CapacityStationExit only to output if it is the final one

dream/simulation/CapacityStationExit.py

@@ -64,3 +64,12 @@ class CapacityStationExit(Exit):
         if self.isLocked:
             return False
         return Exit.canAccept(self)
+    
+    # =======================================================================    
+    # outputs results to JSON File
+    # =======================================================================
+    def outputResultsJSON(self):
+        # output results only for the last exit
+        if not self.nextCapacityStationBuffer:
+            Exit.outputResultsJSON(self)
+        
\ No newline at end of file