Prevent adding devices with the equal Unique IDs
Prevent adding devices with the equal Unique IDs
Update DataServiceImpl.java
Update DeviceController.java
Update DataServiceImpl.java
Update DataServiceImpl.java
Merge pull request #2 from khfayzullaev/patch-1

Merging Patch 1
Update DataServiceImpl.java
Update DataServiceImpl.java
Update DataServiceImpl.java
Update DataServiceImpl.java
Update DataServiceImpl.java
Merge pull request #161 from khfayzullaev/patch-2

Prevent adding devices with same ids
Fix code formatting
Merge remote-tracking branch 'upstream/master'