cherry-pick from readWIPseperatelly. schedule now holds exit time from stations

dream/simulation/CoreObject.py

@@ -181,6 +181,13 @@ class CoreObject(object):
         
         self.timeLastEntityLeft=self.env.now
         self.outputTrace(entity.name, "released "+self.objName)
+        
+        #append the time to schedule so that it can be read in the result
+        #remember that every entity has it's schedule which is supposed to be updated every time 
+        # he entity enters a new object
+        if entity.schedule:
+            entity.schedule[-1].append(self.env.now)
+        
         # update wipStatList
         if self.gatherWipStat:
             self.wipStatList.append([self.env.now, len(activeObjectQueue)])

dream/simulation/MouldAssembly.py

@@ -174,9 +174,13 @@ class MouldAssembly(MachineManagedJob):
         # assert that there is a parent order
         assert self.mouldParent.type=='Order', 'the type of the assembled to be mould\' s parent is not correct'
         # delete the contents of the internal queue
-        for element in activeObjectQueue:
+        temp_activeObjectQueue=list(activeObjectQueue)
+        for element in temp_activeObjectQueue:
+            # update their schedule
+            element.schedule[-1].append(self.env.now)
+            # remove the elements
             activeObjectQueue.remove(element)
-#         del activeObjectQueue[:]
+        del temp_activeObjectQueue[:]
         # after assembling reset the capacity
         activeObject.updateCapacity(1)
         #if there is a mould to be assembled