No longer storing or relying on object instance names as that proved to be unnecessary and can potentially cause unpredictable behavior in certain edge cases.

lib/presets.coffee

@@ -155,15 +155,7 @@ exports.getDevicePreset = (deviceId, presets, objects, aliases, callback) ->
           devicePreset.objects[c.name][c.object].current ?= {}
           for k,p of param
             continue if k[0] == '_'
-            if p._name?
-              if p._name == c.object
-                devicePreset.objects[c.name][c.object].current[k] = p
-            else if matchObject(objects[c.object], p)
-              u = {}
-              u["#{c.name}.#{k}._name"] = c.object
-              db.devicesCollection.update({'_id' : deviceId}, {'$set' : u}, {}, (err, count) ->
-                throw err if err
-              )
+            if matchObject(objects[c.object], p)
               devicePreset.objects[c.name][c.object].current[k] = p
 
         when 'delete_object'
@@ -174,15 +166,7 @@ exports.getDevicePreset = (deviceId, presets, objects, aliases, callback) ->
           devicePreset.objects[c.name][c.object].current ?= {}
           for k,p of param
             continue if k[0] == '_'
-            if p._name?
-              if p._name == c.object
-                devicePreset.objects[c.name][c.object].current[k] = p
-            else if matchObject(objects[c.object], p)
-              u = {}
-              u["#{c.name}.#{k}._name"] = c.object
-              db.devicesCollection.update({'_id' : deviceId}, {'$set' : u}, {}, (err, count) ->
-                throw err if err
-              )
+            if matchObject(objects[c.object], p)
               devicePreset.objects[c.name][c.object].current[k] = p
 
         when 'custom_command_value'
@@ -273,7 +257,7 @@ exports.processDevicePreset = (deviceId, devicePreset, callback) ->
           vals = []
           for k,v of flatObject
             vals.push([k, v]) if k[0] != '_'
-          taskList.push({device : deviceId, name : 'addObject', objectName : parameterPath, parameterValues : vals, instanceName : objectName})
+          taskList.push({device : deviceId, name : 'addObject', objectName : parameterPath, parameterValues : vals})
       else if Object.keys(objectDetails.current).length > 0
         for i, obj of objectDetails.current
           taskList.push({device : deviceId, name : 'deleteObject', objectName : "#{parameterPath}.#{i}"})

lib/tasks.coffee

@@ -221,7 +221,6 @@ this.addObject = (task, methodResponse, callback) ->
       task.session.subtask = {device : task.device, name : 'getParameterNames', parameterPath : "#{task.objectName}.#{task.session.instanceNumber}.", nextLevel : false}
       task.session.appliedParameterValues = []
       task.session.parameterNames = []
-      allDeviceUpdates.instanceName = [["#{task.objectName}.#{task.session.instanceNumber}", task.instanceName]] if task.instanceName?
     else
       callback(null, STATUS_OK, {type : 'AddObject', objectName : "#{task.objectName}."})
       return

lib/update-device.coffee

@@ -75,10 +75,6 @@ commitUpdates = (deviceId, deviceUpdates, commitQueue, callback) ->
       for p in updatesBatch.deletedObjects
         update['$unset'][p] = 1
 
-    if updatesBatch.instanceName?
-      for i in updatesBatch.instanceName
-        update['$set']["#{i[0]}._name"] = i[1]
-
     if updatesBatch.parameterNames?
       presentPaths ?= {}
       projection ?= {}