text: '''
  Created on Apr 5, 2011
  
  @author: michel
  '''
  
  from FeatureServer.WebFeatureService.FilterEncoding.ComparisonOperators.ComparisonOperator import ComparisonOperator
  
  class PropertyIsBetween(ComparisonOperator):
      def getLiteral(self):
          return ""
      def getLowerBoundary(self):
          return str(self.node.LowerBoundary.Literal)
      def getUpperBoundary(self):
          return str(self.node.UpperBoundary.Literal)
      