public GraphicExpression generateStaticPrimaryExpression(
     Expression expression, String type, String name) {
   PrimaryGraphicExpression graphicExpression =
       new PrimaryGraphicExpression(expression, tower, false);
   graphicExpression.setExpression(name);
   return graphicExpression;
 }
 @Override
 public Object generatePrimaryExpression(Expression expression, String type, String name) {
   PrimaryGraphicExpression graphicExpression = new PrimaryGraphicExpression(expression, tower);
   graphicExpression.setExpression(name);
   return graphicExpression;
 }