comments added

dream/simulation/Machine.py

@@ -528,13 +528,17 @@ class Machine(CoreObject):
         self.completedJobs+=1                                   # Machine completed one more Job
         # reseting the shouldPreempt flag
         self.shouldPreempt=False
+        # in case Machine just performed the last work before end of shift it should signal the ShiftScheduler
         if self.isWorkingOnTheLastBeforeOffShift:
+            # find the ShiftSchedulerList
             mySS=None
             for SS in G.ShiftSchedulerList:
                 if SS.victim==self:
                     mySS=SS
                     break
+            # set the signal
             mySS.victimEndedLastProcessing.succeed()
+            # reset the flag
             self.isWorkingOnTheLastBeforeOffShift=False
     
     # =======================================================================

dream/simulation/ShiftScheduler.py

@@ -84,6 +84,8 @@ class ShiftScheduler(ObjectInterruption):
                 startShift=self.env.now
             else:
                 yield self.env.timeout(float(self.remainingShiftPattern[0][1]-self.env.now))    # wait until the shift is over
+                # if the mode is to end current work before going off-shift and there is current work, wait for victimEndedLastProcessing
+                # signal before going off-shift
                 if self.endUnfinished and len(self.victim.getActiveObjectQueue())==1 and (not self.victim.waitToDispose):
                     self.victim.isWorkingOnTheLastBeforeOffShift=True
                     yield self.victimEndedLastProcessing