityManager {
         if ((force || System.currentTimeMillis() - lastUpdate > dataRefreshDelay)
                 && devicesLastUpdate.compareAndSet(lastUpdate, System.currentTimeMillis())) {
             GeofenceManager geofenceManager = Context.getGeofenceManager();
-            Collection<Device> databaseDevices = dataManager.getAllDevices();
+            Collection<Device> databaseDevices = dataManager.getObjects(Device.class);
             if (devicesById == null) {
                 devicesById = new ConcurrentHashMap<>(databaseDevices.size());
             }
@@ -199,7 +199,7 @@ public class DeviceManager implements IdentityManager {
     }
 
     public void addDevice(Device device) throws SQLException {
-        dataManager.addDevice(device);
+        dataManager.addObject(device);
 
         devicesById.put(device.getId(), device);
         devicesByUniqueId.put(device.getUniqueId(), device);
@@ -209,7 +209,7 @@ public class DeviceManager implements IdentityManager {
     }
 
     public void updateDevice(Device device) throws SQLException {
-        dataManager.updateDevice(device);
+        dataManager.updateObject(device);
 
         devicesById.put(device.getId(), device);
         devicesByUniqueId.put(device.getUniqueId(), device);
@@ -227,7 +227,7 @@ public class DeviceManager implements IdentityManager {
     }
 
     public void removeDevice(long deviceId) throws SQLException {
-        dataManager.removeDevice(deviceId);
+        dataManager.removeObject(Device.class, deviceId);
 
         if (devicesById.containsKey(deviceId)) {
             String deviceUniqueId = devicesById.get(deviceId).getUniqueId();
@@ -289,7 +289,7 @@ public class DeviceManager implements IdentityManager {
         long lastUpdate = groupsLastUpdate.get();
         if ((force || System.currentTimeMillis() - lastUpdate > dataRefreshDelay)
                 && groupsLastUpdate.compareAndSet(lastUpdate, System.currentTimeMillis())) {
-            Collection<Group> databaseGroups = dataManager.getAllGroups();
+            Collection<Group> databaseGroups = dataManager.getObjects(Group.class);
             if (groupsById == null) {
                 groupsById = new ConcurrentHashMap<>(databaseGroups.size());
             }
@@ -359,18 +359,18 @@ public class DeviceManager implements IdentityManager {
 
     public void addGroup(Group group) throws SQLException {
         checkGroupCycles(group);
-        dataManager.addGroup(group);
+        dataManager.addObject(group);
         groupsById.put(group.getId(), group);
     }
 
     public void updateGroup(Group group) throws SQLException {
         checkGroupCycles(group);
-        dataManager.updateGroup(group);
+        dataManager.updateObject(group);
         groupsById.put(group.getId(), group);
     }
 
     public void removeGroup(long groupId) throws SQLException {
-        dataManager.removeGroup(groupId);
+        dataManager.removeObject(Group.class, groupId);
         groupsById.remove(groupId);
     }
 
diff --git a/src/org/traccar/database/DriversManager.java b/src/org/traccar/database/DriversManager.java
index 391708f64..9b01f1a70 100644
--- a/src/org/traccar/database/DriversManager.java
+++ b/src/org/traccar/database/DriversManager.java
@@ -34,7 +34,7 @@ public class DriversManager extends ExtendedObjectManager {
     public DriversManager(DataManager dataManager) {
         super(dataManager, Driver.class, DriverPermission.class, DeviceDriver.class, GroupDriver.class);
         refreshItems();
-        refresh();
+        refreshExtendedPermissions();
     }
 
     @Override
@@ -83,7 +83,7 @@ public class DriversManager extends ExtendedObjectManager {
             driversByUniqueId.remove(driverUniqueId);
         }
         refreshUserItems();
-        refresh();
+        refreshExtendedPermissions();
     }
 
     public Driver getDriverByUniqueId(String uniqueId) {
diff --git a/src/org/traccar/database/ExtendedObjectManager.java b/src/org/traccar/database/ExtendedObjectManager.java
index 5147b9f9f..a6508f066 100644
--- a/src/org/traccar/database/ExtendedObjectManager.java
+++ b/src/org/traccar/database/ExtendedObjectManager.java
@@ -82,10 +82,10 @@ public abstract class ExtendedObjectManager extends SimpleObjectManager {
     @Override
     public void removeItem(long itemId) throws SQLException {
         super.removeItem(itemId);
-        refresh();
+        refreshExtendedPermissions();
     }
 
-    public void refresh() {
+    public void refreshExtendedPermissions() {
         if (getDataManager() != null) {
             try {
 
diff --git a/src/org/traccar/database/GeofenceManager.java b/src/org/traccar/database/GeofenceManager.java
index 868804d8f..ed1f26f78 100644
--- a/src/org/traccar/database/GeofenceManager.java
+++ b/src/org/traccar/database/GeofenceManager.java
@@ -31,11 +31,12 @@ public class GeofenceManager extends ExtendedObjectManager {
     public GeofenceManager(DataManager dataManager) {
         super(dataManager, Geofence.class, GeofencePermission.class, DeviceGeofence.class, GroupGeofence.class);
         refreshItems();
-        refresh();
+        refreshExtendedPermissions();
     }
 
-    public final void refresh() {
-        super.refresh();
+    @Override
+    public final void refreshExtendedPermissions() {
+        super.refreshExtendedPermissions();
         recalculateDevicesGeofences();
     }
 
diff --git a/src/org/traccar/database/NotificationManager.java b/src/org/traccar/database/NotificationManager.java
index 11d5a9aca..0987f255b 100644
--- a/src/org/traccar/database/NotificationManager.java
+++ b/src/org/traccar/database/NotificationManager.java
@@ -49,7 +49,7 @@ public class NotificationManager {
 
     public void updateEvent(Event event, Position position) {
         try {
-            dataManager.addEvent(event);
+            dataManager.addObject(event);
         } catch (SQLException error) {
             Log.warning(error);
         }
@@ -105,7 +105,7 @@ public class NotificationManager {
                 notificationsLock.writeLock().lock();
                 try {
                     userNotifications.clear();
-                    for (Notification notification : dataManager.getNotifications()) {
+                    for (Notification notification : dataManager.getObjects(Notification.class)) {
                         getUserNotificationsUnsafe(notification.getUserId()).add(notification);
                     }
                 } finally {
@@ -139,7 +139,7 @@ public class NotificationManager {
                     || cachedNotification.getSms() != notification.getSms()) {
                 if (!notification.getWeb() && !notification.getMail() && !notification.getSms()) {
                     try {
-                        dataManager.removeNotification(cachedNotification);
+                        dataManager.removeObject(Notification.class, cachedNotification.getId());
                     } catch (SQLException error) {
                         Log.warning(error);
                     }
@@ -160,7 +160,7 @@ public class NotificationManager {
                         notificationsLock.writeLock().unlock();
                     }
                     try {
-                        dataManager.updateNotification(cachedNotification);
+                        dataManager.updateObject(cachedNotification);
                     } catch (SQLException error) {
                         Log.warning(error);
                     }
@@ -170,7 +170,7 @@ public class NotificationManager {
             }
         } else if (notification.getWeb() || notification.getMail() || notification.getSms()) {
             try {
-                dataManager.addNotification(notification);
+                dataManager.addObject(notification);
             } catch (SQLException error) {
                 Log.warning(error);
             }
diff --git a/src/org/traccar/database/PermissionsManager.java b/src/org/traccar/database/PermissionsManager.java
index f88e14bfe..caae86b84 100644
--- a/src/org/traccar/database/PermissionsManager.java
+++ b/src/org/traccar/database/PermissionsManager.java
@@ -98,7 +98,7 @@ public class PermissionsManager {
         usersTokens.clear();
         try {
             server = dataManager.getServer();
-            for (User user : dataManager.getUsers()) {
+            for (User user : dataManager.getObjects(User.class)) {
                 users.put(user.getId(), user);
                 if (user.getToken() != null) {
                     usersTokens.put(user.getToken(), user.getId());
@@ -112,7 +112,7 @@ public class PermissionsManager {
     public final void refreshUserPermissions() {
         userPermissions.clear();
         try {
-            for (UserPermission permission : dataManager.getUserPermissions()) {
+            for (UserPermission permission : dataManager.getObjects(UserPermission.class)) {
                 getUserPermissions(permission.getUserId()).add(permission.getManagedUserId());
             }
         } catch (SQLException error) {
@@ -126,7 +126,7 @@ public class PermissionsManager {
         try {
             GroupTree groupTree = new GroupTree(Context.getDeviceManager().getAllGroups(),
                     Context.getDeviceManager().getAllDevices());
-            for (GroupPermission permission : dataManager.getGroupPermissions()) {
+            for (GroupPermission permission : dataManager.getObjects(GroupPermission.class)) {
                 Set<Long> userGroupPermissions = getGroupPermissions(permission.getUserId());
                 Set<Long> userDevicePermissions = getDevicePermissions(permission.getUserId());
                 userGroupPermissions.add(permission.getGroupId());
@@ -137,7 +137,7 @@ public class PermissionsManager {
                     userDevicePermissions.add(device.getId());
                 }
             }
-            for (DevicePermission permission : dataManager.getDevicePermissions()) {
+            for (DevicePermission permission : dataManager.getObjects(DevicePermission.class)) {
                 getDevicePermissions(permission.getUserId()).add(permission.getDeviceId());
             }
 
@@ -302,6 +302,15 @@ public class PermissionsManager {
         SimpleObjectManager manager = null;
 
         switch (object) {
+            case "device":
+                checkDevice(userId, objectId);
+                break;
+            case "group":
+                checkGroup(userId, objectId);
+                break;
+            case "user":
+                checkUser(userId, objectId);
+                break;
             case "geofence":
                 manager = Context.getGeofenceManager();
                 break;
@@ -332,12 +341,51 @@ public class PermissionsManager {
         }
     }
 
+    public void refreshAllExtendedPermissions() {
+        if (Context.getGeofenceManager() != null) {
+            Context.getGeofenceManager().refreshExtendedPermissions();
+        }
+        Context.getDriversManager().refreshExtendedPermissions();
+        Context.getAttributesManager().refreshExtendedPermissions();
+    }
+
+    public void refreshPermissions(Map<String, Long> entity) {
+        if (entity.containsKey("userId")) {
+            if (entity.containsKey("deviceId") || entity.containsKey("groupId")) {
+                refreshPermissions();
+                refreshAllExtendedPermissions();
+            } else if (entity.containsKey("managedUserId")) {
+                refreshUserPermissions();
+            } else if (entity.containsKey("geofenceId")) {
+                if (Context.getGeofenceManager() != null) {
+                    Context.getGeofenceManager().refreshUserItems();
+                }
+            } else if (entity.containsKey("driverId")) {
+                Context.getDriversManager().refreshUserItems();
+            } else if (entity.containsKey("attributeId")) {
+                Context.getAttributesManager().refreshUserItems();
+            } else if (entity.containsKey("calendarId")) {
+                Context.getCalendarManager().refreshUserItems();
+            }
+        } else if (entity.containsKey("deviceId") || entity.containsKey("groupId")) {
+            if (entity.containsKey("geofenceId")) {
+                if (Context.getGeofenceManager() != null) {
+                    Context.getGeofenceManager().refreshExtendedPermissions();
+                }
+            } else if (entity.containsKey("driverId")) {
+                Context.getDriversManager().refreshExtendedPermissions();
+            } else if (entity.containsKey("attributeId")) {
+                Context.getAttributesManager().refreshExtendedPermissions();
+            }
+        }
+    }
+
     public Server getServer() {
         return server;
     }
 
     public void updateServer(Server server) throws SQLException {
-        dataManager.updateServer(server);
+        dataManager.updateObject(server);
         this.server = server;
     }
 
@@ -364,7 +412,7 @@ public class PermissionsManager {
     }
 
     public void addUser(User user) throws SQLException {
-        dataManager.addUser(user);
+        dataManager.addObject(user);
         users.put(user.getId(), user);
         if (user.getToken() != null) {
             usersTokens.put(user.getToken(), user.getId());
@@ -386,7 +434,7 @@ public class PermissionsManager {
     }
 
     public void removeUser(long userId) throws SQLException {
-        dataManager.removeUser(userId);
+        dataManager.removeObject(User.class, userId);
         usersTokens.remove(users.get(userId).getToken());
         users.remove(userId);
         refreshPermissions();
diff --git a/src/org/traccar/database/SimpleObjectManager.java b/src/org/traccar/database/SimpleObjectManager.java
index 84d41a84f..f5f807850 100644
--- a/src/org/traccar/database/SimpleObjectManager.java
+++ b/src/org/traccar/database/SimpleObjectManager.java
@@ -132,14 +132,6 @@ public abstract class SimpleObjectManager {
         refreshUserItems();
     }
 
-//    public final Collection<? extends Identifiable> getItems(Set<Long> itemIds) {
-//        Collection<Identifiable> result = new LinkedList<>();
-//        for (long itemId : itemIds) {
-//            result.add(getById(itemId));
-//        }
-//        return result;
-//    }
-
     public final <T> Collection<T> getItems(Class<T> clazz, Set<Long> itemIds) {
         Collection<T> result = new LinkedList<>();
         for (long itemId : itemIds) {