handle the requested runways in the optimization

aman/sys/aco/RunwayManager.py

@@ -118,10 +118,13 @@ class RunwayManager:
     def selectArrivalRunway(self, node : Node, earliestArrivalTime : datetime):
         availableRunways = self.Configuration.RunwayConstraints.ActiveArrivalRunways
 
-        if True == self.Configuration.RunwayConstraints.UseShallShouldMay:
+        if True == self.Configuration.RunwayConstraints.UseShallShouldMay and None == node.Inbound.RequestedRunway:
             availableRunways = self.executeShallShouldMayAssignment(node, earliestArrivalTime)
-        else:
-            availableRunways = self.Configuration.RunwayConstraints.ActiveArrivalRunways
+        elif None != node.Inbound.RequestedRunway:
+            for runway in availableRunways:
+                if node.Inbound.RequestedRunway == runway.Runway.Name:
+                    availableRunways = [ runway ]
+                    break
 
         if 0 == len(availableRunways):
             runway = self.Configuration.RunwayConstraints.ActiveArrivalRunways[0]