CapacityObjects to handle lists smoother

dream/simulation/applications/CapacityStations/CapacityEntity.py

@@ -42,7 +42,11 @@ class CapacityEntity(Entity):
         self.requiredCapacity=requiredCapacity  # the capacity that the capacity entity requires from the following station
         self.shouldMove=False
         from dream.simulation.Globals import G
-        G.CapacityEntityList.append(self)  
+        if hasattr(G, 'CapacityEntityList'):
+            G.CapacityEntityList.append(self)
+        else:
+            G.CapacityEntityList=[]
+            G.CapacityEntityList.append(self)
 
     def initialize(self):
         Entity.initialize(self)

dream/simulation/applications/CapacityStations/CapacityProject.py

@@ -44,7 +44,11 @@ class CapacityProject(Entity):
         # the assembly space the project requires
         self.assemblySpaceRequirement=assemblySpaceRequirement
         from dream.simulation.Globals import G
-        G.CapacityProjectList.append(self)
+        if hasattr(G, 'CapacityProjectList'):
+            G.CapacityProjectList.append(self)
+        else:
+            G.CapacityProjectList=[]
+            G.CapacityProjectList.append(self)
         
     def initialize(self):
         self.projectSchedule=[]     # a list of dicts to keep the schedule

dream/simulation/applications/CapacityStations/CapacityStation.py

@@ -74,7 +74,11 @@ class CapacityStation(Queue):
         self.utilisationDict=[]     # a list of dicts for the utilization results
         self.detailedWorkPlan=[]    # a list of dicts to keep detailed data
         from dream.simulation.Globals import G
-        G.CapacityStationList.append(self)
+        if hasattr(G, 'CapacityStationList'):
+            G.CapacityStationList.append(self)
+        else:
+            G.CapacityStationList=[]
+            G.CapacityStationList.append(self)
 
     def canAccept(self, callerObject=None):
         if self.isLocked:

dream/simulation/applications/CapacityStations/CapacityStationBuffer.py

@@ -41,7 +41,11 @@ class CapacityStationBuffer(Queue):
         self.isLocked=True
         self.requireFullProject=requireFullProject       # flag that shows if here the whole project is assembled
         from dream.simulation.Globals import G
-        G.CapacityStationBufferList.append(self)
+        if hasattr(G, 'CapacityStationBufferList'):
+            G.CapacityStationBufferList.append(self)
+        else:
+            G.CapacityStationBufferList=[]
+            G.CapacityStationBufferList.append(self)
         self.notRequiredOperations=notRequiredOperations    # operations that are not required to be assembled
 
         

dream/simulation/applications/CapacityStations/CapacityStationExit.py

@@ -45,8 +45,12 @@ class CapacityStationExit(Exit):
                                                                         # means it is the end of the system.
         self.nextCapacityStationBuffer=None                             # the next buffer. If it is None it
         from dream.simulation.Globals import G
-        G.CapacityStationExitList.append(self)
-                                                           # means it is the end of the system.        
+        if hasattr(G, 'CapacityStationExitList'):
+            G.CapacityStationExitList.append(self)
+        else:
+            G.CapacityStationExitList=[]
+            G.CapacityStationExitList.append(self)
+               
     def initialize(self):
         Exit.initialize(self)
         self.isLocked=True