drop countQueueMetrics EG as core objects now have this functionality built in

dream/simulation/Examples/Batch_example.json

@@ -379,17 +379,6 @@
       "name": "StartQueue", 
       "schedulingRule": "FIFO"
     }, 
-    "Queues": {
-      "_class": "Dream.EventGenerator", 
-      "argumentDict": "{}", 
-      "duration": 10, 
-      "element_id": "DreamNode_27", 
-      "interval": 10, 
-      "method": "Globals.countQueueMetrics", 
-      "name": "Queues", 
-      "start": 1, 
-      "stop": -1
-    }, 
     "S1": {
       "_class": "Dream.BatchSource", 
       "batchNumberOfUnits": 100, 

dream/simulation/GUI/Default.py

@@ -364,17 +364,6 @@ class Simulation(object):
     """
     # by default we add an event generator if using queue stats
     if self.getConfigurationDict()["Dream-Configuration"]["gui"]["queue_stat"]:
-      if not "__queue_stat" in data["nodes"]:
-        data["nodes"]["__queue_stat"] = {
-            "_class": "Dream.EventGenerator",
-            "argumentDict": "{}",
-            "duration": 10,
-            "interval": 10,
-            "method": "Globals.countQueueMetrics",
-            "name": "Queue Statistics",
-            "start": 1,
-            "stop": -1
-        }
       for node in data["nodes"].values():
         if node['_class'] in ('Dream.Queue', ):
           node['gatherWipStat'] = 1

dream/simulation/Globals.py

@@ -256,13 +256,6 @@ def countIntervalThroughput(argumentDict={}):
             obj.intervalThroughPutList.append(currentExited)
 
 
-from Queue import Queue
-def countQueueMetrics(argumentDict={}):
-    for obj in G.ObjList:
-        if isinstance(obj, Queue):
-            obj.wipStatList.append((G.env.now, len(obj.Res.users)))
-
-
 # =======================================================================
 # Helper function to calculate the confidence intervals of a serie.
 # =======================================================================