many objects set to update the flags at correct place

dream/simulation/BatchDecomposition.py

@@ -86,12 +86,10 @@ class BatchDecomposition(CoreObject):
         self.initialSignalReceiver()
         while 1:
             # wait for an event or an interruption               
-            
+            while 1:
                 self.expectedSignals['isRequested']=1
                 self.expectedSignals['interruptionStart']=1
                 self.expectedSignals['initialWIP']=1
-            
-            while 1:
                 receivedEvent=yield self.env.any_of([self.isRequested , self.interruptionStart , self.initialWIP])
                 # if an interruption has occurred 
                 if self.interruptionStart in receivedEvent:
@@ -145,8 +143,6 @@ class BatchDecomposition(CoreObject):
             # reset the variable
             self.isProcessingInitialWIP=False
                       
-            self.expectedSignals['canDispose']=1
-            
             # TODO: add failure control
             # as long as there are sub-Batches in the internal Resource
             numberOfSubBatches=int(len(self.getActiveObjectQueue()))
@@ -161,6 +157,7 @@ class BatchDecomposition(CoreObject):
                     if not signaling:
                         # if there was no success wait till the receiver is available
                         while 1:
+                            self.expectedSignals['canDispose']=1
                             yield self.canDispose
                             transmitter, eventTime=self.canDispose.value
                             self.canDispose=self.env.event()
@@ -182,6 +179,7 @@ class BatchDecomposition(CoreObject):
                 #     we know that the receiver is occupied with the previous sub-batch
                 else:
                     while 1:
+                        self.expectedSignals['canDispose']=1
                         yield self.canDispose
                         transmitter, eventTime=self.canDispose.value
                         self.canDispose=self.env.event()

dream/simulation/BatchReassembly.py

@@ -82,12 +82,10 @@ class BatchReassembly(CoreObject):
         # check if there is WIP and signal receiver
         self.initialSignalReceiver()
         while 1:           
-            
+            while 1:
                 self.expectedSignals['isRequested']=1
                 self.expectedSignals['interruptionStart']=1
                 self.expectedSignals['initialWIP']=1
-            
-            while 1:
                 receivedEvent=yield self.env.any_of([self.isRequested , self.interruptionStart , self.initialWIP])
                 if self.interruptionStart in receivedEvent:
                     transmitter, eventTime=self.interruptionStart.value
@@ -141,15 +139,14 @@ class BatchReassembly(CoreObject):
                 self.isProcessingInitialWIP=False
                 # signal the receiver that the activeObject has something to dispose of
                    
-                self.expectedSignals['interruptionStart']=1
-                self.expectedSignals['canDispose']=1
-                
                 if not self.signalReceiver():
                 # if there was no available receiver, get into blocking control
                     while 1:
     #                     self.timeLastBlockageStarted=self.env.now       # blockage is starting
                         # wait the event canDispose, this means that the station can deliver the item to successor
                         self.printTrace(self.id, waitEvent='(canDispose or interruption start)')
+                        self.expectedSignals['interruptionStart']=1
+                        self.expectedSignals['canDispose']=1
                         receivedEvent=yield self.env.any_of([self.canDispose , self.interruptionStart])
                         # if there was interruption
                         # TODO not good implementation

dream/simulation/CapacityStationController.py

@@ -65,6 +65,7 @@ class CapacityStationController(EventGenerator):
                     if exit.expectedSignals['isRequested']:
                         succeedTuple=(station,self.env.now)
                         exit.isRequested.succeed(succeedTuple)         # send is requested to station
+                        exit.expectedSignals['isRequested']=0
                 # wait until the entity is removed
                 station.waitEntityRemoval=True
                 
@@ -125,6 +126,7 @@ class CapacityStationController(EventGenerator):
                 if station.expectedSignals['isRequested']:
                     succeedTuple=(buffer,self.env.now)
                     station.isRequested.succeed(succeedTuple)         # send is requested to station
+                    station.expectedSignals['isRequested']=0
                 # wait until the entity is removed
                 buffer.waitEntityRemoval=True
                 

dream/simulation/Conveyer.py

@@ -543,6 +543,6 @@ class ConveyerMover(object):
             if self.conveyer.expectedSignals['moveEnd']:
                 succeedTuple=(self,self.env.now)
                 self.conveyer.moveEnd.succeed(succeedTuple)     # send a signal to the conveyer that the move has ended
-            
+                self.conveyer.expectedSignals['moveEnd']=0
 
     

dream/simulation/CoreObject.py

@@ -298,11 +298,13 @@ class CoreObject(ManPyObject):
                 self.printTrace(self.id, signal='(removedEntity)')
                 succeedTuple=(self,self.env.now)
                 self.entityRemoved.succeed(succeedTuple)
+                self.expectedSignals['entityRemoved']=0
         elif self.waitEntityRemoval and self.expectedSignals['entityRemoved']:
 #             print self.id,'not triggered and waiting'
             self.printTrace(self.id, signal='(removedEntity)')
             succeedTuple=(self,self.env.now)
             self.entityRemoved.succeed(succeedTuple)
+            self.expectedSignals['entityRemoved']=0
         elif not self.waitEntityRemoval and not self.expectedSignals['entityRemoved']:
 #             print self.id,'not triggered but not waiting'
             pass
@@ -566,6 +568,7 @@ class CoreObject(ManPyObject):
                 self.printTrace(self.id, signalGiver=self.giver.id)
                 succeedTuple=(self,self.env.now)
                 self.giver.canDispose.succeed(succeedTuple)
+                self.giver.expectedSignals['canDispose']=0
             return True
         return False
     

dream/simulation/Exit.py

@@ -70,6 +70,7 @@ class Exit(CoreObject):
     def run(self):
         while 1:
             # wait until the Queue can accept an entity and one predecessor requests it
+            self.expectedSignals['isRequested']=1
             yield self.isRequested
             self.isRequested=self.env.event()
             # TODO: insert extra controls to check whether the self.giver attribute is correctly updated

dream/simulation/Machine.py

@@ -733,10 +733,9 @@ class Machine(CoreObject):
             if not self.signalReceiver():
             # if there was no available receiver, get into blocking control
                                 
+                while 1:
                     self.expectedSignals['interruptionStart']=1
                     self.expectedSignals['canDispose']=1
-                                
-                while 1:
                     self.timeLastBlockageStarted=self.env.now       # blockage is starting
                     # wait the event canDispose, this means that the station can deliver the item to successor
                     self.printTrace(self.id, waitEvent='(canDispose or interruption start)')

dream/simulation/Queue.py

@@ -102,6 +102,9 @@ class Queue(CoreObject):
         while 1:
             self.printTrace(self.id, waitEvent='')
             # wait until the Queue can accept an entity and one predecessor requests it
+            self.expectedSignals['canDispose']=1
+            self.expectedSignals['isRequested']=1
+            self.expectedSignals['loadOperatorAvailable']=1
             receivedEvent=yield self.isRequested | self.canDispose | self.loadOperatorAvailable
             self.printTrace(self.id, received='')
             # if the event that activated the thread is isRequested then getEntity

dream/simulation/Source.py

@@ -140,6 +140,9 @@ class Source(CoreObject):
         activeObjectQueue=self.getActiveObjectQueue()
         while 1:
             # wait for any event (entity creation or request for disposal of entity)
+            self.expectedSignals['canDispose']=1
+            self.expectedSignals['entityCreated']=1
+            self.expectedSignals['loadOperatorAvailable']=1
             receivedEvent=yield self.entityCreated | self.canDispose | self.loadOperatorAvailable
             self.printTrace(self.id, received='')
             # if an entity is created try to signal the receiver and continue