checkIfResourceCanPreempt() removed as not used any more

dream/simulation/ObjectResource.py

@@ -52,13 +52,6 @@ class ObjectResource(object):
     def checkIfResourceIsAvailable(self,callerObject=None): 
         return len(self.Res.activeQ)<self.capacity   
     
-    # =======================================================================
-    # Check if Operator Can perform a preemption
-    # =======================================================================
-    def checkIfResourceCanPreempt(self,callerObject=None):
-        # TODO: each resource will return according to its availability for preemption
-        return False
-    
     # =======================================================================
     #              actions to be taken after the simulation ends
     # =======================================================================

dream/simulation/OperatorPool.py

@@ -96,23 +96,7 @@ class OperatorPool(ObjectResource):
     #                  checks if there are operators available
     # =======================================================================       
     def checkIfResourceIsAvailable(self): 
-        # TODO: to discuss with George if using a callerObject is the proper way to inform the OperatorPreemptive
-        #     about the object that is requesting to know about its availability
-        # TODO: first check if there is any free operator, then check if the requesting entity is critical and preempt
-        # if callerOjbect is None then the checkIfResourceIsAvailable performs the default behaviour
-        #     so initially it checks whether there is a free operator 
-        isAvailable = any(operator.checkIfResourceIsAvailable()==True for operator in self.operators)
-        if isAvailable:
-            return True
-        return self.checkIfResourceCanPreempt()
-#         # if there is no free operator, then check if any of the operators can preempt
-#         return any(operator.checkIfResourceIsAvailable(callerObject=self)==True for operator in self.operators)
-    
-    # =======================================================================
-    #              checks if there are operators that can preempt
-    # =======================================================================
-    def checkIfResourceCanPreempt(self):
-        return any(x for x in self.operators if x.checkIfResourceCanPreempt(callerObject=self))
+        return any(operator.checkIfResourceIsAvailable()==True for operator in self.operators)
     
     # =======================================================================
     #              find the first available operator and return it
@@ -120,11 +104,7 @@ class OperatorPool(ObjectResource):
     def findAvailableOperator(self):            # may need to implement different sorting of the operators
         # find the free operator if any
         freeOperator = next(x for x in self.operators if x.checkIfResourceIsAvailable())
-#         if freeOperator:
-#             return freeOperator
         return freeOperator
-#         # if there is no free operator, return the operator that can preempt
-#         return next(x for x in self.operators if x.checkIfResourceIsAvailable(callerObject=self))
         
     # =======================================================================
     #                           returns the resource