from ardi.driver import histdriverbase

class MyDriver:

   def __init__(self):

   def SetAddress(self,addr):
      pass

   def Connect(self):
      return True
      
   def Disconnect(self):
      pass
      
  def RunQuery(self, points, start,end,function,grain,first):
      pass
      
class driverfactory:
    def createinstance(self):
        return MyDriver()
            
if __name__ == "__main__":
    sdf = driverfactory()
    base = histdriverbase.historian()
    base.start(sdf)