3 files changed, 35 insertions, 24 deletions
diff --git a/src/org/traccar/model/Device.java b/src/org/traccar/model/Device.java
index 51b479b09..0c9be932d 100644
--- a/src/org/traccar/model/Device.java
+++ b/src/org/traccar/model/Device.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ import java.util.List;
 import org.traccar.database.QueryExtended;
 import org.traccar.database.QueryIgnore;
 
-public class Device extends ExtendedModel {
+public class Device extends GroupedModel {
 
     private String name;
 
@@ -88,16 +88,6 @@ public class Device extends ExtendedModel {
         this.positionId = positionId;
     }
 
-    private long groupId;
-
-    public long getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(long groupId) {
-        this.groupId = groupId;
-    }
-
     private List<Long> geofenceIds;
 
     @QueryIgnore
diff --git a/src/org/traccar/model/Group.java b/src/org/traccar/model/Group.java
index aad206aad..91ea2319d 100644
--- a/src/org/traccar/model/Group.java
+++ b/src/org/traccar/model/Group.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,7 +15,7 @@
  */
 package org.traccar.model;
 
-public class Group extends ExtendedModel {
+public class Group extends GroupedModel {
 
     private String name;
 
@@ -27,14 +27,4 @@ public class Group extends ExtendedModel {
         this.name = name;
     }
 
-    private long groupId;
-
-    public long getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(long groupId) {
-        this.groupId = groupId;
-    }
-
 }
diff --git a/src/org/traccar/model/GroupedModel.java b/src/org/traccar/model/GroupedModel.java
new file mode 100644
index 000000000..6b1aa75b1
--- /dev/null
+++ b/src/org/traccar/model/GroupedModel.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.model;
+
+public class GroupedModel extends ExtendedModel {
+
+    private long groupId;
+
+    public long getGroupId() {
+        return groupId;
+    }
+
+    public void setGroupId(long groupId) {
+        this.groupId = groupId;
+    }
+
+}