Entity and Exit updated so that number of units can be counted in cases that involve Batches

dream/simulation/Entity.py

@@ -53,7 +53,8 @@ class Entity(object):
         #         values to be used in the internal processing of compoundObjects
         self.internal = False       # informs if the entity is being processed internally
         self.isCritical=isCritical          # flag to inform weather the entity is critical -> preemption
-        self.manager=None
+        self.manager=None                   # default value
+        self.numberOfUnits=1                # default value
         
     # =======================================================================
     # outputs results to JSON File 

dream/simulation/Exit.py

@@ -61,6 +61,7 @@ class Exit(CoreObject):
         # The number of resource that exited through this exit.
         # XXX bug: cannot output as json when nothing has exited.
         self.numOfExits=0
+        self.totalNumberOfUnitsExited=0
         self.totalLifespan=0
         
         self.totalTaktTime=0            # the total time between to consecutive exits    
@@ -113,6 +114,7 @@ class Exit(CoreObject):
         activeEntity = CoreObject.getEntity(self)           #run the default method
         self.totalLifespan+=now()-activeEntity.startTime    #Add the entity's lifespan to the total one. 
         self.numOfExits+=1                                          # increase the exits by one
+        self.totalNumberOfUnitsExited+=activeEntity.numberOfUnits   # add the number of units that xited
         self.totalTaktTime+=now()-self.timeLastEntityLeft           # add the takt time
         self.timeLastEntityLeft=now()                               # update the time that the last entity left from the Exit
         return activeEntity