code: public XObject execute(XPathContext xctxt)
            throws javax.xml.transform.TransformerException
    {
  
      if (xctxt.getIteratorRoot() == xctxt.getCurrentNode())
        return getStaticScore();
      else
        return this.SCORE_NONE;
    }
docs: Execute this pattern step, including predicates.
  
  
  @param xctxt XPath runtime context.
  
  @return {@link org.apache.xpath.patterns.NodeTest#SCORE_NODETEST},
  {@link org.apache.xpath.patterns.NodeTest#SCORE_NONE},
  {@link org.apache.xpath.patterns.NodeTest#SCORE_NSWILD},
  {@link org.apache.xpath.patterns.NodeTest#SCORE_QNAME}, or
  {@link org.apache.xpath.patterns.NodeTest#SCORE_OTHER}.
  
  @throws javax.xml.transform.TransformerException